Confidence-Enhanced Economic Growth

Angus Chu

The B.E. Journal of Macroeconomics, 2007, vol. 7, issue 1, 20

Abstract: This paper investigates one causal link between entrepreneurial overconfidence and economic growth in the US. Evidence from the social psychology literature suggests that this biased perception can lead to more successful outcomes for individuals. This paper examines the impacts of entrepreneurial overconfidence on the aggregate economy using an R&D-driven endogenous growth model. From this perspective, overconfidence is equivalent to a subsidy to R&D such that overconfident entrepreneurs are more likely to invest, and this increased R&D intensity is the driving force behind faster economic growth. In terms of social welfare, a small degree of overconfidence moves the market equilibrium level of R&D closer to the social optimum; however, a large degree of overconfidence may move the economy beyond the optimal level. Therefore, the welfare impact is ambiguous.

Keywords: endogenous growth; overconfidence; R&D (search for similar items in EconPapers)
Date: 2007
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Citations: View citations in EconPapers (8)

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DOI: 10.2202/1935-1690.1495

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