The paper studies a generic bilateral trade model with relationship-specific investments. Only the seller invests, and subsequent trade becomes inefficient if his investments are too low. We show that the seller may defect strategically under a fixed-price contract even though he attains any...

Concern over the potential need to redefine universal service to account for Internet-related services and other combinations of communication and computing motivates this study of the geographic spread of commercial Internet Service Providers (ISPs), the leading suppliers of Internet access in...

We recall the historical changes that have taken place in the power markets worldwide and that have led to a partial or full opening for competition. Afterwards we discuss power market structure with special emphasis on differences between financial or other commodity markets on one hand and the...

English Abstract: The article presents an overview of selected connections of the COVID-19 pandemic with risk theories. The study first explores the basic concepts of preparing and mobilizing networks of public policy actors to act together under conditions of uncertainty. The following section...