Lu, Yi; Tao, Zhigang; Yu, Linhui - Volkswirtschaftliche Fakultät, … - 2011
study, we use firm markup (defined as the ratio of price over marginal cost) to capture the net impact of agglomeration … impact of agglomeration on firm markup. Our difference-in-differences (DID) estimation shows that agglomeration has a … negative impact on firm markup, suggesting that the devastating competition effect dominates the beneficial spillover effect in …