"What role does the business environment play in promoting and restraining firm growth? Recent literature points to a number of factors as obstacles to growth. Inefficient functioning of financial markets, inadequate security and enforcement of property rights, poor provision of infrastructure,...

There is wide spread concern about a growing gap between top-performing publicly listed firms and the rest of the economy and the implications of this for rising inequality in the U.S. Using conventional return calculations, there is indeed a widening gap between star firms (defined as those...