In this paper I consider a complex decision problem where subjects have to cope with a time horizon of uncertain duration and must update their termination probabilities which depend on stochastic events during "life". First I describe how economic theory suggests to solve the decision problem....

We document the evolution of productivity in a steel mini mill with fixed capital, producing an unchanged product with Leontief technology. Despite almost un- changed production conditions, output doubles within the sample period (12 years). We decompose the gains into: downtime reductions, more...

We consider the interaction between an incumbent firm and a potential entrant, and examine how this interaction is affected by demand fluctuations. Our model gives rise to procyclical entry, prices, and price-cost margins, although the average price in the market can be countercyclical if the...

This paper reviews the Israeli credit card industry and discusses in detail the ongoing attempts by the Israeli Antitrust Authority (IAA) to promote competition in the industry. Currently, these attempts had only limited success: there is still little competition both on the issuing and the...

Programmers can distribute new software to online users either for a feeas shareware or bundle it with advertising banners and distribute it forfree as adware. In this paper we study the programmers' choice betweenthese two modes of distribution in the context of a model that takeexplicit...