We introduce cheap talk in a dynamic investment model with information externalities. We first show how social learning adversely affects the credibility of cheap talk messages. Next, we show how an informational cascade makes thruthtelling incentive compatible. A separating equilibrium only...

We consider a setup in which a principal must decide whether or not to legalize a socially undesirable activity. The law is enforced by a monitor who may be bribed to conceal evidence of the offense and who may also engage in extortionary practices. The principal may legalize the activity even...

This paper presents a model of technology invention in an emerging market. Managers wait and adopt the standard technology in the hope to free-ride on the effort level of another manager who may invent a superior technology. The more managers who adopt the standard technology, the more their...

I study a game in which two players first bid for offshore tracts (below which oil and gas may be present) and next time their drilling decisions. High types bid more aggressively if the auctioneer discloses bids as this gives them useful information about the profitability of drilling. A low...

I study a game in which firms first bid on wildcat tracts and then time their drilling decisions. In an equilibrium bids are used as a coordination device: if player i bid low while player -i bid high, player i waits while player -i drills. This equilibrium is consistent with the empirical...