This paper studies the diffusion of a new technology that is brought to market while its potential is still uncertain. We consider a dynamic game in which firms improve both a new and a rival old technology while learning about the relative potential of both technologies. We use the model to...

This paper studies the diffusion of a new technology that is brought to market while its potential is still uncertain. We consider a dynamic game in which an incumbent and a startup firm improve both a new and a rival old technology while learning about the relative potential of both...

Abstract

This paper studies a DSGE model with endogenous financial asset supply and ambiguity averse investors. An increase in uncertainty about financial conditions leads firms to substitute away from debt and reduce shareholder payout in bad times when measured risk premia are high. Regime shifts in...

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This paper builds and estimates a quantitative model of business cycle fluctuations and asset premia driven by changes in uncertainty.

This paper studies a search model of the housing market to show how heterogeneity of beliefs affect house prices and trading volume.