**Lynne Pepall *, PhD, is a professor of economics at Tufts University. She has taught microeconomics at both graduate and undergraduate levels since 1987.Peter Antonioniis a senior teaching fellow at the Department of Management Science and Innovation, University College, London, and coauthor of Ec...

**Lynne Pepall *, PhD, is a professor of economics at Tufts University. She has taught microeconomics at both graduate and undergraduate levels since 1987.Peter Antonioniis a senior teaching fellow at the Department of Management Science and Innovation, University College, London, and coauthor of Economics For Dummies *, 2nd UK Edition.

Manzur Rashid , PhD, is a lecturer at New College of the Humanities, where he covers second-year micro- and macroeconomics.