product quality - and between market size and product concentration - for two industries that differ in their quality …

to what extent consolidation-driven increases in industry concentration affect the way in which the government procures … in the U.S. This industry experienced a sharp increase in the level of concentration during the 1990s, driven by a series … estimate the causal effect of industry concentration on a series of procurement outcomes, leveraging the differential impact of …

.Using U.S. NETS data, we present evidence that the positive trend observed in national product-market concentration between … 1990 and 2014 becomes a negative trend when we focus on measures of local concentration. We document diverging trends for … industries, top firms have contributed to the amplification of both trends. When a top firm opens a plant, local concentration …

Using patents as indicators of inventive activity, this article characterizes the concentration of origins of invention … patents change hands through mergers and acquisitions activity, but this does not make up for the declines in concentration in …

In essence, this paper will try to decompose the concentration-profits relationship into separate concentration …-price arid concentration-cost relationships. By doing this, I hope to shed light on some of the allocative and distributive … high concentration save or waste resources? Does it lead to higher prices? Who gains and loses from a social policy hostile …

for the notion that markups are importantly related to differences in industry concentration, though the effect of … unionization is important. Concentration effects are important only in industries producing durable goods or differentiated …