The two primary (one word) of the fed are securities and loans to commercial banks and thrifts.

ABC's of Banking

Provided by the State of Connecticut, Department of Banking, based on information from the Conference of State Bank Supervisors (CSBS) 

Banks, Thrifts, and Credit Unions - What's the Difference?

There are three major types of depository institutions in the United States. They are commercial banks, thrifts (which include savings and loan associations and savings banks) and credit unions.

These three types of institutions have become more like each other in recent decades, and their unique identities have become less distinct. They still differ, however, in specialization and emphasis, and in their regulatory and supervisory structures.

Commercial banks are the traditional "department stores" of the financial services world. Thrift institutions and credit unions are more like specialty shops that, over time, have expanded their lines of business to better compete for market share. (Connecticut law, in fact, grants thrifts the same powers as commercial banks).

Commercial banks are generally stock corporations whose principal obligation is to make a profit for their shareholders. Basically, banks receive deposits, and hold them in a variety of different accounts; extend credit through loans and other instruments: and facilitate the movement of funds. While commercial banks mostly specialize in short-term business credit, they also make consumer loans and mortgages, and have a broad range of financial powers. Their corporate charters and the powers granted to them under state and federal law determine the range of their activities.

States and the federal government each issue bank charters. State-chartered banks operate under state supervision and, if they fail, are closed under provisions of state as well as federal law. National banks are chartered and regulated by the Office of the Comptroller of the Currency (OCC), a division of the Treasury Department. Banks can choose between a state or a federal charter when starting their business, and can also convert from one charter to another after having been in business. Commercial banks receive deposit insurance from the Federal Deposit Insurance Corporation (FDIC) through the Bank Insurance Fund (BIF). All national banks, and some state-chartered banks, are members of the Federal Reserve System.

Savings and loan associations and savings banks specialize in real estate lending, particularly loans for single-family homes and other residential properties. They can be owned by shareholders ("stock" ownership), or by their depositors and borrowers ("mutual" ownership). These institutions are referred to as "thrifts," because they originally offered only savings accounts, or time deposits. Over the past two decades, however, they have acquired a wide range of financial powers, and now offer checking accounts (demand deposits) and make business and consumer loans as well as mortgages.

Both savings and loan associations and savings banks may be chartered by either the federal Office of the Comptroller of the Currency (OCC) or by a state government regulator. Generally, savings and loan associations are insured by the Savings Association Insurance Fund (SAIF), and savings banks are insured by the Bank Insurance Fund (BIF).

Savings institutions must hold a certain percentage of their loan portfolio in housing-related assets to retain their charter, as well as their membership in the Federal Home Loan Bank System. This is called the "qualified thrift lender" (QTL) test. Savings institutions must maintain 65% of their portfolio in housing-related or other qualified assets to maintain their status. Recent liberalization of the QTL test has allowed thrifts to use some non-housing assets to meet this requirement.

The number of thrifts declined dramatically in the late 1980s and early 1990’s. The savings and loan crisis of the 1980s forced many institutions to close or merge with others, at an extraordinary cost to the federal government. However, there was a resurgence of interest in the thrift charter in following years. The recapitalization of the thrift fund, a revitalized industry and legislative changes made the charter – once thought doomed to extinction – an appealing route to financial modernization for some. Due to liberalization of the qualified thrift lender test, many insurance companies and securities firms, as well as commercial firms, are now able to qualify as unitary thrift holding companies and to own depository institutions, bypassing prohibitions in the Glass Steagall Act and the Bank Holding Company Act. Critics of a revitalized thrift charter have said that it has advantaged a certain class of financial institutions, highlighting the need for broader financial modernization through federal legislation.

Credit unions are cooperative financial institutions, formed by groups of people with a "common bond." These groups of people pool their funds to form the institution's deposit base; the group owns and controls the institution together. Membership in a credit union is not open to the general public, but is restricted to people who share the common bond of the group that created the credit union. Examples of this common bond are working for the same employer, belonging to the same church or social group, or living in the same community. Credit unions are nonprofit institutions that seek to encourage savings and make excess funds within a community available at low cost to their members.

Credit unions accept deposits in a variety of accounts. All credit unions offer savings accounts, or time deposits; the larger institutions also offer checking and money market accounts. Credit unions' financial powers have expanded to include almost anything a bank or savings association can do, including making home loans, issuing credit cards, and even making some commercial loans. Credit unions are exempt from federal taxation and sometimes receive subsidies, in the form of free space or supplies, from their sponsoring organizations.

Credit unions were first chartered in the U.S. in 1909, at the state level. The federal government began to charter credit unions in 1934 under the Farm Credit Association, and created the National Credit Union Administration (NCUA) in 1970. States and the federal government continue to charter credit unions; almost all credit unions are insured by the National Credit Union Share Insurance Fund, which is controlled by the NCUA. In Connecticut, state-chartered credit unions are supervised by the Department of Banking, Financial Institutions Division.

Connecticut law allows for various types of specialized bank charters within these broad categories. For more information on particular charter types, see our page on organizing a bank.

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