SKILL-BIASED TECHNOLOGICAL CHANGE, UNEMPLOYMENT, AND BRAIN DRAIN
构建了一个包含定向技术采纳、摩擦性失业和移民的模型，研究技能禀赋变化对技能与非技能工人工资、就业率和移民率的影响，发现技能比例上升可能降低技能工人的相对失业率和相对移民率。
We develop a model of directed technology adoption, frictional unemployment, and migration to examine the effects of a change in skill endowments on the wages, employment rates, and emigration rates of skilled and unskilled workers. We find that, depending on the elasticity of substitution between skilled and unskilled workers and the elasticity of the matching function, an increase in the skill ratio can reduce both the relative unemployment rate and the relative emigration rate (brain drain) of skilled workers. We provide numerical simulations to support our findings and show that the effects are empirically relevant and potentially sizable.