In real markets, price adjustment and the matching of buyers and sellers involve considerable exchange of information. Previous experience is also important in partner selection and in the decision to accept a transaction. The dynamic processes involved can be described in terms taken from...

This paper examines the implications of corporate manager's tendency to promote her private benefits by realizing inefficient investments that incurs a cost for shareholders in terms of lost shareholder value. Under reasonable conditions, we derive an expression for such a loss and propose a...

The competitive equilibrium correspondence, which associates equilibrium prices of commodities and assets with allocations of endowments, identifies the preferences and beliefs of individals also under uncertainty; this is the case even if the asset market is incomplete.

I consider the problem of choosing index numbers of puchasing power and real income for international comparisons. I show that the desirable properties of methods based on the Fisher Ideal index do not extend to multilateral comparisons, except when tastes are homothetic.

Qualitative answers given in the INSEE conjuctural surveys (1972-1994) by approximately 2500 households during two consecutive years aloow us to test the rationality of price and unemployment expectations on panel data.

We measure values of time and reliability from 1998 data on actual behavior of commuters on State Route 91 in Orange Country, California, where they choose between a free and a variably-tolled route. For each route at each time of day and for each day of the week, the distribution of travel...

Convention wisdom usually suggests that agents should use all the data they have to make the best possible prediction. In this paper it is shown that agents may sometimes be able to make better predictions by throwing away data. The optimality criterion agents adopt is the mean squared criterion.

This paper uses a model of boundedly rational learning to account for the observations of recurrent hyperinflations in the last decade. We study a standard monetary model where the fully rational expectations assumption is replaced by a formal definition of quasi-rational learning. The model...

It is shown that a fixed cost of nominal price changes enhances the ability of firms to collude in an ologopolistic market for a homogeneous good. Nevertheless, harsh price competition with firms making no profit remains a possible outcome. The analysis focuses on stable symmetric steady states...

Learning with bounded memory in stochastic frameworks is incomplete in the sense that the learning dynamics cannot converge to an REE. The properties of the dunamics arising from such rules are studied for models with steady states. If in standard linear models the REE is in a certain sense...