al. (2017), we evaluate and confirm two core claims of the superstar firm hypothesis: the concentration of sales among … firms within industries has risen across much of the private sector; and industries with larger increases in concentration …

firms in each industry, product market concentration will rise as industries become increasingly dominated by superstar … increasingly concentrate in a small number of firms; industries where concentration rises most will have the largest declines in … share will be greatest in the sectors with the largest increases in market concentration; and finally, such patterns will be …

shocks that increase concentration will also lead to an increase in wage dispersion between firms. Empirically, we use …-tically significant correlation between concentration and between-firm wage inequality, driven by increases in market shares and wages in …

debt. Debt concentration is maximized when the wedge between ownership and control is the largest. This is the case when …

The paper looks at the effects of employment concentration on resource allocation with a particular focus on one … the dominance of natural resources in the Russian economy and employment concentration is closely linked …

distorted competition and accelerated economic concentration. We view the income distribution effect, which favours the top 1 …%, and the business concentration effect, which gravitates competition towards oligopolistic/monopolistic industries, as the …

Although market concentration is one of the main impediments to productivity growth globally, data constraints have … limited its analysis to developed countries or cross-country studies based on definitions of market concentration across … the effects of local industry concentration on productivity.The main results show that a decline by 10 points in the …