Economist | The Times | Ideas That Advanced Economic Thought | Impact (Positive/Negative) |
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Adam Smith (1723–1790) | American Revolution (1776); Industrial Revolution begins transforming production. | • Self-interest and competition act as an "invisible hand" regulating the market. • Division of labour increases productivity. • Accumulation of capital and population growth drive progress. | Positive: Increased support for laissez-faire capitalism. Negative: Declining support for mercantilism. Prosperity benefits industrialists more than workers. |
Thomas Robert Malthus (1766–1834) | Industrial Revolution: rapid population growth, urban migration, overcrowding, and lower living standards. | • Population grows geometrically, while food production grows arithmetically, leading to mass poverty. • Labour wages remain low due to competition for jobs. | Positive: Population studies and statistical analysis gain importance. Negative: Justifies natural "checks" on population (poverty, famine, disease). |
David Ricardo (1772–1823) | Industrial Revolution: rapid population growth, food shortages, Napoleonic Wars, and rising power of industrialists. | • Iron Law of Wages: Wages stay near subsistence level as population increases. • Comparative Advantage: Specialization and trade improve efficiency and productivity. | Positive: Encourages free trade between nations for mutual benefit. Negative: Industrialists use wage suppression to maintain profits and power. |
Karl Marx (1818–1883) | Latter part of the Industrial Revolution: workers exploited by industrialists, mass poverty, while the rich prosper. | • Laws of economics determine human history. • Class conflict leads to exploitation and rebellion (e.g., Russian Revolution 1917). • Surplus value of labour is stolen as capitalist profit. | Positive: Exposed capitalism’s flaws. Advocated for workers' rights. Negative: Led to violent uprisings and rigid communist regimes. |
John Maynard Keynes (1883–1946) | First World War, Great Depression, and Second World War. | • Government should intervene to stimulate employment, spending, and economic growth during recessions. • Use of deferred savings (war bonds) to finance war efforts. | Positive: Investment encouraged through government spending and low interest rates. Economic rebuilding fostered global stability. Negative: Government spending led to inflation and increased public debt. |
John Kenneth Galbraith (1908–2006) | Great Depression, Second World War, post-war boom, and rise of large corporations. | • Large corporations are controlled by executives rather than shareholders or consumers. • Government must regulate corporate power to protect public interests. | Positive: Government shifted spending priorities to improve social welfare. Negative: Regulation reduced corporate profits and economic efficiency. |
Milton Friedman (1912–2006) | Great Depression, Second World War, post-war economic boom, increased government spending, and inflation concerns. | • Excessive government intervention weakens the economy and increases dependency on social assistance. • Free markets are better at solving economic problems. • Government should regulate economic growth through money supply and interest rates (monetarism). | Positive: Monetarist policies influenced economic stability and free-enterprise principles. Negative: Reduced social programs, minimum wages, and public assistance. |