This paper examines competition in the liberalized natural gas market. Each .firm has zero marginal cost core capacity, due to long term contracts with take or pay obligations, and additional capacity at higher marginal costs. The market is decentralized and the firms decide which customers to...

Procurement (and concession) contracts are agreements granting the right to construct public works, operate and provide a service/good. Themain advantage of a procurement contract is that it passes full responsibility for investment and operations to the private sector and consequentlyprovides...

We study the competition to operate an infrastructure service bydeveloping a model where firms must report a two-dimensional sealedbid: the price to consumers and the concession fee paid to the government. Two bidding rules are considered in this paper. One ruleconsists of awarding the...

To avoid high profit levels often experienced in countries where monopolies in public utility sectors are regulated through price-cap mechanisms, several regulatory agencies have recently introduced profit-sharing (PS) clauses aimed at obtaining price reductions to the benefit of consumers....

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...

This paper tries to explain why most migration flows show some observable jumps in their processes, a phenomenon that seems to be sympathetic with the characteristic of irreversibility of migration. We present a real option model where the choice to migrate depends on both the differential wage...