简答题

What do you think are the defining characteristics of a science? Do you think macroeconomics should be called a science? Why or why not?

简答题  Explain the difference between macroeconomics and microeconomics. How are these two fields related?

简答题 How often does the price you pay for a haircut change? What does your answer imply about the usefulness of market-clearing models for analyzing the market for haircuts?

简答题 List three macroeconomic issues that have been in the news lately.

简答题  Why do economists build models?

简答题 List the two things that GDP measures. How can GDP measure two things at once?

简答题 What is a market-clearing model? When is it appropriate to assume that markets clear?

简答题 What are the four components of GDP? Give an example of each.

简答题  Use the model of supply and demand to explain how a fall in the price of frozen yogurt would
affect the price of ice cream and the quantity of ice cream sold. In your explanation, identify the exogenous and endogenous variables.