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α: calibrated so average coauthorship-adjusted count equals average raw count
We study how wage gaps across skills and the skill distribution in an economy respond to trade integration. Using administrative data of Denmark (1995–2011), we find that trade has a negative effect on the wage gap between secondary and primary education and a positive effect on the wage gap between tertiary and secondary education. We also show that trade affects skill distribution and induces skill polarization: trade has a positive effect on both the mean and standard deviation of skills. Wage‐gap changes induced by trade shocks explain about 21%–30% of the effect of trade on skills.