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Logo for Macroeconomics
The purpose of this topic is to look at the nature and purpose of the science of economics. The methodology is studied. A distinction is made between positive (or descriptive) economics and normative (or political) economics. Different branches of economics are classified. Some pitfalls of economic analysis are mentioned.
Material Type: Open Textbook
Technical Format: HTML/Text
Date Added to MERLOT: October 06, 2008
Date Modified in MERLOT: June 11, 2014
Submitter: Judy Baker
Keywords: Macroeconomics, Economics


  • Reviewed by members of Editorial board for inclusion in MERLOT.
    Editor Review (not reviewed)
  • User review 3 average rating
  • User Rating: 3 user rating
  • Discussion (1 Comment)
  • Learning Exercises (none)
  • Personal Collections (12)
  • Accessibility Info (none)


Primary Audience: College General Ed
Mobile Compatibility: Not specified at this time
Technical Requirements: Browser with Cookies enabled Internet connection
Language: French, English, Russian, German, Arabic, Spanish
Cost Involved: no
Source Code Available: unsure
Accessiblity Information Available: unsure
Creative Commons: Creative Commons License
This work is licensed under a Attribution-NonCommercial-ShareAlike 3.0 United States


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Discussion for Macroeconomics

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Avatar for David Chester
33 weeks ago

David Chester (Faculty)

It is not clear from the introduction whether this book is about micro- or macro-economics. The list of chapters are definately macro- subjects but (and in common with so many others) the start is one of mixing these two subjects, admittingly after they are defined. Students of economics need to appreciate that macroeconomics is not simply scalled-up microeconomics, but that it requires a distant view taken of the system to cover it in a comprehensive way. The "trick" is to do this using the least amount of complication and detail. Very few writers have achieved this, and John Petroff is one who has not managed it. When properly done, the resulting model should be fully comprehensive and include all of the 19 possible different specific kinds of activities performed within our social system.

The model which I use and recommend may be found in Wikimedia, commons, macroeconomics, as:  DiagFunMacroSyst.pdf . It also included in the Merlot Diagrams/figures/photographs

It will need to be enlarged in order to identify all 19 double flows of money, goods etc., as noted in the above comment.


Time spent reviewing site: 5 minutes.