This article examines imperfectly competitive investment in electric power generation in the presence of congestion on the transmission grid. Under simple yet realistic assumptions, it precisely derives the technology mix as a function of the capacity of the transmission interconnection. In...

We build an analytical model à la Hotelling describing the process of e-substitution in the market for transactional mail. A generic firm sells a final good to customers, with each unit sold requiring one unit of communication between firm and customer, which can take the form of either letter...

Cross-country variability in regulatory frameworks, industrial policy, physician/pharmacy autonomy, brand/generic distinctions, and in the practice of medicine contributes to ambiguous interpretations of pharmaceutical cost comparisons. Here we report cross-country comparisons that: (i) focus on...

This paper analyzes competitive pricing policies by multiproduct firms facing heterogeneous buying patterns. We show that cross-subsidization arises when firms have comparative advantages on different products but are equally efficient overall: Firms earn a profit from multi-stop shoppers by...

This paper uses a two-sided market model of hospital competition to study the implications of different remunerations schemes on the physicians’ side. The two-sided market approach is characterized by the concept of common network externality (CNE) introduced by Bardey et al. (2010). This type...