Glass–Steagall Act

The Glass–Steagall legislation describes four provisions of the U.S. Banking Act of 1933 separating commercial and investment banking. The article 1933 Banking Act describes the entire law, including the legislative history of the provisions covered here.

(The common name comes from the names of the Congressional sponsors, Senator Carter Glass and Representative Henry B. Steagall. A separate 1932 law described in the article Glass–Steagall Act of 1932, had the same sponsors, and is also referred to as the Glass–Steagall Act.)

The separation of commercial and investment banking prevented securities firms and investment banks from taking deposits, and commercial Federal Reserve member banks from:

Starting in the early 1960s, federal banking regulators interpretations of the Act permitted commercial banks, and especially commercial bank affiliates, to engage in an expanding list and volume of securities activities. Congressional efforts to "repeal the Glass–Steagall Act", referring to those four provisions (and then usually to only the two provisions that restricted affiliations between commercial banks and securities firms), culminated in the 1999 Gramm–Leach–Bliley Act (GLBA), which repealed the two provisions restricting affiliations between banks and securities firms.

By that time, many commentators argued Glass–Steagall was already "dead". Most notably, Citibank's 1998 affiliation with Salomon Smith Barney, one of the largest US securities firms, was permitted under the Federal Reserve Board's then existing interpretation of the Glass–Steagall Act. President Bill Clinton publicly declared "the Glass–Steagall law is no longer appropriate".

Many commentators have stated that the GLBA's repeal of the affiliation restrictions of the Glass–Steagall Act was an important cause of the financial crisis of 2007–08. Economists at the Federal Reserve, such as Ben Bernanke, have argued that the activities linked to the financial crisis were not prohibited (or, in most cases, even regulated) by the Glass–Steagall Act.

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