We study how political factors can shape competition in the mobile telecommunication sector. We show that the way a government designs the rules of the game has an impact on concentration, competition, and prices. Pro-competition rules reduce prices, but do not hurt the quality of services or...

We study how political factors shape competition in the mobile telecommunication sector. We show that the way a government designs the rules of the game has an impact on concentration, competition, and prices. Pro-competition regulation reduces prices, but does not hurt quality of services or...

In lower-income economies, stocks exhibit less idiosyncratic volatility and business groups are more prevalent. This study connects these two findings by showing that business group affiliated firms' stock returns exhibit less idiosyncratic volatility than do the returns of otherwise similar...

Using newly-assembled data encompassing up to 75 countries and starting circa 1910, we find that the Schumpeterian process of creative destruction aptly describes the replacement of large firms by other firms, but exceptions to the norm of replacement are not rare and replacement is often not by...

Using police accident reports for Tippecanoe County, Indiana, and exploiting the introduction of the augmented reality game Pokémon GO as a natural experiment, we document a disproportionate increase in crashes and associated vehicular damage, injuries, and fatalities in the vicinity of...