Moment
A guarantee arrives at the bank counter
United States, January 1, 1934; federal deposit insurance takes effect
After the banking crises of the Great Depression, federal deposit insurance began covering deposits at participating American banks. The initial limit was $2,500. A customer no longer had to treat every rumor about a covered bank as a possible threat to the whole of an insured balance.
- Date
- January 1, 1934
- Initial coverage
- Up to $2,500
- Institution
- FDIC
The caveat
The start of insurance illustrates the incentive tradeoff, not a controlled experiment measuring moral hazard. Banking conditions changed for many reasons during the recovery; a single before-and-after comparison cannot isolate the guarantee's effects.
The new guarantee changed the relationship between depositors and banks. It offered protection and confidence while making public oversight more consequential. The FDIC's historical record describes examinations of banks seeking admission before the system began. Insuring the public and examining the institutions were connected parts of the arrangement.
How it connects
Federal insurance changed what a depositor stood to lose when a bank failed.
This moment appeared in What protection changes, the Involves connection for September 14, 2026, which asked: Can making people safer encourage someone else to take more risk?
Check yourself
What changed on January 1, 1934?
Federal insurance began covering eligible deposits within its initial limit. Exactly. The guarantee protected covered deposits; it did not make banks incapable of failure.
What the sources establish
FDIC insurance began on January 1, 1934 with an initial $2,500 limit; examinations preceded admission.
Sources
1930–1939 (Federal Deposit Insurance Corporation), June 16, 1933 and January 1, 1934 timeline entries
1934 Annual Report (Federal Deposit Insurance Corporation), Bank Examinations; admission examinations and capital rehabilitation