Oberfichtner, Michael; Popp, Martin - In: German economic review : GER 26 (2025) 4, pp. 361-393
Using register data, we document that the average German labor market, defined by hires in combinations of 3-digit occupations, requirement levels, and commuting zones, is highly concentrated ( HHI ̄ $\bar{\text{HHI}}$ =0.257). By EU antitrust thresholds, 56 percent of these labor markets...