Cryptocurrencies are often thought to operate out of the reach of national regulation, but in fact their valuations, transaction volumes and user bases react substantially to news about regulatory actions. The impact depends on the specific regulatory category to which the news relates: events...

This paper analyzes through what channels the euro crisis has affected firm valuations globally. It examines stock price responses over the past year for 3045 non-financial firms in 16 countries to three key crisis events. Using pre-crisis benchmarks, it separates effects arising from changes in...

Using newly-constructed data covering the last decade, we document that, in most of forty markets, when added to the main index, firms’ returns experience an increase in comovement with the rest of the index, reflected in higher beta and greater explanatory power of the market return. Stock...