diversification declined significantly during the second half of the decade. The mean number of industries in which firms operated … operated. using plant-level Census Bureau data, we show that productivity is inversely related to the degree of diversification …, the lower the productivity of its plants. Hence de-diversification is one of the means by which recent takeovers have …

diversification declined significantly during the second half of the decade. The mean number of industries in which firms operated … operated. using plant-level Census Bureau data, we show that productivity is inversely related to the degree of diversification …, the lower the productivity of its plants. Hence de-diversification is one of the means by which recent takeovers have …

I analyze the effects of four types of medical innovation and cancer incidence on US cancer mortality rates during the … pre‐dated factors that drove both innovation and mortality and that there would have been parallel trends in mortality in … the absence of innovation, the estimates indicate that there were three major sources of the 13.8% decline of the age …