Disposable Personal Income and the Stock Market

A reader asked: “Is disposable income a leading indicator of the stock market?” Arguably, an increase in disposable income could spur consumption, corporate earnings and associated stock values. The Bureau of Economic Analysis (BEA) releases seasonally adjusted Disposable Personal Income (DPI) monthly with a lag of about one month for initial release and two additional months for revisions. Using this series and monthly S&P 500 Index level during January 1959 through September 2023, we find that…

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