Based on archival and survey data we show that the maturity of U.S. business loans has been continuously increasing since the mid-1930s when banks invented the term loan. Concurrently, bank innovation first involved the invention of credit analysis and covenant design. Later, bank innovation...

Based on archival and survey data we show that the maturity of U.S. business loans has been continuously increasing since the mid-1930s when banks invented the term loan. Concurrently, bank innovation first involved the invention of credit analysis and covenant design. Later, bank innovation...