New indicators of technological change in the US based on information drawn from the catalogue of the Library of Congress for the period 1909-1949 are developed and used to pinpoint the relationship, first, between technical change and economic activity, and, second, between fluctuations in...

To evaluate the effect of managerial innovations on the economy, a series of new indicators capturing these advances is constructed. Three findings emerge from the analysis. First, following a positive managerial shock, output and productivity significantly increase and hours modestly rise in...