"The fundamental unit of production in microeconomics is the firm, and this mirrors reality in the United States and United Kingdom. But elsewhere, business groups can be the more important unit, for business strategy is often formulated at the business group level, not the firm level. In many...

"We develop a model of internal governance where the self-serving actions of top management are limited by the potential reaction of subordinates. Internal governance can mitigate agency problems and ensure that firms have substantial value, even with little or no external governance by...