We document the prevalence around the world of increased stock price comovement experienced by companies when added to major indices, and shed new light on the causes of this phenomenon. Using newly-constructed and extensive data covering forty developed and emerging markets over the last...

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...

This timely volume addresses three important recent trends in the internationalization of United States equity markets: extensive market integration through foreign investment and links among stock prices around the world; increasing securitization as countries such as Japan come to rely more...

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...