National labour market institutions interact across national boundaries when product markets are global. Labour market policies can thus entail spill-overs, which suggests that there are benefits from international policy coordination. This paper studies the effects of wage subsidies in an...

Aphorisms that "Rising tides raise all boats" or that material advances of the rich eventually "Trickle Down" to the poor are really maxims regarding the nature of stochastic processes that underlay the income/wellbeing paths of groups of individuals. This paper looks at the implications for the...

The author analyzes the optimal investment in environmental protection in a model of an infinite series of non-overlapping hyperbolically discounting agents. He shows that without a commitment mechanism society is eventually stuck in a situation where all agents prefer further investment in the...

Large and growing levels of public debt in the United States, United Kingdom, Japan and the Euro Area raise new interest in the cross-country effects of a large open economy's deficits. The authors consider a dynamic optimising model with costly tax collection and exogenously given public...

The paper analyzes the usefulness of budgetary cooperation in a monetary union, even if it is limited to a subgroup of countries with close structural characteristics. The author finds that its advantages depend on the nature of the shocks and on the width of the heterogeneities within the...

In a Cournot duopoly model in which exporters compete in a third market, this paper revisits the classical issue (dating back to the pioneering work of Brander and Spencer, Export Share and International Market Share Rivalry, 1985) of the strategic trade policy choice in the presence of the...

In this paper, we consider a non-cooperative and symmetric three-stage game model composed by two regulator-firm hierarchies. By means of adequate emission taxes, original and absorptive research and development (R&D) subsidies we prove that regulators can reach the non-cooperative social...