Bloom, Nicholas; Romer, Paul M.; Terry, Stephen J.; … - In: American Economic Review 103 (2013) 3, pp. 208-13
We explain a counterintuitive empirical finding: Firms facing more import competition do more innovation. In our model, factors are trapped inside a firm. An increase in import competition encourages a firm to innovate by reducing the opportunity cost of inputs. Without trapped factors, trade...