Khan Academy
Khan Academy: Lesson Summary: The Production Possibilities Frontier
Production Possibilities Curve (PPC) also called a Production Possibilities Frontier)is a graphical model that represents all of the different combinations of two goods that can be produced; the PPC captures scarcity of resources and...
Robert Schenk, PhD
Cyber Economics: Measuring the Economy Inflation
This site from the St. Joseph's College provides an explanation of inflation, including a section on how to calculate a consumer price index.