[EN] This paper focuses on the effects of environmental policy over the perfomance of firms and workers, when there is local pollution. We assume that the government chooses the environmental policy announcing an upper limit on emissions, while unions (if they exist) choose the wage rates and...

In this paper, whe show that the strategic choice of spatial price policy under duopoly crucially depends on the rules of price competition. Thisse and Vives (1988) show that spatial price discrimination is a dominant strategy when the mill pricing firm is the leader and the discriminatory firm...

Developmental monetary benefits of coast artificialisation projects are rarely confronted with the environmental benefits that its conservation may entail. As a consequence, policy-makers often face decision making processes in which monetary benefits have to be balanced with physical impacts...

El objetivo fundamental del presente estudio es analizar el impacto de la aplicación de las Tecnologías de la Información y Comunicación (TICs) como elemento didáctico de autoaprendizaje y facilitador motivacional en la docencia universitaria presencial. El trabajo empírico realizado...

Clasificación AMS: 62P20, 62-07.-- Una versión más reciente de este trabajo está publicada como Biltoki 2003.07.

Time series in many areas of application, and notably in the social sciences, are frequently incomplete. This is particularly annoying when we need to have complete data, for instance to compute indexes as a weighted average of values from a number of time series; whenever a single datum is...

[EN] Stewart (1994) presents a model of endogenous entry. In his article Stewart proposes the following topic for future research: "An important feature of the model is that entry would be inefficient from the producers' point of view, and therefore never occurs in equilibrium. But in practice...

Basándose en la literatura existente, en este trabajo se propone una metodología para el estudio gráfico y analítico del componente estacional en una serie temporal. El objetivo del análisis es determinar si el componente estacional responde a un comportamiento determinista o estocástico....

Also published as Working Paper Ikerlanak 2003-08

A central unanswered question in economic theory is that of price formation in disequilibrium. This paper lays down the methodological groundwork for a model that has been suggested as an answer to this question (Arrow, 1959; Fisher, 1983; Hahn, 1989). We consider sellers that monopolistically compete...