Biais, Bruno, Rochet, Jean-Charles and Woolley, Paul (2015) The dynamics of innovation and risk. Review of Financial Studies, 28 (5). pp. 1353-1380.

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Abstract

We study the dynamics of an innovative industry when agents learn about its strength, i.e., the likelihood that it gets hit by negative shocks. Managers can exert risk-prevention export to mitigate the consequences of such shocks. As time goes by, if no shock occurs, condence improves. This attracts managers to the innovative sector. But, when condence becomes high, less managers exerting low risk-prevention export also enter. This accelerates the growth of the industry, while inducing a decline in risk-prevention. The longer the boom, the stronger the condence, the larger the losses if a shock occurs. While the above dynamics arise in the first best, with asymmetric information there is excessive entry of inefficient managers, earning informational rents at the expense of inneficient managers. This inflates the innovative sector and increases its vulnerability.

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