This paper critically evaluates the literature on international unconventional monetary policies. We begin by reviewing the theories of how such heterogeneous policies could work. Empirically, event studies provide compelling evidence that international asset purchase announcements have strongly...

This paper investigates the merger wave hypothesis for the US and the UK employing a Markov regime switching model. Using quarterly data covering the last thirty years, for the US, we identify the beginning of a merger wave in the mid 1990s but not the much-discussed 1980s merger wave. We argue...