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Growth vs. Margins: Destabilizing Consequences of Giving the Stock Market What it Wants

  • Philippe Aghion
  • Jeremy C. Stein

We develop a multi-tasking model in which a firm can devote its efforts either to increasing sales growth, or to improving per-unit profit margins by, e.g., cutting costs. If the firm's manager is concerned with the current stock price, she will tend to favor the growth strategy at those times when the stock market is paying more attention to performance on the growth dimension. Conversely, it can be rational for the stock market to weight observed growth measures more heavily when it is known that the firm is following a growth strategy. This two-way feedback between firms' business strategies and the market's pricing rule can lead to purely intrinsic fluctuations in sales and output, creating excess volatility in these real variables even in the absence of any external source of shocks.

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Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 10999.

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Date of creation: Dec 2004
Date of revision:
Handle: RePEc:nbr:nberwo:10999
Note: CF EFG
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