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**Endogenous Variable**— A classification of a variable generated by a statistical model that is explained by the relationships between functions within the model. For example, the equilibrium price of a good in a supply and demand model is endogenous because it is set… … Investment dictionary**Reduced form**— In social science and statistics, particularly econometrics, the reduced form of a system of equations is the result of solving the system for the endogenous variables. This gives the latter as a function of the exogenous variables, if any.… … Wikipedia**Structural equation modeling**— (SEM) is a statistical technique for testing and estimating causal relations using a combination of statistical data and qualitative causal assumptions. This definition of SEM was articulated by the geneticist Sewall Wright (1921),[1] the… … Wikipedia**Vector autoregression**— (VAR) is an econometric model used to capture the evolution and the interdependencies between multiple time series, generalizing the univariate AR models. All the variables in a VAR are treated symmetrically by including for each variable an… … Wikipedia**Comparative statics**— In this graph, comparative statics shows an increase in demand causing a rise in price and quantity. Comparing two equilibrium states, comparative statics doesn t describe how the increases actually occur. In economics, comparative statics is the … Wikipedia**Multiplier (economics)**— In economics, a multiplier is a factor of proportionality that measures how much an endogenous variable changes in response to a change in some exogenous variable. For example, suppose a one unit change in some variable x causes another variable… … Wikipedia**Endogeny**— The word endogenous means arising from within , the opposite of exogenous.BiologyEndogenous substances are those that originate from within an organism, tissue, or cell [http://dictionary.reference.com/search?q=endogenous] . Endogenous retrovirus … Wikipedia**Statistical model**— A statistical model is a formalization of relationships between variables in the form of mathematical equations. A statistical model describes how one or more random variables are related to one or more random variables. The model is statistical… … Wikipedia**Supply and demand**— For other uses, see Supply and demand (disambiguation). The price P of a product is determined by a balance between production at each price (supply S) and the desires of those with purchasing power at each price (demand D). The diagram shows a… … Wikipedia**Path analysis (statistics)**— In statistics, path analysis is a type of multiple regression analysis. Path analysis was invented by geneticist Sewall Wright around 1918 and he wrote about it more extensively in the 1920s. In addition to being thought of as a form of multiple… … Wikipedia