Circular Flow Diagram
A visual model of the economy that shows how dollars flow through markets among households and firms
Production Possibilities Frontier
PPF- a graph that shows the combinations of output that the economy can possibly produce given the available factors of production and the available production technology.
the study of how households and firms make decisions and how they interact in markets
the study of economy-wide phenomena, including inflation, unemployment, and economic growth
claims that attempt to describe the world as it is
claims that attempt to prescribe how the world should be