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 find inherited family firms more important in postwar Japan than generally realized, and also performing well on average. Non-consanguineous heir-run firms outperform blood heirs' firms, and roughly match founder-run listed firms, while blood heirs surpass professional managers at running...