This paper develops a new specification of the demand for outpatient medical care and then estimates the model using data from a household survey conducted in rural Kenya in 1989. A four-stage nested logit model is used with a variable number of choices at several nodes. The first stage modeled...

This paper examines the allocative performance of rotating savings and credit associations (roscas), a financial institution which is observed world-wide. We develop a model in which individuals save for an indivisible good and study roscas which distribute funds using random allocation and...

We develop a simple model of the choice between exploiting a technology in another country via export and via direct foreign investment. The model points to the destination country's size, level of technological sophistication, and distance from the source as factors in the decision. Moreover,...

In a three-country framework, with one innovating country, we study the incentives of non-innovating countries to extend patent pro- tection to the innovator's intellectual property. I assume that non- innovating countries differ with respect to their market sizes and/or imitative capabilities....