, with the sharpest drop in the most recent period, while scores remain stable and concentration falls sharply between the …-to-year movement in regional representation. Robust regressions confirm that prices are lower in periods with lower concentration. The …

concentration in AI is not a contingent outcome of market imperfections, but an endogenous feature of the underlying technological … reinforce barriers to entry and concentration. Taken together, the paper provides a unified framework linking technological … trajectories, industrial concentration, and value appropriation, offering a structurally grounded interpretation of the …

. This study examines the impact of supply chain concentration on green innovation in Chinese manufacturing firms listed on … the A-share market from 2011 to 2022. The results show that increased supplier concentration hinders green innovation …, while increased customer concentration facilitates it. Supplier concentration has a stronger dampening effect for firms with …

This paper examines the relationship between labour market concentration and wage inequality using global survey data … for the period 2006-2022. The results show that higher labour market concentration is associated with higher wage … labour market concentration and wage inequality is stronger in developing countries than in developed countries. …