Describe the
Explanation of Solution
Macroeconomic models are also toy versions of the real world that contain the key moving parts to give us an idea about how the real world really works.
In order to generate real insights, a model of ice cream production only needs a few key features in common with the real economy. For example, the more the workers, more ice cream can be produced, and if there are more machines, then more ice cream can be produced. If one gets a new idea for developing machines, then even more ice cream can be made with less number of workers.
In this case, the model can easily capture positive and diminishing returns to a factor, constant returns to scale, and increasing returns to ideas, but it is extremely simple. It helps one to forget unnecessary details about real life such as human emotions, the need for health care and nutrition, the distribution of income, natural resources, and so forth. Economics has progressed as a science when it has left things out.
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Chapter 4 Solutions
EBK MACROECONOMICS (FOURTH EDITION)
- What steps are involved in developing and testing an economic theory or model? What are the criteria for a useful theory or model?arrow_forwardDefine economics in terms of wealtharrow_forwardExplain the three types of macroeconomic policies that can be used to intervene in economies? what goals are pursued on our behalf?arrow_forward
- Identify each of the following topics as being part of microeconomics or macroeconomics: the impact of tax policy on national saving (a) macroeconomics (b) microeconomicsarrow_forwardwhat are some real-life examples of macroeconomics?arrow_forwardDiscuss the methods and objectives of macroeconomic analysis.arrow_forward
- What is macroeconomics?arrow_forwardWhich of the following is a major macroeconomic goal of nearly every society? increasing government spending decreasing the prices of resources providing free health care to the unemployed O increasing the amount of economic growtharrow_forwardWhich of the following are domestic economic factors you would consider for macroeconomic analysis ? Gross domestic product Unemployment rates inflation and interest rate Consumer sentiment All of the abovearrow_forward
- Economics (MindTap Course List)EconomicsISBN:9781337617383Author:Roger A. ArnoldPublisher:Cengage Learning