One of the most conspicuous features of mergers is that they come in waves that are correlated with increases in share prices and price/earnings ratios. We use a natural way to discriminate between pure stock market influences on firm decisions and other influences by examining merger patterns...

Merger control authorities may approve a merger based on a so-called “efficiency defence”. An important aspect in clearing mergers is that the efficiencies need to be merger-specific. Joint ventures, and in particular research joint ventures (RJVs), may achieve comparable efficiencies...

The literature on the effects of telecommunications infrastructure investments find positive macroeconomic effects, however, it is severely constrained because it could hitherto only analyze investment up to “basic” broadband but not up to the newer generations of “fast” and...

Following the breakdown of central planning in Eastern Europe in 1989, all the reforming countries bordering the EU initiated processes, though at different speeds, to eventually join the EU as members. These countries were, except for Poland, also bordering the then new EU-Member country...

The literature on the effects of telecommunications infrastructure investments find positive macroeconomic effects, however, it is severely constrained because it could hitherto only analyze investment up to “basic” broadband but not up to the newer generations of “fast” and...

An increasing body of empirical evidence is documenting trends toward rising concentration, profits, and markups in many industries around the world since the 1980s. Two major criticisms of these studies is that concentration and market shares are poorly measured at the national industry level...