Firm Sustainable Growth during the COVID-19 Pandemic: The Role of Customer Concentration

Due to the spread of coronavirus disease 2019 (COVID-19), business environmental uncertainty, a restricted flow of personnel and materials, and changes in consumer demand have impacted business operations and financial performance. This study investigates the relationship between COVID-19, customer concentration, and sustainable growth based on data from listed companies in China. The results reveal that COVID-19 has had a negative impact on sustainable growth, but customer concentration can mitigate this negative association. By emphasizing the moderating effect of customer concentration on the relationship between COVID-19 and sustainable growth, this study provides new insights for firms who are seeking to mitigate the negative shocks of COVID-19 and promote sustainable development.