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Since the 1970s research has demonstrated a strong relationship between national economic performance and presidential approval. Traditionally, these popularity models rely on macroeconomic conditions; however, other economic performance measures may more fully capture the direction of the economy. One such measure, the stock market index, captures elements of national and household economic well-being. Therefore, market performance should impact presidential ratings. Our presidential approval model, based on quarterly data covering 1960–2011, demonstrates that approval is highly sensitive to the stock market's acceleration or deceleration, even with strong controls in the model for the other economic and political determinants of popularity. A rapid fall in the stock market index reduces president approval, while a sharp acceleration in the index growth boosts U.S. presidential approval.
