The purpose of this letter is to analyze the impact of economic integration when countries differ in their social security systems, more specifically in the degree of funding of their pensions, and in the regulation of the retirement age. Funding and mandatory early retirement are two features...

The quality of electricity distribution is being more and more scrutinized by regulatory authorities, with explicit reward and penalty schemes based on quality targets having been introduced in many countries. It is then of prime importance to know the cost of improving the quality for a...

The shift-share analysis is a widely used decomposition technique in regional studies to quantify an industry-mix effect and a competitive effect on the growth of regional employment (or any other relevant variable) relative to the national average. This technique has always been subject to...

This paper uses generational accounts as an instrument to analyse the fiscal long term sustainability of Belgian public finances. Age-profiles of detailed tax and expenditure categories are derived from micro data and microsimulation models, and then plugged into a long run demographic...

This paper endogenizes the extent of intra-sectoral competition in a multi-sectoral general-equilibrium model of oligopoly and trade. Firms choose capacity followed by prices. If the benefits of capacity investment in a given sector are below a threshold level, the sector exhibits Bertrand...

Universal service obligations are usually not competitively neutral as they modify the wayfirms compete in the market. In this paper, we consider a continuum of local markets in a dynamic setting with a stochastically growing demand. The incumbent must serve all markets (ubiquity) possibly at a...