Short Answer

Economics is defined differently by various economists based on their views about human behaviour and resources. Some economists focus on wealth, some on human welfare, and some on choice under scarcity. These definitions show how economics is a changing and developing subject.

In simple words, different economists have explained economics in different ways, but all agree that it deals with how people use limited resources to satisfy their needs and wants. Their ideas help us understand economics from different perspectives.

Detailed Explanation:

Economics defined by different economists

Definitions of Economics by Different Economists

Economics is a social science, and its meaning has changed over time. Different economists have given different definitions based on their thinking, time period, and focus areas. These definitions can be grouped into three main types: wealth definition, welfare definition, and scarcity or choice definition.

Wealth Definition by Adam Smith

Adam Smith is known as the father of economics. He defined economics in his famous book The Wealth of Nations. According to him, economics is the study of wealth. He believed that the main aim of economics is to understand how a nation’s wealth is created and increased.

Adam Smith focused mainly on production, trade, and wealth creation. He explained that when people work freely and follow self-interest, it leads to economic growth. However, his definition was criticized because it gave too much importance to wealth and ignored human welfare.

This definition was the earliest and helped in developing economics as a separate subject, but it was considered limited because it did not focus on human well-being.

Welfare Definition by Alfred Marshall

Alfred Marshall improved the definition of economics. He shifted focus from wealth to human welfare. According to Marshall, economics is the study of mankind in the ordinary business of life. It examines how people earn and use income to satisfy their material needs.

Marshall explained that economics is not only about wealth but also about how wealth affects human well-being. He said that economics is concerned with both material wealth and human welfare. His definition made economics more human-centered and practical.

However, Marshall’s definition was also criticized because it focused mainly on material welfare and ignored non-material aspects like happiness, social relationships, and moral values.

Scarcity Definition by Lionel Robbins

Lionel Robbins gave a modern and widely accepted definition of economics. According to him, economics is the science which studies human behaviour as a relationship between unlimited wants and scarce means which have alternative uses.

Robbins focused on the problem of scarcity. He explained that human wants are unlimited, but resources are limited. Because of this, people must make choices. Economics studies how these choices are made.

This definition is considered scientific and universal because it applies to all situations and countries. It does not depend on wealth or welfare but focuses on decision-making and scarcity.

However, some critics say that Robbins’ definition is too technical and ignores human welfare and social aspects.

Growth Definition by Paul Samuelson

Paul Samuelson gave a more modern and comprehensive definition. According to him, economics is the study of how people and society choose, with or without money, to use scarce productive resources to produce various goods and distribute them for consumption.

Samuelson’s definition combines both scarcity and welfare. It explains that economics deals with production, consumption, and distribution of goods and services. It also considers both market and non-market activities.

His definition is widely accepted today because it is complete and balanced. It includes both individual and social aspects of economics.

Comparison of Definitions

The different definitions of economics show how the subject has developed over time. Adam Smith focused on wealth, Alfred Marshall focused on welfare, Lionel Robbins focused on scarcity and choice, and Paul Samuelson combined all these ideas into a modern definition.

Each definition is important because it adds a new dimension to understanding economics. Together, they show that economics is not just about money or wealth, but also about human behaviour, welfare, and decision-making under scarcity.

Economics today is seen as a dynamic subject that helps individuals, businesses, and governments make better choices in different situations.

Conclusion

Economics is defined differently by different economists based on their views and time periods. From Adam Smith’s wealth-based definition to Robbins’ scarcity-based definition and Samuelson’s modern approach, economics has evolved into a complete social science. These definitions together help us understand that economics is about wealth, welfare, and choice under scarcity.