Production possibility frontiers
An opportunity cost will usually arise whenever an economic agent chooses between…
Samuelson’s three questions
America’s first Nobel Prize winner for economics, the late Paul Samuelson, is often…
Choice and opportunity cost
Choice and opportunity cost are two fundamental concepts in economics. Given that resources are limited,…
The economic problem
All societies face the economic problem, which is the problem of how to…
The role of money in exchange
Money occupies a central role in market economies because it acts as…
Types of production
Production is undertaken by firms, also known as enterprises, or businesses. There…
Factors of production
Production involves the creation of goods and services by using scarce resources.…
Economic exchange
Economic behaviour involves the exchange of one scarce resource for another. When…
Positive and normative economics
As a social science, economics attempts to use the principles and methods…
The role of the professional economist
Professional economists apply their skills of description, analysis, model building, and prediction…


