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α: calibrated so average coauthorship-adjusted count equals average raw count
During the Progressive Era (1900–29), economic growth was rapid but volatile. Boom and busts witnessed the formation and failure of tens of thousands of firms and thousands of banks. This essay uses new data and methods to identify causal links between failures of banks and bankruptcies of firms. Our analysis indicates that bank failures triggered bankruptcies of firms that depended upon banks for ongoing access to commercial credit. Firms that did not depend upon banks for credit did not fail in appreciably larger numbers after banks failed.