Using data involving customer-supplier relationships and a large sample of U.S. publicly listed firms, our study documents a negative and statistically significant relationship between economic-policy uncertainty and firms’ customer-base concentration. The negative relation is predominant in...

Using the staggered corporate income tax changes across US states, we find that tax increases in states where customers operate significantly reduce their suppliers’ return on assets, and operating and gross profit margins. Such effect is more pronounced for suppliers who have high sales...

We investigate whether labor unionization of customer firms affects the operating performance of their dependent suppliers. Using a sample of U.S. union elections, our regression discontinuity tests show that passing a union election leads to a 6.9 percentage-point decline in supplier operating...