Extreme market outcomes are often followed by a lack of liquidity and a lack of trade. This market collapse seems particularly acute for derivative markets where traders rely heavily on a specific empirical model. Asset pricing and trading, in these cases, are intrinsically model dependent....

I present a consumption-based explanation of a number of phenomena in the aggregate equity market. The model invokes the recursive utility function of Epstein and Zin (1989), configured with the plausible parameters of the average coefficient of the aversion to late resolution of uncertainty of...

Hall (1988) estimates the intertemporal substitutability for nondurable goods economically and statistically insignificant. Ogaki and Reinhart (1998) introduce the service flow from durable goods using within-period-nonseparable homothetic preference specification. They estimate the...

We consider the problem of a monopolist---choosing an optimal nonlinear pricing scheme---facing two consumers who can resell some or all of the goods to each other in a secondary market. We suppose that the valuations of the consumers are drawn independently from a continuous distribution. We...

Motivated by sponsored search auctions with hard budget constraints given by the advertisers, we study multi-unit auctions of a single item. An important example is a sponsored result slot for a keyword, with many units representing its nventory in a month, say. In this single-item multi-unit...