如何测算促进合法缴纳社保对A股的潜在影响？

Core Insights - Promoting legal social insurance contributions by enterprises is a crucial aspect of the "anti-involution" policy, aimed at establishing a unified national market and returning factor prices to reasonable levels, which will help raise labor factor prices [2][5] - The short-term policies are accelerating, with new judicial interpretations coming into effect on September 1, 2025, which will invalidate any agreements that exempt employers from social insurance contributions [2][5] Quantitative Analysis - The report conducted quantitative assessments on the potential impact of promoting legal social insurance contributions on A-shares, presenting four scenarios: - Scenario 1: If all listed companies' average contribution base exceeds the minimum provincial base for 2024, 485 companies would need to make a back payment of 10.8 billion yuan, representing 0.02% of 2024 revenue and 0.21% of profit [10][11][13] - Scenario 2: If the average contribution base exceeds the average provincial base, 1,493 companies would need to back pay 25.7 billion yuan, accounting for 0.04% of revenue and 0.49% of profit [10][11][13] - Scenario 3: If the average contribution base exceeds the actual national average for 2023, 3,002 companies would need to back pay 88.1 billion yuan, which is 0.12% of revenue and 1.68% of profit [10][14] - Scenario 4: If the average contribution base exceeds the average wage of regulated enterprises in 2023, 3,671 companies would need to back pay 165.7 billion yuan, representing 0.23% of revenue and 3.16% of profit [10][14] Industry Impact - Industries with a high potential for back payments, where the measurement error is controllable, include environmental protection, textile and apparel, agriculture, forestry, animal husbandry, fishery, and social services [16][17]