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Illinois Wesleyan University

University Avenue Undergraduate Journal of Economics

Granger Causality

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The Stock Market As A Leading Indicator: An Application Of Granger Causality, Brad Comincioli Jan 1996

The Stock Market As A Leading Indicator: An Application Of Granger Causality, Brad Comincioli

University Avenue Undergraduate Journal of Economics

The purpose of this paper, then, is to evaluate stock prices as a leading indicator of economic activity. Time-series analysis and the notion of "Granger causality" are used in this project to estimate relationships between stock prices and the economy, and to see if they are consistent with theory. In this paper, we will explore the following questions. First, does the stock market lead the real economy, in the sense that variation in its past values explains some of the variation in the real economy? Second, does the stock market "Granger-cause" the real economy, in which case past values of …