We provide a simple necessary and sufficient condition for when a multiproduct demand system can be generated from a discrete choice model with unit demands.

Contingent charges for financial services, such as fees for unauthorized overdrafts, are often controversial. We study the economics of contingent charges in a stylized setting with naive and sophisticated consumers. We contrast situations where the naive benefit from the presence of...

Contingent charges for financial services, such as fees for unauthorized overdrafts, are often controversial. We study the economics of contingent charges in a stylized setting with naive and sophisticated consumers. We contrast situations where the naive benefit from the presence of...

We examine competitive non-linear pricing in a model in which consumers have heterogeneous and elastic demands and can buy from more than one supplier. It is an equilibrium for firms to offer a menu of efficient two-part tariffs, where the discount for one-stop shopping is such that the...

We present a model in which a principal delegates the choice of project to an agent with different preferences. The principal determines the set of projects from which the agent may choose. The principal can verify the characteristics of the project chosen by the agent, but does not know which...

We discuss the impact of consumer protection policies on consumers' incentives to become informed of the best deals available in the market. In a market with costly information acquisition, we find that imposing a cap on suppliers' prices reduces the incentive to become informed of market...

We discuss the impact of consumer protection policies on consumer incentives to become informed of the best deals available in the market. In a market with costly consumer search, we find that imposing a cap on suppliers' prices reduces the incentive to engage in search, with the result that...

We present a model in which a principal delegates the choice of project to an agent with different preferences. The principal determines the set of projects from which the agent may choose. The principal can verify the characteristics of the project chosen by the agent, but does not know which...

In this paper we discuss public policy towards the telecommunications sector in Central and Eastern Europe (CEE), focusing primarily on the need to ensure adequate capital investment. The analysis falls into two main parts: the regulation of monopoly, and policy on liberalization. Concerning...

Regulatory reform had its beginnings in the United States in the 1970s, and today it is taking place around the globe. One of the central questions for industrial policy is how to regulate firms with market power. Regulatory Reform tackles this important policy issue in two parts: it describes...