When there are search frictions in the labor market, physical capital accumulation by firms interacts with job dynamics. To study this interaction, this paper integrates directed, on-the-job search (OJS) into the neoclassical theory of firm investments, analytically characterizes the social...

By integrating frictional sorting into the neoclassical framework with post-match investment by firms, this paper analyzes the social optimum and the equilibrium. A main theoretical result is that post-match investment restores positive assortative matching (PAM) to the social optimum in the...