difficulty of separating these two effects. We use newly-developed techniques to separately estimate productivity and markups … that M&As are associated with increases in average markups, but find little evidence for effects on plant …

direct measures of marginal cost for the California electricity market to measure the extent to which estimated mark-ups and … marginal costs are biased. Our results suggest that the NEIO technique poorly estimates the level of mark-ups and the …

theory, markups are chosen to ensure that no one deviates from an (implicitly) collusive understanding. Increases in rates of … countercyclical unless markups of price over marginal cost were themselves countercyclical. We thus examine three theories of markup … the second, firma face a tradeoff between exploiting their existing customers and attracting new customers. Markups then …

In this paper I provide a production theory-based framework for measuring markups of price over marginal coat, and the … effects of cost and demand characteristics on these markups. Price to marginal coat ratios are measured for various Canadian …

In this paper a production theory-based model of firms' markup behavior is constructed. The theoretical structure is …. Adjustment costs on both labor and capital and economies of scale are incorporated. Estimation is carried out using manufacturing … data for the U.S. and Japan from 1960 through 1981. The empirical results suggest that markups for manufacturing firms in …

Estimating markups has a long tradition in industrial organization and international trade. Economists and policy … by markups. The empirical methods that were developed in empirical industrial organization often rely on the availability … detailed data, but still need an assessment of whether changes in the operating environment of firms had an impact on markups …

is that imperfectly competitive firms compete less aggressively during recessions - that is, markups of price over … marginal cost are countercyclical. We present a model in which markups are countercyclical because of capital … investments in market share. We provide evidence from the supermarket industry in support of this theory. We show that during …

We study optimal product market interventions in an unequal economy in which firm ownership is concentrated and markups …