Interest in market power has recently surged among economists in many fields, well beyond its traditional home in industrial organization. This has focused empirical attention on markups, the ratios of price to marginal cost in product markets, and markdowns, the ratios of inputs' marginal...

Many firms own links of production chains- i.e., they own both upstream and downstream plants in vertically linked industries. We use broad-based yet detailed data from the economy’s goods-producing sectors to investigate the reasons for such vertical ownership. It does not appear that...

We use broad-based yet detailed data from the economy's goods-producing sectors to investigate firms' ownership of production chains. It does not appear that vertical ownership is primarily used to facilitate transfers of goods along the production chain, as is often presumed: Roughly one-half...