Este artículo explora a través de un mismo modelo básico las características fundamentales que determinan si es socialmente preferible concesionar versus privatizar un servicio público con características monopólicas. Los principales resultados de este trabajo son que la opción de...

Two main results have been obtained on the literature on contractual solutions to the hold-up problem. First, a contract specifying a price and quantity of the final good to be traded will, fairly generally, induce efficient investments if these are `selfish' in nature, i.e., each party's...

We take the view that alternative trading opportunities may influence the loss to delay in a bargaining situation, and show that contractual exclusivity may then be relevant even for ‘internal’ investments, contradicting a recent finding by Segal and Whinston (2000). When a buyer is an...

This paper studies the effects of product market competition on vertical integration. In a duopoly setting, each retailer is associated with a manufacturer who must decide how to allocate property rights over the retail asset. Choosing delegation of property rights over vertical integration...

We study the relationship between ambiguity (which comes into the picture since contracts have to be written in natural language), and contractual incompleteness. The contracting process is modelled as a signalling game between the parties and the judge, with the contract as the signal. The...

This article lays down economic principles that should govern electricity transmission pricing when peak-load pricing is used to set tariffs. Transmission systems perform three different functions: to transport energy, to substitute for generation capacity, and to increase competition in the...

The access pricing problem emerges when a vertically integrated firm (the incumbent) provides an essential service in the upstream market, to an entrant. Both firms produce a final service and compete in the downstream market. The standard treatment of this problem has been to add the access...

Pharmaceutical price control has achieved attentions of policy makers in the world. Japanese pharmaceutical market provides a good case study for price control. First, the Japanese pharmaceutical market has been tightly regulated by price control. Second, the difference between the official...

The paper analyzes calling party pays access pricing policies in a General Equilibrium two ways access charge model with consumers that choose between different telecommunication providers, and benefit from making calls to other consumers and from the calls that they receive. We obtain that...

This paper examines firms' incentive to make irreversible investments under an open access policy with stochastically growing demand. Using a simple model, we derive an access-to-bypass equilibrium. Analysis of the equilibrium confirms that the introduction of competition in network industries...