1723 – 1790
Adam Smith was a Scottish economist and philosopher who was a pioneer in the field of political economy and key figure during the Scottish Enlightenment. Seen by many as the "father of economics", or the "father of capitalism", he is primarily known for two classic works: The Theory of Moral Sentiments (1759) and An Inquiry into the Nature and Causes of the Wealth of Nations (1776). The latter, often abbreviated as The Wealth of Nations, is regarded as his magnum opus, marking the inception of modern economic scholarship as a comprehensive system and an academic discipline. Smith refuses to explain the distribution of wealth and power in terms of divine will and instead appeals to natural, political, social, economic, legal, environmental and technological factors, as well as the interactions among them. The work is notable for its contribution to economic theory, particularly in its exposition of the concept of absolute advantage.
Born in Kirkcaldy, Fife, he studied social philosophy at the University of Glasgow and at the University of Oxford, where he was one of the only students to benefit from scholarships set up by John Snell. Following his graduation, he delivered a successful series of public lectures at the University of Edinburgh, that met with acclaim. This led to a collaboration with David Hume during the Scottish Enlightenment. Smith obtained a professorship at Glasgow, where he taught moral philosophy. During this period, he wrote and published The Theory of Moral Sentiments. Subsequently, he assumed a tutoring position that facilitated travel throughout Europe, where he encountered intellectual figures of his era.
In response to the prevailing policy of safeguarding national markets and merchants through the reduction of imports and the augmentation of exports, a practice that came to be known as mercantilism, Smith laid the foundational principles of classical free-market economic theory. The Wealth of Nations was a precursor to the modern academic discipline of economics. In this and other works, he developed the concept of division of labour and expounded upon how rational self-interest and competition can lead to economic prosperity. Smith was controversial in his day and his general approach and writing style were often satirised by writers such as Horace Walpole.
The Wealth of Nations by Adam Smith remains the foundational text of modern economics and a profound inquiry into the nature of prosperity and human cooperation. Published in 1776 at the dawn of the Industrial Revolution, Smith’s work sought to explain why some nations accumulate wealth while others remain in poverty. His primary thesis is that wealth does not consist of a hoard of gold and silver as the mercantilists of his day believed but rather the total annual production of goods and services.
One of Smith’s most famous observations is the division of labor which he illustrates through the example of a pin factory. He demonstrates that when a complex task is broken down into specialized roles, productivity increases exponentially. This specialization allows workers to develop greater dexterity and saves time that would otherwise be lost transitioning between tasks. Smith argues that this efficiency is the engine of economic growth and the primary reason for the improved living standards found in developed societies.
The mechanism that coordinates this specialized labor is the market. Smith introduces the concept of the invisible hand to describe how individuals pursuing their own self-interest unintentionally promote the good of society. By seeking to maximize the value of their own labor or capital, people are led to produce the goods and services that others value most. This spontaneous order suggests that central planning is often less effective than the collective wisdom of individual actors responding to price signals.
Smith also provides a detailed analysis of the components of price, which he identifies as wages, profit, and rent. He distinguishes between the market price of a commodity and its natural price. While market prices fluctuate based on short-term supply and demand, the natural price reflects the cost of the resources required to bring the good to market. This leads into his discussion of the roles of different classes in society: the laborers who earn wages, the owners of stock who earn profit, and the landlords who earn rent.
The book is also a fierce critique of mercantilism, the prevailing economic system of the 18th century which emphasized trade surpluses and government-sanctioned monopolies. Smith argues that such restrictions on trade are counterproductive because they prevent resources from being allocated to their most efficient uses. He advocates for a system of natural liberty where trade is free and competition is encouraged. For Smith, the consumer is the ultimate beneficiary of economic activity, and any system that prioritizes the producer at the expense of the consumer is flawed.
Despite his reputation as a champion of laissez-faire capitalism, Smith was not an advocate for unchecked corporate power. He was deeply suspicious of "merchants and manufacturers" who might conspire to raise prices or limit competition. He believed the state had several essential functions: protecting society from invasion, maintaining a system of justice, and providing public goods like infrastructure and basic education that would not be profitably supplied by private individuals.
The Wealth of Nations also touches on the psychological and social impacts of the industrial system. Smith was concerned that the repetitive nature of specialized labor could stifle the intellectual and moral development of workers. This nuance shows that Smith was not merely interested in material output but also in the overall well-being of the population. He viewed the expansion of markets as a way to liberate people from the hierarchies of feudalism and provide them with greater autonomy.