Department of Economics and Finance
Seattle University
Professor: Rapach
Spring 2003
ECON-271-03
Principles of Economics--Macroeconomics


Chapter Outline for “Chapter 1 – Ten Principles of Economics,” N. Gregory Mankiw, Principles of Macroeconomics, Third edition (New York, N.Y.: Harcourt, 2004)


HOW PEOPLE MAKE DECISIONS

PRINCIPLE #1: PEOPLE FACE TRADEOFFS

efficiency the property of society getting most it can from its scarce resources

equity the property of distributing economic prosperity fairly among the members of society

PRINCIPLE #2: THE COST OF SOMETHING IS WHAT YOU GIVE UP TO GET IT

opportunity cost whatever must be given up to obtain some item

PRINCIPLE #3: RATIONAL PEOPLE THINK AT THE MARGIN

marginal changes small incremental adjustments to a plan of action

PRINCIPLE #4: PEOPLE RESPOND TO INCENTIVES


HOW PEOPLE INTERACT

PRINCIPLE #5: TRADE CAN MAKE EVERYONE BETTER OFF

PRINCIPLE #6: MARKETS ARE USUALLY A GOOD WAY TO ORGANIZE ECONOMIC ACTIVITY

market economy an economy that allocates resources through the decentralized decisions of many firms and households as they interact in markets for goods and services

PRINCIPLE #7: GOVERNMENTS CAN SOMETIMES IMPROVE MARKET OUTCOMES

market failure a situation in which a market left on its own fails to allocate resources efficiently

externality the impact of one person's actions on the well-being of a bystander

market power the ability of a single economic actor (or small group of actors) to have a substantial influence on market prices


HOW THE ECONOMY AS A WHOLE WORKS

PRINCIPLE #8: A COUNTRY’S STANDARD OF LIVING DEPENDS ON ITS ABILITY TO PRODUCE GOODS AND SERVICES

productivity the quantity of goods and services produced from each hour of a worker's time

PRINCIPLE #9: PRICES RISE WHEN THE GOVERNMENT PRINTS TOO MUCH MONEY

inflation an increase in the overall level of prices in the economy

PRINCIPLE #10: SOCIETY FACES A SHORT-RUN TRADEOFF BETWEEN INFLATION AND UNEMPLOYMENT

Phillips curve the short-run tradeoff between inflation and unemployment


CONCLUSION


Questions for Review: 2, 8

Problems and Applications: 3, 7, 12, 14