Decisions to donate time or money for charitable purposes are typically seen as make-or-buy decisions, implying that there should be a clear distinction between individuals engaging in one of these two forms of giving and that this distinction should be somehow linked to opportunity costs. But...

We propose an analysis of platform competition based on the academic literature with a view towards competition policy. First, we discuss to which extent competition can emerge in digital markets and show which forms it can take. In particular, we underline the role of dynamics, but also of...

The paper studies the role of international implications after EU enlargement. Based on a formal model with migration costs for both capital and labor, it predicts a two-sided migration from the new to the old EU countries which is later reversed. As the migration pattern chosen by market forces...

We review the literature on the political economy of international organizations (IOs). Considering IOs as products of the preferences of various actors rather than monolithic entities we focus on national politicians, international bureaucrats, interest groups, and voters. By looking into the...

The formation and expansion of the European Union (EU) have attracted much attention. However, the impact on the level of corruption in a nation after joining the Union has not been formally studied. Any nation that joins the European Union potentially faces two different and opposite effects on...

We evaluate the impact of a major European state aid programme for broadband deployment applied to rural areas in the German state of Bavaria in the years 2010 and 2011. Using matched difference-in-differences estimation strategies, we find that aided municipalities have - depending on broadband...

We study how policies limiting the spending capacity of local governments may reduce corruption. We exploit the extension of one such policy, the Domestic Stability Pact (DSP), to small Italian municipalities. The DSP led to a decrease in both recorded corruption rates and corruption charges per...

This paper explores whether professional macroeconomic forecasters manipulate their forecasts to influence voting outcomes. We model a referendum in which a voter chooses between two policies. The voter relies on a forecaster to learn about the macroeconomic consequences of the policies. The...