We study the competition to operate an infrastructure service by developing a model where firms report a two-dimensional sealed bid: the price to consumers and the concession fee paid to the government. Two alternative bidding rules are considered in this paper. One rule consists of awarding the...

The paper analyses the timing of spontaneous environmental innovation when second-mover advantages, arising from the expectation of declining investment costs, increase the option value of waiting created by investment irreversibility and uncertainty about private payoffs. We then focus on the...

When assigning a concession contract, the regulator faces the issue of setting the concession length. Another key issue is whether or not the concessionare should be allowed to set the timing of new invest- ments. In this paper we investigate the impact of concession length and investment timing...

Ecolabel award schemes have become increasingly popular. Their rationale is to enable (concerned) consumers to identify "green" products. By so doing, ecolabelling should stimulate environmental innovation, and induce firms to reduce the supply of conventional (polluting) products. Our analysis...

This paper deals with water transfers between jurisdictions not claiming riparian rights to the same water source, and taking place through straightforward sales. Taking into account the uncertain nature of water surpluses, we investigate, within a partial equilibrium framework, the implications...

Weather derivatives have emerged as a generally acknowledged, if not widely utilized, risk management product within the past 5 to 10 years. The authors of this article compare the costs and benefits of weather derivatives in relation to insurance contracts for hedging weather risk, within the...

A number of countries face water shortages because they need to make some basic changes in their water management. Policy options do exist. Most of them share the objective of treating water and water services as an economic good, by regulating private inefficient appropriation of open-access...

The aim of this paper is to provide a review of policy instruments aimed at controlling pollution from agricultural diffuse sources, and compare their pros and cons. The review also includes a description of instruments introduced through recent reforms of the European Common Agricultural Policy...