We investigate gift exchange relationships in real jobs, making use of a field quasi-experiment associated with the exercise of stock options for roughly 4500 managers in a large public company. In this company, option grants are set equally for all employees within occupational categories, and...

Most listed firms are freestanding in the U.S, while listed firms in other countries often belong to business groups: lasting structures in which listed firms control other listed firms. Hand-collected historical data illuminate how the present ownership structure of the United States arose: (1)...