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Real Business Cycles
Real business-cycle theory (RBC theory) is a class of new classical macroeconomics models in which business-cycle fluctuations are accounted for by real (in contrast to nominal) shocks. Unlike other leading theories of the business cycle, RBC theory sees business cycle fluctuations as the efficient response to exogenous changes in the real economic environment. That is, the level of national output necessarily maximizes ''expected'' utility, and governments should therefore concentrate on long-run structural policy changes and not intervene through discretionary fiscal or monetary policy designed to actively smooth out economic short-term fluctuations. According to RBC theory, business cycles are therefore "real" in that they do not represent a failure of markets to clear but rather reflect the most efficient possible operation of the economy, given the structure of the economy. RBC theory is associated with freshwater economics (the Chicago School of Economics in the neoclas ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
New Classical Macroeconomics
New classical macroeconomics, sometimes simply called new classical economics, is a school of thought in macroeconomics that builds its analysis entirely on a neoclassical economics, neoclassical framework. Specifically, it emphasizes the importance of rigorous foundations based on microeconomics, especially rational expectations. New classical macroeconomics strives to provide neoclassical microeconomic foundations for macroeconomic analysis. This is in contrast with its rival New Keynesian economics, new Keynesian school that uses microfoundations such as Sticky (economics), price stickiness and imperfect competition to generate macroeconomic models similar to earlier, Keynesian ones. History Classical economics is the term used for the first modern school of economics. The publication of Adam Smith's ''The Wealth of Nations'' in 1776 is considered to be the birth of the school. Perhaps the central idea behind it is on the ability of the market to be self-correcting as well a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hodrick–Prescott Filter
The Hodrick–Prescott filter (also known as Hodrick–Prescott decomposition) is a mathematical tool used in macroeconomics, especially in real business cycle theory, to remove the cyclical component of a time series from raw data. It is used to obtain a smoothed-curve representation of a time series, one that is more sensitive to long-term than to short-term fluctuations. The adjustment of the sensitivity of the trend to short-term fluctuations is achieved by modifying a multiplier \lambda. The filter was popularized in the field of economics in the 1990s by economists Robert J. Hodrick and Nobel Memorial Prize winner Edward C. Prescott, though it was first proposed much earlier by E. T. Whittaker in 1923. The equation The reasoning for the methodology uses ideas related to the decomposition of time series. Let y_t\, for t = 1, 2, ..., T\, denote the logarithms of a time series variable. The series y_t\, is made up of a trend component \tau_t, a cyclical component c_t, and an e ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Edward C
Edward is an English given name. It is derived from the Anglo-Saxon name ''Ēadweard'', composed of the elements '' ēad'' "wealth, fortune; prosperous" and '' weard'' "guardian, protector”. History The name Edward was very popular in Anglo-Saxon England, but the rule of the Norman and Plantagenet dynasties had effectively ended its use amongst the upper classes. The popularity of the name was revived when Henry III named his firstborn son, the future Edward I, as part of his efforts to promote a cult around Edward the Confessor, for whom Henry had a deep admiration. Variant forms The name has been adopted in the Iberian peninsula since the 15th century, due to Edward, King of Portugal, whose mother was English. The Spanish/Portuguese forms of the name are Eduardo and Duarte. Other variant forms include French Édouard, Italian Edoardo and Odoardo, German, Dutch, Czech and Romanian Eduard and Scandinavian Edvard. Short forms include Ed, Eddy, Eddie, Ted, Teddy and Ned. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Finn E
The word Finn (''pl.'' Finns) usually refers to a member of the majority Balto-Finnic ethnic group of Finland, or to a person from Finland. Finn may also refer to: Places * Finn Lake, Minnesota, United States * Finn Township, Logan County, North Dakota, United States * Lough Finn, a freshwater lough (lake) in County Donegal, Ireland * River Finn (County Donegal), Ireland * River Finn (Erne tributary), a tributary of the Erne River, Ireland People * Finn, an old Scandinavian ethnonym for the Sami people * Finn (given name), including a list of people with the given name * Finn (surname), English and German-language surname Mythological figures * Finn (dog), an English police dog and namesake of "Finn's Law" providing legal protection for animals in public service * Finn (Frisian), Frisian king who appears in ''Beowulf'' and the Finnesburg Fragment * Fionn mac Cumhaill (Old Irish: Finn mac Cumhal; anglicised to Finn McCool), a warrior in Irish mythology * Various legendary ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Countercyclical
Procyclical and countercyclical variables are variables that fluctuate in a way that is positively or negatively correlated with business cycle fluctuations in gross domestic product (GDP). The scope of the concept may differ between the context of macroeconomic theory and that of economic policy–making. The concept is often encountered in the context of a government's approach to spending and taxation. A 'procyclical fiscal policy' can be summarised simply as governments choosing to increase government spending and reduce taxes during an economic expansion, but reduce spending and increase taxes during a recession. A 'countercyclical' fiscal policy takes the opposite approach: reducing spending and raising taxes during a boom period, and increasing spending and cutting taxes during a recession. Business cycle theory Procyclical In business cycle theory and finance, any economic quantity that is positively correlated with the overall state of the economy is said to be procyc ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Correlation
In statistics, correlation or dependence is any statistical relationship, whether causal or not, between two random variables or bivariate data. Although in the broadest sense, "correlation" may indicate any type of association, in statistics it usually refers to the degree to which a pair of variables are ''linearly'' related. Familiar examples of dependent phenomena include the correlation between the height of parents and their offspring, and the correlation between the price of a good and the quantity the consumers are willing to purchase, as it is depicted in the so-called demand curve. Correlations are useful because they can indicate a predictive relationship that can be exploited in practice. For example, an electrical utility may produce less power on a mild day based on the correlation between electricity demand and weather. In this example, there is a causal relationship, because extreme weather causes people to use more electricity for heating or cooling. However ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Standard Deviations
In statistics, the standard deviation is a measure of the amount of variation or dispersion of a set of values. A low standard deviation indicates that the values tend to be close to the mean (also called the expected value) of the set, while a high standard deviation indicates that the values are spread out over a wider range. Standard deviation may be abbreviated SD, and is most commonly represented in mathematical texts and equations by the lower case Greek letter σ (sigma), for the population standard deviation, or the Latin letter '' s'', for the sample standard deviation. The standard deviation of a random variable, sample, statistical population, data set, or probability distribution is the square root of its variance. It is algebraically simpler, though in practice less robust, than the average absolute deviation. A useful property of the standard deviation is that, unlike the variance, it is expressed in the same unit as the data. The standard deviation of a popul ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Stylized Facts
In social sciences, especially economics, a stylized fact is a simplified presentation of an empirical finding. Stylized facts are broad tendencies that aim to summarize the data, offering essential truths while ignoring individual details. A prominent example of a stylized fact is: "Education significantly raises lifetime income." Another stylized fact in economics is: "In advanced economies, real GDP growth fluctuates in a recurrent but irregular fashion". However, scrutiny to detail will often produce counterexamples. In the case given above, holding a PhD may ''lower'' lifetime income, because of the years of lost earnings it implies and because many PhD holders enter academia instead of higher-paid fields. Nonetheless, broadly speaking, people with more education tend to earn more, so the above example is true in the sense of a stylized fact. Origin of the term When describing what is generally regarded as the first econometric macro model ever developed, Jan Tinbergen (1936) ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
