WHEN IS TRADE PROTECTION GOOD FOR GROWTH?
研究发现贸易保护与经济增长的关系取决于比较优势模式：在技能充裕的国家，关税与增长呈强正相关，且这一结果对控制变量的选择稳健。
The empirical relationship between trade protection and economic growth is surprisingly fragile, as shown in a number of other papers. We address one possible explanation for these findings: that the relationship is contingent on the pattern of comparative advantage, following the endogenous growth literature. Our findings suggest that such contingencies do in fact exist—in particular, the correlation between tariffs and growth is strong and positive for skill‐abundant countries—and are robust to the choice of control variables.