The document provides an overview of key economic concepts including:
1) Economics is the study of how scarce resources are allocated to satisfy unlimited wants.
2) Microeconomics examines decision-making of individuals and firms while macroeconomics looks at the whole economy.
3) Ceteris paribus means all other things remain equal while one variable is changed.
4) Scarcity, choice, opportunity cost, and the factors of production (land, labor, capital and entrepreneurship) are basic economic concepts.
5) Graphs, marginal analysis, production possibilities curves, technology, and the three basic economic problems (what, how, and for whom to produce) are also introduced.