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Roaming in the Mobile Internet: when coverage sharing agreements call for regulation
(University of the Basque Country, Department of Foundations of Economic Analysis II, 2003-06)
We examine competition in Mobile Internet services, when operators bargain over the coverage sharing and their reciprocal roaming charge. Results show that in equilibrium operators cover the overall territory entirely and ...
How much efficiency gains and price reductions for an efficiency defense? 'Quanto Basta'
(University of the Basque Country, Department of Foundations of Economic Analysis II, 2004)
Potential efficiency gains due to a merger can be used by competition authorities to judge upon proposed mergers. In a world where agents’ efforts, observable or unobservable, affect the success of a production cost reducing ...
Merging to License: Internal vs. External Patentee
(2003-01)
In this paper, we endogenize the decision of a research laboratory that owns a patented process innovation on whether to remain independent as an external patentee or to merge with a manufacturing firm, becoming an internal ...
A Simple Model of Anticompetitive Vertical Integration
(2003-01)
The result of neutrality of vertical integration for competition postulated by the Chicago School can be supported by a benchmark model with (1) an upstream monopolist, (2) homogeneous goods downstream and (3) observable ...
Moral Hazard and the Internal Organization of Joint Research
(University of the Basque Country, Department of Foundations of Economic Analysis II, 2003-06)
This paper analyzes the impact of agency problems on two entrepreneurs’ choice whether to carry out a stand-alone or a joint project. A joint project can be conducted by a single or both entrepreneurs’ research units, which ...
Product Differentiation with Consumer Arbitrage
(2003-03)
We analyze the consequences of consumers behavior concerning personal arbitrage in a spatial discrimination context where firms know the consumers distribution but cannot distinguish them by location. The firms' equilibrium ...
Mergers in Durable Goods Industries
(University of the Basque Country, Department of Foundations of Economic Analysis II, 2004)
This paper is concerned with the study of durability as an aspect of competition and market structure that contributes to determining the incentives for mergers. We find that relative to the incentives in industries that ...
Commitment Power in a Non-Stationary Durable-Good Market
(2001-05)
This paper derives and evaluates the decisions of a durable good monopolist in a context where demand for the services of the durable good changes over time. It shows that, if the size of the market decreases over time, ...
Non-Stationary Demand in a Durable Goods Monopoly
(University of the Basque Country, Department of Foundations of Economic Analysis II, 2006-01)
In a context where demand for the services of a durable good changes over time, and this change may be uncertain, the paper shows that social welfare may be higher when the monopolist seller can commit to any future price ...
Vertical Differentiation and Entry Deterrence: A Reconsideration
(University of the Basque Country, Department of Foundations of Economic Analysis II, 2005-01)
In this work we emphasize why market coverage should be considered endogenous for a correct analysis of entry deterrence in vertical differentiation models and discuss the implications of this endogeneity for that analysis. ...