We identify the effects of corporate income tax shocks on key US macroeconomic aggregates. In response to a corporate income tax cut, we find that: (i) labor productivity increases; (ii) entry increases with delay; (iii) exit increases; (iv) total labor increases by more than production labor....

We explore how the competitive pressure of imports affects productivity, at the firm level. There are two conflicting effects of import-competition: the pro-competitive effect fosters productivity, while the direct effect hinders it. The pro-competitive effect dominates in the steady-state,...