We propose a duopoly model of competition between internet search engines endowed with different technologies and study the effects of an agreement where the more advanced firm shares its technology with the inferior one. We show that the superior firm enters the agreement only if it results in...

We use a quantitative electricity market model to analyze the welfare effects of refunding a share of the emission trading proceeds to support renewable energy technologies that are subject to experience effects. We compare effects of supporting renewable energies under both perfect and...

Most systems of health care financing in EU member states currently include elements of income redistribution. The paper analyzes the effects of shifting this kind of redistribution to the tax system and argues that this reform could create two types of efficiency gains. On the expenditure side,...