In this paper, I estimate the global effects of hypothetical 1% changes in US sectoral productivity. To do that, I formulate a multi-sector Armington trade model with import tariffs, trade in intermediate goods, sectoral heterogeneity, and input-output linkages. Because a closed form for changes...

Income inequality in many countries has risen recently. Using aggregate data of 22 countries, this paper provides a new evidence about the factor which might contribute to the rise in income inequality. The main finding is that the lack of competition, which is measured as the rise in markup,...