Wednesday, May 13, 2020

Analysis Of David Ogilvy s The Consumer Isn t A Moron

Professional Advertiser - David Ogilvy â€Å"The consumer isn t a moron. She is your wife.† A strongly worded quote from David Ogilvy highlights the importance of the relationship and connection necessary between and advertiser and his or her consumer. Ogilvy, like many others, started from the bottom and worked tirelessly to the top. Born in Oxford, England on June 23, 1911, David would live the next twenty seven years in and around his hometown. David studied at two different colleges and ended up graduating from neither Fettes College nor Christ Church. Going nowhere fast, David began a career working in a kitchen. Not long into his career there did he realize the job description did not match his big ideas for what his life was supposed to be like. David spoke the following words about his kitchen work: â€Å"If I stayed at the Majestic I would have faced years of slave wages, fiendish pressure, and perpetual exhaustion.† Quitting this career opened the door for his big change in the advertising world. (David Ogilvy Biography | Ogilvy Mather) Ogilvy began selling stoves to everyone. Nothing out of the ordinary or overpriced expensive appliances, but a simple generic cooking stove became David’s first encounter with consumers face to face. David took this door to door work very seriously and became one with his clientele. He never limited himself when the sale came down to a consumer. Whether the consumer was a religious service member or a single mother, David spread his

Wednesday, May 6, 2020

Case Study of Lipids Free Essays

Lipid Panels Case Study Subject #1 This fifty year old man that has no apparent health problems has a low ‘HDL’ of 30mg/dl. That’s not a good thing because he’ll be more likely to develop heart disease or have a heart attack/stroke. Anything over 60mg/dl is considered to be optimal. We will write a custom essay sample on Case Study of Lipids or any similar topic only for you Order Now He is border line high for LDL’s of 160mg/dl, the ideal number is 100mg/dl or lower. That number tells me he is at greater risk to heart disease and/or heart attack. Better diet and exercise would help him tremendously. He is also in the high range for triglycerides at 300mg/dl, considering anything under 150mg/dl is normal. He is at risk for high blood pressure and diabetes to name a couple things. Staying away from cigarettes, eating the right foods, and exercise would be ideal. After 150-199mg/dl it just goes to borderline, then high levels 200-499mg/dl, and then very high levels 500mg/dl or higher. Subject #2 Is a forty five year-old sedentary women who is 5’9† tall and weighs 170 pounds, with a history of hypertension. She has a ‘HDL’ level of 40mg/dl which is not very good it should be at or above 60mg/dl. She has a ‘LDL’ of 140mg/dl that is borderline high and her triglyceride level is at 250mg/dl which is high. She is high risk for heart disease, heart attack, stroke, obesity, and is at risk for metabolic syndrome. These can be greatly reduced by exercising 30 min a day for 4 days, eating healthier foods such as oily fish, fruits, and veggies. Subject #3 Is a sixty year-old sedentary who stands 5’9† tall and his weight is 230lbs. He has an ‘HDL’ level of 25mg/dl and that is low, it should be 60mg/dl or higher. Unfortunately a low (High-Density Lipoprotein) or ‘LDL’ puts you at risk of a heart attack, heart disease, or stroke. Eating less animal and partially hydrogenated fats along with exercise can help. This man has a (Low-Density Lipoprotein) or ‘LDL’ at 250mg/dl which is extremely high. He needs to try and eat more healthy foods like oily fish, veggies, fruits, whole-grains, high-fiber foods, and exercise as much as he can to try and bring that number down. Otherwise he will be more likely to develop heart diseases, stroke or a number of the bad things. And his Triglyceride level was at 115mg/dl, which is pretty good or normal I should say. High triglyceride levels could increase the risk of heart disease and might be a sign of metabolic syndrome. Resources http://circ. ahajournals. org/cgi/content/full/114/1/82 http://americanheart. org/ How to cite Case Study of Lipids, Free Case study samples

Monday, May 4, 2020

Meaning of Ceteris Paribus free essay sample

In economics and finance,  the term is used as shorthand for indicating the effect of one economic variable on another, holding constant all other variables that may affect the second variable One of the disciplines in which ceteris paribus clauses are most widely used is economics, in which they are employed to simplify the formulation and description of economic outcomes. When using ceteris paribus in economics, assume all other variables except those under immediate consideration are held constant, . In effect all extra variables remain unchanged and there are no outside influences on the variables being looked at. The only variables being considered are price and demand. It does not take into account any other things, such as inflation, product improvements, etc. This allows for the explanation, examination and understanding of basic economic rules. This operational description intentionally ignores both known and unknown factors that may also influence the relationship between price and quantity demanded, and thus to assume ceteris paribus is to assume away any interference with the given example. We will write a custom essay sample on Meaning of Ceteris Paribus or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page Such factors that would be intentionally ignored include: the relative change in price of substitute goods, (e. g. , the price of beef vs pork or lamb); the level of risk aversion among buyers (e. g. , fear of mad cow disease); and the level of overall demand for a good regardless of its current price level (e. g. a societal shift toward vegetarianism) In this example, the clause is used to operationally describe everything surrounding the relationship between both the price and the quantity demanded of an ordinary good. when  discussing the laws of supply and demand, one could say that  if demand for a given product outweighs supply, ceteris paribus, prices will rise. Here, the use of ceteris paribus is simply saying that as long as all other factors that could affect the outcome (such as  the existence of a substitute product) remain constant, prices will increase in this situation. For example as the price of Pepsi cola rises, the quantity demanded of Pepsi cola falls, ceteris paribus. If the price raise of Pepsi-cola and nothing else changes, in other words, people’s preferences stay the same, the recipe for Pepsi-cola stays the same, and so on, then in response to the higher price of Pepsi-cola, people will buy less Pepsi-cola. In a nutshell the term ceteris paribus is used to define the law of demand and supply and it literally means all other things remain constant and nothing else changes. Meaning of Ceteris Paribus free essay sample In economics and finance,  the term is used as shorthand for indicating the effect of one economic variable on another, holding constant all other variables that may affect the second variable One of the disciplines in which ceteris paribus clauses are most widely used is economics, in which they are employed to simplify the formulation and description of economic outcomes. When using ceteris paribus in economics, assume all other variables except those under immediate consideration are held constant, . In effect all extra variables remain unchanged and there are no outside influences on the variables being looked at. The only variables being considered are price and demand. It does not take into account any other things, such as inflation, product improvements, etc. This allows for the explanation, examination and understanding of basic economic rules. This operational description intentionally ignores both known and unknown factors that may also influence the relationship between price and quantity demanded, and thus to assume ceteris paribus is to assume away any interference with the given example. We will write a custom essay sample on Meaning of Ceteris Paribus or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page Such factors that would be intentionally ignored include: the relative change in price of substitute goods, (e. g. , the price of beef vs pork or lamb); the level of risk aversion among buyers (e. g. , fear of mad cow disease); and the level of overall demand for a good regardless of its current price level (e. g. a societal shift toward vegetarianism) In this example, the clause is used to operationally describe everything surrounding the relationship between both the price and the quantity demanded of an ordinary good. when  discussing the laws of supply and demand, one could say that  if demand for a given product outweighs supply, ceteris paribus, prices will rise. Here, the use of ceteris paribus is simply saying that as long as all other factors that could affect the outcome (such as  the existence of a substitute product) remain constant, prices will increase in this situation. For example as the price of Pepsi cola rises, the quantity demanded of Pepsi cola falls, ceteris paribus. If the price raise of Pepsi-cola and nothing else changes, in other words, people’s preferences stay the same, the recipe for Pepsi-cola stays the same, and so on, then in response to the higher price of Pepsi-cola, people will buy less Pepsi-cola. In a nutshell the term ceteris paribus is used to define the law of demand and supply and it literally means all other things remain constant and nothing else changes.

Friday, March 27, 2020

Smart Materials in Aerospace Industry free essay sample

Within each subsection, we will draw a relationship between the properties of the smart material and its molecular mechanism. This is followed by presenting an outline of their recent and future applications, and the experimental procedures and results done in recent researches to show the feasibility of these applications. In the Discussion section, we will be delving into the cost-effectiveness and feasibility of using smart materials in aerospace components. Finally, the conclusion will give an insight into the relationship between the use of smart materials and the design of future aircrafts. 1. Introduction Smart materials are defined as materials that can significantly change their intrinsic properties (mechanical, thermal, optical or electromagnetic), in a predictable and controlled manner in response to their environmental stimulus[1]. In general, these materials can be categorized into 3 categories, namely thermal-to-mechanical (shape memory alloys), electrical-to-mechanical (piezoelectric), and magnetic-to-mechanical (magnetostrictive). Materials engineering has undergone a major transformation in the recent decade, as atoms and molecules are no longer viewed and worked upon on the microscopic level, but now on the nanometer level. We will write a custom essay sample on Smart Materials in Aerospace Industry or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page Materials requirements are becoming more complex, especially in the aerospace industry in which safety and cost-effectiveness often conflict against each other. It is no longer acceptable for materials to have a single function; they need to be multifunctional to save costs and weight. Smart materials are now replacing monolithic ones to achieve multiple functions at all scale levels. Hence, smart materials are essentially integrated into the use of aerospace components. What differentiates smart materials from normal monolithic ones? Smart materials exhibit characteristics which most scientists would term as ‘intelligence’. This includes immediacy (the ability to respond in real time); transiency (the ability to respond to more than one environmental states); self-actuation (inherent intelligence within material); selectivity (having a discrete and predictable response); and lastly, directness (response is local to the ‘activating’ event)[2]. The performance characteristics of aircrafts are often limited by properties of materials used in both the airframe and propulsion systems. With the recent advancement of materials technology, high performance materials are created, resulting in a breakthrough in the performance and efficiency of modern aircrafts. The discovery of smart materials provides cost-effective and innovative solutions to the limitations currently faced in the design of aircrafts. These smart materials perform specialized functions when exposed to external stimuli, and they are increasingly being used to replace conventional aircraft parts for better performance. In this report, we shall look at the current and future use of these smart materials in the aerospace industry. 1. Purpose The purpose of this report is to introduce the different types of smart materials and their applications in the aerospace industry. Recent and emerging uses of these smart materials will also be presented, with brief experimental procedures and results obtained from recent researches and experiments to show the feasibility in aerospace applications. 1. 2 Background Smart material transformation was first observed on gold-cadmium, and recorded in 1932. Five year later, in 1938, the same phase transformation was observed in brass. In 1962, Beehler and coworkers discovered the shape memory effects of Nickel-Titanium alloy, and they named this family of alloy as Nitinol. The discovery of Nitinol ignites the discovery of other alloy systems with shape memory effect, and also accelerates the use of smart materials in product development. [3] Since then, aerospace companies are also exploring the use of smart materials in aircraft components. Conventional automatic control systems which use servo-valve or hydraulic actuators face a lot of limitations. These limitations include multiple energy conversions, complexity due to large number of parts resulting in large number of potential failure sites and large weight penalty, high vulnerability of hydraulic network, and frequency limitation. In contrast, the advantages from the use of smart materials actuators include the direct conversion of electrical energy to high frequency linear motion, easier transmission of electrical energy throughout aircraft, and light and compact smart materials induced-strain actuation in place of bulky hydraulic power systems. With this huge potential offered by smart materials, researchers are eager to tap on this potential, by exploring on ways to implement these smart materials into aircraft components. 1. 3 Scope This report will present the 4 common types of smart materials that are popular in the market. A brief description will be made with regards to the mechanism of how the smart materials function. The properties of the smart materials will then be related to their current and future aerospace application. This is followed by the detailed outline of the experimental procedures undertaken by past researches, as well as results obtained which prove the feasibility of using these smart materials for the aerospace applications. Finally, discussions will be made on the viability of the use of smart materials in the aerospace industry, in terms of safety, cost feasibility and future trends. . Types and Applications of Smart Materials 1. Piezoelectric Material Piezoelectricity is the generation of electrical potential in a material in response to a mechanical stress. This is known as the direct effect. It can also mean mechanical deformation upon the application of electrical charge or signal (Harrison JS and Ounaies Z, 2001). In this case, the material can serve as a sensor to detect m echanical stress. In addition, the materials can serve as an actuator when there’s a large increase of size due to electrical stimuli. The two types of piezoelectric materials that are used as smart materials are piezoelectric ceramic and polymer. Properties Piezoelectric materials are widely used as they possess favorable properties such as fast electromechanical response, wide bandwidth, high generative force and relatively low power requirements (Harrison JS and Ounaies Z, 2001). In addition, piezoelectric polymers are flexible, lightweight, and have low acoustic and mechanical impedance, while piezoelectric ceramics are brittle, heavy and toxic. Mechanism Piezoelectric effect is formed in crystals that have no centre of symmetry. One end of the molecule is more negatively charged while the other end is more positively charged, hence a dipole moment exists within the molecule. This is due to both the atomic configuration of the molecule, and also the molecular shape. Polar axis is the imaginary line that runs through the centre of both charges on the molecule. The orientation of the polar axis determines the type of crystal. For monocrystal, all the molecules’ polar axes are oriented in the same direction (Figure 2. 1. 1), while for polycrystal, the polar axes of molecules are oriented in different direction (Figure 2. . 2) [pic][pic] Figure 2. 1. 1 Figure 2. 1. 2 To create the piezoelectric effect, polycrystal is heated under the application of a strong electric field. The high temperature increases the rate of self-diffusion among the molecules, while the strong electric field forces almost all of the dipoles to orient in nearly the same direction (Figure 2. 1. 3) [pic] Figure 2. 1. 3 Piezoelectric ef fect can now be observed in the crystal (Figure 2. 1. 4). Figure (a) shows the piezoelectric material in its neutral state. When the material is compressed, a voltage of the same polarity as the resultant dipole moment will appear between the electrodes (Figure (b)). Conversely, the voltage will be of opposite polarity when the material is expanded (Figure (c)). Similarly, a voltage applied that is opposite to the poling voltage will cause the material to expand(Figure (d)), while an applied voltage of the same polarity will cause the material to be compressed (Figure (e)). If an alternating voltage is applied across the material, the material will vibrate with the same frequency as the signal. [pic] Figure 2. 1. 4 Advantages and Disadvantages[4] Advantages |Disadvantages | |Compact and lightweight |Brittle due to crystalline structure | |Displacement proportional to applied voltage |Produce small strains compared to SMA and magnetostrictives | |Operate over large temperature range |Cannot withstand high shear and tension | |Fast response to applied voltage(msec) |Aging of material | |Repeatable sub-nanom eter steps at high frequency |Uses active control, which can result in instability | |No moving parts |Can become depolarized (at high temperature, high voltages and large | |Function at high frequencies |stresses) | |Excellent stability | | |Easily embedded into laminated composites. Aerospace Applications Piezoelectric materials are mainly used in the aerospace industry for shape control and vibration control. †¢ Tail-Buffet Suppression High performance aircrafts with twin vertical tails often face the aeroelastic phenomenon of tail buffeting, in which the unsteady vortices that emanates from the wing leading edge extensions burst and immerse the vertical tails in their wake. This results in severe vertical tail response and buffet loads, which lowers airframe life and increases maintenance costs. pic][pic] Before the development of piezoelectric actuators, various method of alleviating buffeting was used. One method was the use of hydraulic actuators to superimpose the oscillations of affected control surfaces about their hinges, so as to effect damping. However, this method has two disadvantages. Firstly, the flight control system and buffeting-minimization system must use the same degree of freedom for the same control surface, thus reducing the availabi lity of the control surface for each role. Secondly, operations are limited to low frequencies due to the difficulty of oscillation a large control surface about its hinges. Experiment The Technical Cooperation Program (TTCP) collaborated with National Research Council Canada (NRC) and Department of Defense of Canada (DND) in researching about the feasibility of using piezoelectric actuators for tail buffet suppression on a full-scale F/A-18. The full-scale aircraft was tested in the International Follow-On Structural Test (IFOST) Program rig in Australia (Yousefi-Koma A Zimcik DG 2003). The procedures for the experiment are as follow: †¢ The starboard fin of the aircraft was instrumented with piezoelectric actuators over a wide area on both sides of the fin, as shown in Figure 2. 1. 5. [pic] Figure 2. 1. 5 †¢ Accelerometers and strain gauges are placed strategically to measure displacements, and hence calculate the vibration amplitude. †¢ Electrodynamic shakers are attached to the fin to induce structural vibration. These shakers are controlled by the test rig control system to model actual flight structural loads. †¢ In the experiment, four custom-made high-power amplifiers of 2kVA rating over 200Hz bandwidth were used. Results Conclusion The experimental results have shown that the active control system using piezoelectric actuators was able to effectively suppress the buffet response of the vertical fin at high angle of attack. Amplitude reductions of up to 60% at the normal flight configuration and close to 10% in the worst case scenario were observed (Yousefi-Koma A Zimcik DG 2003). It was estimated even a small 10% reduction in vibration amplitude would double the durability of the fin. Hence, it can be concluded that with the use of piezoelectric actuators in active-control surface modal (ACSM) device to deform the control surface, the control surface not only can respond to buffeting-minimization signals, but also flight control commands. †¢ Wing Flutter Damping When a structure is placed in a flow of sufficiently high velocity, an aeroelastic self-excited vibration takes place, which has a sustained or divergent amplitude. This results in dynamic instability that can get violent. This is because at high speed, the effect of the airstream can cause the coupling of two or more vibration modes such that the vibrating structure will extract energy from the airstream. The extracted energy equals the amount of energy that the structure can dissipate at the critical speed, and a neutrally stable vibration exists. However, above this critical speed, the vibration amplitude will diverge, causing structural failure. Experiment and Result The Piezoelectric Aeroelastic Response Tailoring Investigation was conducted at MIT with the support of NASA, and it aims to achieve the following objectives: determining the power consumption of the piezoelectric actuators while controlling the response of the structure; investigating optimal piezoelectric actuator placement; and, testing disturbance rejection controllers at zero airspeed (Anna-Maria Rivas McGowan). The major components of the 4-feet test model, as shown in Figure 2. 1. , consist of two primary structures: an exterior fiberglass shell, which is used to obtain aerodynamic lift; an interior composite plate that contains the piezoelectric actuators, and is made up of an aluminium honeycomb core sandwiche d by graphite epoxy plates. The plates are of [20 °2/0 °]s laminate, referenced to the wings quarter-chord which is swept 30 °, and this provides a static coupling of the bending and torsional behaviour. Fifteen groups of piezoceramic actuators patches are placed at the top and bottom of the interior plate, and they are configured to impart moments to the plate. Together with the orientation of the graphite epoxy and the wing sweep angle, the actuators can affect bending and torsional vibration of the model. Forces on the model were monitored using ten strain gauges and four accelerometers. To acquire time history data, each of the 15 piezoelectric actuator groups was activated individually, as well as in five sets of several actuator groups. The experimental results is shown in the graphs in Figure 2. 1. 7. In summary, it shows that the control system can effect successful flutter suppression and gust reduction in the model, with a 12% increase in flutter damping and 75% decrease in root-bending moment caused by gusts. This clearly shows the potential of the use of piezoelectric actuators in suppressing the detrimental effects of wing flutter. Rotor Blade Twist Outboard portion of the blade travel faster, and with the same lift coefficient, higher lift force is concentrated near the blade tip. To distribute the lift force evenly among the blades, the angle of attack is made to be lower near the blade tip, and higher near the blade root, such that the lift coefficient decreases with increasing distance from the blade root. This can be done by induced blade twisting, through the embedment of piezoelectric materials into the blade skin. Active fibre composites (AFC) are actually used, which consists of continuous, aligned PZT fibres in an epoxy layer (Figure 2. 1. ), and copper electrode films that are etched into an inter-digitated pattern to effect the electric field along the fibre direction, as shown in Figure 2. 1. 9 (Rodgers and Hagood, 1998). [pic][pic] Figure 2. 1. 8 Figure 2. 1. 9 Experiment Active Fiber Composite (AFC) was fitted into the construction of a 1/6th scale replicate of CH-47D blade model (60. 619in span and 5. 388in chord). The blade was sent for wind tunnel testing at Boeing Helicopters, PA. Three AFC plies were diagonally placed in the co-cured D-spar blade lay-up. When the fibres are activated, it causes a shear in the spar skin, which creates the blade twist effect.

Saturday, March 7, 2020

Different Types Of Sharks Essays - Carcharhinidae, Sharks

Different Types Of Sharks Essays - Carcharhinidae, Sharks Different Types Of Sharks INTRODUCTION Although sharks belong to the class Chondrichtyes, there are many different types. Sharks arose about 350 million years ago and have remained virtually unchanged for the past 70 million years and still comprise a dominant group. It is thought that sharks almost certainly evolved from placoderms, a group of primitive jawed fishes. It took a long series of successful and unsuccessful mutations with fin, jaw positions etc to give us all the different designs of sharks around today. When asked to draw a shark, most people would draw a shape along the lines of the whaler shark family, tigers or a mackeral shark such as a porbeagle. However many people do not realize the sheer diversity in the shape of sharks, or that rays are really sharks. Seldom does such an animal inspire such a variety of emotions reflecting a mixture of fascination, awe and fear. Sharks have occasionally exacted a terrible price from humans who have trespassed on their territory. No better understood than the ocean that they inhabit, these creatures should be regarded in the same way as lions, tigers, and bears: as dangerous, predatory but nonetheless magnificent animals. Different Types of Sharks Living sharks are divided into eight major orders, each easily recognizable by certain external characteristics. Each order contains one or more smaller groups, or families. In all there are 30 families of sharks and they contain the 350 or more different kinds or species of sharks. The eight major orders of sharks include the Squantiformes, Pristiophormes, Squaliformes, Hexanchiformes, Carcharhiniformes, Lamniformes, Orectolobiformes, and the Heterodotiformes. The orders have distinguishing characteristics that fit in each. The Squantiformes normally have flat bodies that are ray-like with mottled dorsal surfaces. These sharks have a short terminal mouth, which is armed with small impaling teeth. They also have a caudal fin, which has a lower lobe that is longer than the upper lobe. Their pectoral fins extend forward over the ventrally directed gills. The Pristiophormes have more of an elongated snout, which is saw-like and edged with slender, needle-sharp lateral teeth. They have two dorsal fins and no anal fin. They use short transverse mouths and small cuspidate holding teeth in both jaws. Squaliformes have no anal fin as well, but their snout is not elongated, but is somewhat long. Many have powerful cutting teeth in both jaws. In some species these razor sharp teeth are in the lower jaw only and the upper teeth serve to hold the food. Hexanchiformes have six or seven gill slits. They are sharks with a single spineless dorsal fin, and an anal fin. The typical Carcharhiniforme has an elongated snout, a long mouth that reaches behind the eyes, an anal fin and two spineless dorsal fins. The eyes have movable, nictitating lower eyelids worked by unique muscles. Teeth vary from small and cuspidate or flattened to large and bladelike. Carcharhiniformes have no enlarged rear crushing teeth. Along with this they have a spiral scroll intestinal valve. A Lamniforme shark has an elongated snout. Most have long mouths that reach behind the eyes, an anal fin and two spineless dorsal fins. They also have a ring intestinal valve. The Orectolobiformes have pig-like snouts and short mouths that in most species are connected to the nostrils by grooves. There is an anal fin but no fin spines on the two dorsal fins. They have uniquely formed barbells at the inside edges of the nostrils. Heterodotiformes are the only living shark that combines fin spines on their two dorsal fins and anal fin. They only have five-gill slits. In each order there are specific types of sharks. Each shark belongs to a family with different species. The Angel shark (Squantiforme) is just one of the many. It has a single family of about thirteen species. They are all ovoviviparous livebearers and most do not exceed 1.5 meters. Saw sharks (Pristiophoriformes) are harmless bottom sharks. They are also a single family but with five species. They are also ovoviviparous livebearers. Four sharks that belong to the order Sqauliforme are the Bramble, Dogfish, and Rough sharks. They have three families with eighty-two species. They too, are ovoviviparous livebearers. They have more cylindrical bodies. Frilled sharks, Six, and Seven gill sharks (Hexanchiformes) have two

Wednesday, February 19, 2020

How to Manage the Risk Essay Example | Topics and Well Written Essays - 1250 words - 2

How to Manage the Risk - Essay Example The major purpose of the bank is to support the favorable economic conditions which will help to stabilize the monetary policy of USA. This factor includes price stabilization, money supply, acquisition of credit and increase in overall growth and employment. As a central bank, it also needs to monitor and supervise the operations of other commercial banks to make sure the safety and security and to protect the interest of the customers. The most important enforcement capability of Federal Reserve is that it controls inflation and generates employment opportunities in the United States. It also helps the US govt. and other financial institutions in the US in their operations. There are mainly three types of tools used by Federal Reserve Bank to implement the monetary policy- Open Market Operations, Discount Rate, Reserve Requirement. Monetary policy is set by basically raising or declining the discount rate that is charged to banks for interbank lending of surplus reserves. This rate is decided by the interbank market but FED also influences that by usage of three tools that are mentioned above. Consequences of Federal Reserve are that Federal funds rate actually affects the long-term interest rates in the economy. Fed is able to keep monetary and financial conditions stable with its monetary policy. Fed can also make policies that will help to add more reserves to the banks which will encourage the lending of low-interest rates thus influencing the growth of money and credit in the economy.... This will leverage the returns. But as the economy goes downwards, assets prices also tend to go downward and it magnifies the loss. Same was happened in the case of Lehman Brothers. They invested in Mortgage backed securities and when the housing price bubble started to default the investments became illiquid. Assume that a well managed retail bank might have a leverage of 12 times which means for every 1 pound it can lend 12 pound. But in the year 2004, Lehman had a leverage of 20 and then it increased to 44 in 2007. But then the assets prices had started to move downside. The situation had become like with 10000 pound someone was buying a property using 440000 pound mortgage and the borrower of the bank became insolvent and thus the bank. Inconsistent management decisions are responsible for it. Management should have thought again before investing in subprime mortgages. Liquidity Businesses mainly fail not because of lack of profits, but it fails because of liquidity crunch. Lehm an Brothers had its assets and liabilities based on a small amount of liquidity. In other words it didn’t have enough ready cash or liquid assets to face the crisis. When market fell, other commercial banks started to protect own selves by using Lehman’s base of credits. It means that Lehman was losing it liquidity t a very fast pace and by seen that other banks refused to trade with the company and market lost its confidence over the investment bank which was the final nail in the coffin of Lehman. The bank became totally insolvent. Overconfidence of the management that it will earn liquidity in proper time was the most vulnerable decision for the bank. Losses After the devastation of twin towers in USA in 2001, interest rates started to crash

Tuesday, February 4, 2020

Vulnerable Population in the workplace Essay Example | Topics and Well Written Essays - 1500 words

Vulnerable Population in the workplace - Essay Example On the other hand, in their service delivery, psychiatrist nurses experiences some barriers which hinder their services delivery to Alzheimer’s diseases patients. The available barriers in mental healthcare settings magnifies the disorder complications to patients, it hinders access to nurses and other mental health specialists by most patients, increases overreliance on caregivers for assistance and transport, over dependant on entitlement initiatives as well as increasing cognitive impairment (Lyketsos, Toone and Tschanz, 2010). The essay below will focus on the barriers encountered by psychiatrist nurses in their daily activities in psychiatric hospital. The essay will also offer some strategies to decrease or if possible eliminate these barriers. To start with, structural barriers constitute the main hindrance to psychiatric nurses’ quality service delivery. Structural setbacks in most cases influence nurses’ ability to efficiently diagnoses and treat neurops ychiatric complications brought about by Alzheimer’s diseases. Some of the main structural barriers that hamper with service delivery among psychiatric nurses include lack of the required psychiatric and geriatric skills and training as well as inadequate number of trained neuropsychologist and psychiatrist in healthcare systems. The structural barriers are in most cases known to compromise and complicate the care and treatment of Alzheimer’s diseases. Structural barriers in hospital setting have also amplified the burden in families that provide home care services to vulnerable and elderly patients in (Lyketsos, Toone and Tschanz, 2010). Secondly, lack of adequate time, resources, treatment options, and nurses’ abilities to offer comprehensive care to patients has significant negative impact to nurses’ service delivery in mental healthcare systems. The health care system has very limited trained and qualified professionals in psychiatry and referral serv ices. Limited access to qualified psychiatrist nurses and practitioners means that, the available nurses are forced to offer medical care to complicated disorders which are beyond their professional training. Lack of adequate qualified practitioners has also lowered greatly the quality of services offered to patients in healthcare systems. Additionally, patients care is compromised by healthcare setbacks presented in offering the required treatment. Delays in offering apposite services are brought about by inadequate mental healthcare centers which led to delayed access to mental health services. Owing to inadequate number of trained psychiatrists, nurse in most cases are left with no option rather than to offer care to patient before consultation with mental specialist. Other nurses are forced to delay their services to patient which results to complication of the problem (Lyketsos, Toone and Tschanz, 2010). Due to limited available treatment services, nurses also experience brunt of families’ worries and frustration concerning poor services offered by inexperienced practitioners. Limited referral services to intricate disorders have also complicated access to quality services among severely infected patients. Moreover, family perception towards Alzheimer’s diseases symptoms also complicates nurses’ efforts to offer care to Alzheimer’s diseases patients. Access to referral services for medical assistance is extremely a complicated process especially for low income