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Macro Economy as a whole. Representative topics: level and growth of total output, inflation, employment. Micro Markets considered separately. Representatitive topics: specific labor markets (e.g. market for nurses), oil prices, monopolies. Macro vs. Micro.
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Macro Economy as a whole. Representative topics: level and growth of total output, inflation, employment. Micro Markets considered separately. Representatitive topics: specific labor markets (e.g. market for nurses), oil prices, monopolies. Macro vs. Micro
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Thinking Like an Economist Chapter 1 Week 1
Rationality Assumption People have well-defined goals and try to fulfil them the best they can.
Scarcity Principle No free lunch. Boundless needs and wants.
Concept of Cost • Dollar costs (seen) • Opportunity costs (unseen) • Sunk costs (out of sight—forget about them!)
Cost Benefit Principle An action is taken if marginal benefit exceeds marginal cost.
Decision Pitfalls • Measuring costs or benefits proportionally. • Ignoring opportunity costs. • Ignoring sunk costs. • Using average instead of marginal costs and benefits.
Current Statistics U.S. GDP (2005) 12,485,725,000,000 Unemployment 07/06 4.8% Inflation 07/06 4.1% Growth 2005 3.2%