In this note, we consider the impact of job rotation in a directed search model in which firm sizes are endogenously determined, and match quality is initially unknown. A large firm benefits from the opportunity of rotating workers so as to partially overcome mismatch loss. As a result, in the...

Various empirical works have shown that dispersion of firm-level profitability is significantly countercyclical. I incorporate firms' technology adoption decision into firm dynamics model with business cycle features to explain these empirical findings both qualitatively and quantitatively. The...