Electricity markets vary greatly across jurisdictions, in terms of regulatory institutions, cost levels and environmental impacts. Integrating such different markets can lead to significant changes. This paper considers two jurisdictions, one with a regulated monopoly selling at average cost and...

This paper studies the optimal price structure in the postal sector when worksharing is available (e.g., for collection, sorting and transportation) and when the operator faces a break-even constraint. Users differ in opportunity and cost to engage in worksharing. We determine the optimal...

In spite of deregulation on the air-transportation markets, many connections are still operated by a single operator on regional markets, in particular in Europe. Evidence thus calls for some regulation in this industry. There is, however, a great concern for the (possibly negative) consequences...