We study the performance of English and second price auctions in which the seller sets an optimal reserve price given his beliefs. We define the effectivess of an auction as the ration between the expected revenue it generated for the seller and the expected valuation of the object to the bidder...

We present a model of social learning in an environment with common values where informational cascades and herding arise in combination with the winner ; s curse. A informational cascades and herding arise in combination with the winner's curse. A seller of an object sequentially obtains bids...

Mobility depends essentially on investment, which often occurs in environments in which individuals match (school) or will match after investing (the labor market). Where partners can transfer surplus to each other only imperfectly (NTU), the pattern of matching will typically be inefficient,...

Entrepreneurs face significant non-diversifiable business risks. We build a dynamic incompletemarkets model of entrepreneurial finance to demonstrate the important implications of nondiversifiable risks for entrepreneurs’ interdependent consumption, portfolio allocation, financing, investment,...

This paper presents an analytically tractable continuous-time general equilibrium model with investment irreversibility and fixed adjustment costs. In the model, there is a continuum of firms that are subject to idiosyncratic shocks to capital. Although the presence of investment frictions...