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CEO Overconfidence and Corporate InvestmentUlrike MalmendierUniversity of California, Berkeley - Department of Economics; National Bureau of Economic Research (NBER); Centre for Economic Policy Research (CEPR); Institute for the Study of Labor (IZA) Geoffrey A. TateUniversity of North Carolina (UNC) at Chapel Hill - Kenan-Flagler Business School October 2004 NBER Working Paper No. w10807 Abstract: We argue that managerial overconfidence can account for corporate investment distortions. Overconfident managers overestimate the returns to their investment projects and view external funds as unduly costly. Thus, they overinvest when they have abundant internal funds, but curtail investment when they require external financing. We test the overconfidence hypothesis, using panel data on personal portfolio and corporate investment decisions of Forbes 500 CEOs. We classify CEOs as overconfident if they persistently fail to reduce their personal exposure to company-specific risk. We find that investment of overconfident CEOs is significantly more responsive to cash flow, particularly in equity-dependent firms.
Number of Pages in PDF File: 57 working papers seriesDate posted: October 13, 2004Suggested CitationContact Information
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