ECON 20A Lecture 2: Thinking Like An Economist

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11 May 2017
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Econ 20a- lecture 2- chapter 2: thinking like an economist. Principles #6- markets are a good way to organize economic activity. Decentralized- markets let people trade with each other. Ex ( from above): trading will benefit both. No one is making the decision itself. The interaction of buyers and sellers determines prices. Each price reflects the good"s value to buyers and the cost of producing the good. Principle #7: governments can sometimes improve outcomes in market. Causes of failure- reduce efficiency in production. Externality: shoe company makes shoes and sells it, but it also creates an pollution that will affect everyone. Market power: an unique company raises the price to extreme since it"s unique. Need to government to adjust the price. Ex: welfare programs to support in needed citizens. Trying to understand what happened if one changes. Ex: unemployment rate is 7% which is the fact. Some economists will say yes; some will say no.

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