U.S. tech titans increasingly hire PhD economists to help solve business problems. These key tech titans include Facebook, Amazon, Microsoft, Google, Apple,

Platforms benefit from positive network effects, scale economies, and information cascades. There are at least 2 major types of highly valuable platforms: i

Amazon faces E.U. antitrust scrutiny over the current e-commerce use of merchant data. The European Commission probes into whether Amazon uses key third-par

Credit supply growth drives business cycle fluctuations and often sows the seeds of their own subsequent destruction. The global financial crisis from 2008

The International Monetary Fund (IMF) appoints Harvard professor Gita Gopinath as its chief economist. Gopinath follows her PhD advisor and trailblazer Kenn

Corporate diversification theory and evidence A recent strand of corporate diversification literature spans at least three generations. The first generat