Previous research has suggested that firms in a number of industries have considerable market power, in the sense that their prices exceed their marginal costs. However, the observed profits of those
To date, little is known about the evolution of market power for the economies around the world. We extract data from the financial statements of over 70,000 firms in 134 countries, and we analyze and
Data and Code for Common Ownership and Market Entry: Evidence from the Pharmaceutical Industry Abstract: Common ownership - where several firms are (partially) owned by the same in-vestors - an
The 1999 Advertising and Industry survey project sought to establish a new dataset that provides information on the advertising practices of a large sample of UK firms. Data of this kind would facilit
