01:220:102 Lecture Notes - Lecture 2: Scientific Method, Opportunity Cost, Absolute Advantage

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17 May 2018
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1. Economics Defined
1. Economics
1. A social science that studies how resources are used and is often
concerned with how resources can be used to their fullest potential
2. Macroeconomics versus Microeconomics
1. Macroeconomics
1. Involves economic problems encountered by the nation as a whole
2. Microeconomics
1. Concerned with the economic problems faced by individual units
within the overall economy (families, individuals, firms)
3. Positive versus Normative Economics
1. Positive Economics
1. Based on the scientific method
1. hypotheses formulated and tested with experiments
2.
3. Normative Economics
1. Involves value judgments and opinions
2. Based on the way someone believes things ought to be
3. No scientific investigation involved
4. Resources
1. Resource
1. Anything that can be used to produce a good or service
2. Categories
1. Land
1. all natural resources
2. Labor
1. all human attributes that are productive
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