Racial social isolation within and across workplaces may reduce firm productivity. We provide descriptive evidence that African-Americans feel socially isolated from Whites. To test whether isolation affects productivity, we estimate models of Total Factor Productivity for manufacturing firms...

Standard models fail to explain variation in UK capital investment. This paper develops and tests a new theory based on the insights of Edmond Malinvaud, in which investment under uncertainty is adjusted to balance the cost of excess and deficient capacity. Using quarterly UK manufacturing data...