study the interrelation between technological change, economic growth, market concentration and inequality. This theoretical … concentration, inequality and productivity. Among others, the model can reproduce the industry life-cycle, a Kuznets curve, a … concentration centered around advances in basic research …

, and reallocation determine both market concentration and economic growth. On net, brand reallocation improves efficiency … in the quantified model, even as it increases concentration by over 30%; blocking brand reallocation would reduce welfare … by 2%. A tax on brand reallocation alleviates pricing distortions from concentration but nevertheless reduces efficiency …

-2011. Using firm-level historical data, we document a novel fact: firm concentration rose substantially during the growth miracle … period. To understand whether rising concentration contributed positively or negatively to South Korean real income, we build … consequences of changing firm concentration: productivity, distortions, selection into exporting, scale economies, and …

result, the competitive landscape is uneven across sectors and states and a high degree of concentration continues to prevail …