世界银行-新冠肺炎疫情中中小企业和大企业的韧性：分解分析（英）-2023.9-102页_865kb

The study analyzes SME and large firm performance during the COVID-19 pandemic across 19 developing countries. SMEs faced a 12.2 percentage point steeper sales decline on average compared to large firms. Decomposition methods like Oaxaca-Blinder revealed key contributors include input supply disruptions, lower labor productivity, and regional factors. Quantile analysis shows the gap is larger for severe shocks. Policies must be tailored to address these issues and vary by region.