Sectoral Shocks and Structural Unemployment
研究当现有雇主比潜在雇主更了解工人质量时，部门冲击如何导致结构性失业，并分析失业率非单调变化及政策改进空间。
When current employers rave more information about worker quality than to potential employers, sectoral shocks cause structural unemployment. That is, some workers laid off from an injured sector remain unemployed despite the fact that trey are of sufficient quality to be productively employed in an expanding sector at toe prevailing wage, Moreover, sectoral unemployment rates are not monotonic in one severity of sectoral shocks due to one interaction of layoff activity and hiring activity. Finally, equilibrium employment decisions are not constrained Pareto efficient, and can be improved by a policy of adjustment assistance.