ITIF：2024年美国经济分析：美国多行业需要提升整合力度的原因研究报告（英文版）

Large firms are generally more efficient than smaller ones. As an indicator of their greater productivity, firms with 500 or more employees have higher receipts per worker than do firms with fewer than 500 employees in 710 of 938 six-digit NAICS industries.  Most of the 228 industries in which smaller firms are more productive are those with little ability to gain scale economies (e.g., furniture repair, food trucks, etc.).  Consolidation can boost industry-wide productivity by ensuring tha