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...

This paper surveys the theory on zombie lending incentives and the consequences of zombie lending for the real economy. It also offers a historical perspective by reviewing the growing empirical evidence on zombie lending along three dimensions: (i) the role of under-capitalized banks, (ii)...