This document provides an introduction to basic economics concepts. It defines economics as the study of how people produce and exchange goods and services. It explains that a market is where voluntary exchanges occur and that a market economy allows goods and services to be exchanged freely. It notes that scarcity exists because resources are limited and cannot satisfy all wants. It identifies the four basic types of resources as natural resources, human resources, capital resources, and entrepreneurship. It also defines the concepts of opportunity cost, trade-offs, macroeconomics, and microeconomics.