The financial sector is a key industry in developed economies, in which it represents a sizable share of the
GDP and an important source of employment.
Financial services (
banking,
insurance, investment, etc.) have been for a long time a powerful sector of the economy in many economically developed countries. Those activities have also played a key role in facilitating
economic globalization.
Early 20th century history in the United States As early as the beginning of the 20th Century, a small number of financial sector firms have controlled the lion's share of wealth and power of the financial sector. The notion of an American "financial oligarchy" was discussed as early as 1913. In an article entitled "Our Financial Oligarchy,"
Louis Brandeis, who in 1913 was appointed to the
United States Supreme Court, wrote that, "We believe that no methods of regulation ever have been or can be devised to remove the menace inherent in private monopoly and overwhelming commercial power" that is vested in U.S. finance sector firms. There were early investigations of the concentration of the economic power of the U.S. finance sector, such as the
Pujo Committee of the
U.S. House of Representatives, which in 1912 found that control of credit in America was concentrated in the hands of a small group of Wall Street firms that were using their positions to accumulate vast economic power. When in 1911
Standard Oil was broken up as an illegal monopoly by the U.S. government, the concentration of power in the U.S. financial sector was unaltered. Key players of financial sector firms also had a seat at the table in devising the Central Bank of the United States. In November 1910, the five heads of the country's most powerful finance sector firms gathered for a secret meeting on
Jekyll Island with U.S. Senator
Nelson W. Aldrich and Assistant Secretary of the
U.S. Treasury Department A. Piatt Andrew and laid the plans for the U.S.
Federal Reserve System.
Deregulation and accelerated growth In the 1970s, the financial sector comprised slightly more than 3% of total
Gross Domestic Product (GDP) of the U.S. economy, while total financial assets of all investment banks (that is, securities broker-dealers) made up less than 2% of U.S. GDP. The period from the
New Deal through the 1970s has been referred to as the era of "boring banking" because banks that took deposits and made loans to individuals were prohibited from engaging in investments involving creative
financial engineering and
investment banking. U.S. federal deregulation in the 1980s of many types of banking practices paved the way for the rapid growth in the size, profitability, and political power of the financial sector. Such financial sector practices included creating private
mortgage-backed securities, and more speculative approaches to creating and trading
derivatives based on new quantitative models of risk and value. Wall Street ramped up pressure on the
United States Congress for more deregulation, including for the repeal of
Glass-Steagall, a New Deal law that, among other things, prohibits a bank that accepts deposits from functioning as an investment bank since the latter entails greater risks. As a result of this rapid financialization, the financial sector scaled up vastly in the span of a few decades. In 1978, the financial sector comprised 3.5% of the American economy (that is, it made up 3.5% of U.S. GDP), but by 2007 it had reached 5.9%. Profits in the American financial sector in 2009 were six times higher on average than in 1980, compared with non-financial sector profits, which on average were just over twice what they were in 1980. Financial sector profits grew by 800%, adjusted for inflation, from 1980 to 2005. In comparison with the rest of the economy, U.S. nonfinancial sector profits grew by 250% during the same period. For context, financial sector profits from the 1930s until 1980 grew at the same rate as the rest of the American economy. By way of illustration of the increased power of the financial sector over the economy, in 1978, commercial banks held $1.2 trillion (million million) in assets, which is equivalent to 53% of the GDP of the United States. By year's end 2007, commercial banks held $11.8 trillion in assets, which is equivalent to 84% of U.S. GDP. Investment banks (securities broker-dealers) held $33 billion (thousand million) in assets in 1978 (equivalent to 1.3% of U.S. GDP), but held $3.1 trillion in assets (equivalent to 22% U.S. GDP) in 2007. The securities that were so instrumental in triggering the
2008 financial crisis, asset-backed securities, including
collateralized debt obligations (CDOs) were practically non-existent in 1978. By 2007, they comprised $4.5 trillion in assets, equivalent to 32% of the U.S. GDP.
Welfare state and financialization Beyond regulatory changes, the underlying structure of welfare states has been found to significantly influence patterns of financialization. Research examining OECD countries suggests this relationship depends on the functional composition of social spending rather than aggregate welfare generosity. Certain welfare programs promote financialization by creating investable assets, while others reduce household dependence on financial markets. Generous
pay-as-you-go public
pension systems crowd out private pension savings, as workers expecting public retirement benefits save less privately. Family benefits and sickness insurance providing direct income support similarly reduce household engagement with financial markets. Healthcare spending in systems relying on private insurance generates revenue streams that become tradeable assets, contributing to an "
asset economy" where
wealth inequality increasingly reflects asset ownership rather than income disparities. ==The development of leverage and financial derivatives==