We consider the regulation of national firms in a common market. Regulators can influence the production of national firms but they incur in a positive cost of public funds. First, we show that market integration is welfare improving if and only if the efficiency gains compensate for the...

The roam-like-at-home regulation (RLAH) eliminated all mobile roaming surcharges to Eu-ropean consumers travelling within the European Economic Area (EEA). We measure the causal impact of the regulation on EEA roaming traffic, using the Rest of the World as a control group. We find large and...

We study fiscal spending by supranational unions, where participation is voluntary and countries bargain over contributions to and the allocation of a central budget. We explore the link between the allocation and nations' contributions that occurs since bargaining power is endogenous, and...

We investigate the effect of an EU-wide consumer protection regulation on consumer trust as well as consumer behavior. The Unfair Commercial Practice Directive (UCPD) was implemented by EU member states between 2007 and 2010. We utilize data from the Special and Flash Eurobarometer for the years...

Recent studies investigate policies motivating consumers to make an active choice as a way to protect unsophisticated consumers. We analyse the optimal timing of such choice-enhancing policies when a firm can strategically react to them. In our model, a firm provides an automatic enrollment or...

The paper analyzes the relationship between CO2 mitigation policy and promotion policies designed to deploy renewable energy sources for electricity production (RES-E). If an emission cap is the only policy target, an optimal mix consisting of high and low carbon use of fossil fuels, deployment...

Despite the importance of the Bologna process for the mobility of students, and the further mobility of graduates, as well as for peace, growth and welfare in that area, nothing has been decided so far for the financing of internationally mobile students, so that the burden of that financing,...

Central bank credit has expanded dramatically in some of the euro area member countries since the beginning of the financial crisis. This paper makes two contributions to understand this stylized fact. First, we discuss a simple model of monetary policy that includes (i) a credit channel and...