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NEWS: Welker's Wikinomics Study Guides are available for download over at the blog. CLICK HERE to get the latest .pdf study guides for AP and IB Economics or to order the SMART Notebook files of the originals for use in your own class!


Introduction:

An experiment in learning the Wiki way, a collaborative tool for understanding the concepts from a principles of Economics course, welcome to Welker's Wikinomics. Anyone is welcome to join and contribute to this wiki, or simply use it as a study tool for your Economics course. The primary contributors are AP and IB Economics students at Shanghai American School and Zurich International School. Thanks for visiting, I hope you find the wiki useful! ~Mr. Welker

Visit Welker's Wikinomics Econ Blog and Netvibes Universe

Winner of "Best Educational Wiki 2007 Award" and the 2008 Golden Paint Can Award for Education 2.0 Wiki - Congratulations to all the students who have contributed to Welker's Wikinomics over the last two years.
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Navigate Welker's Wikinomics:
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Intro to Economics and Microeconomics Syllabus (AP Micro, IB SL/HL)
Microeconomics Wiki
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Macroeconomics Syllabus (IB SL/HL)
Macroeconomics Wiki
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International Economic Syllabus (IB SL/HL)
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Development Economics Syllabus (IB SL/HL)
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Rules of Conduct at Welker's Wikinomics:

  1. All AP Economics students as SAS are required to contribute to this site.
  2. Only constructive, well thought out and informed input is welcome. Any contributions that are inappropriate or incorrect will be either removed or corrected by students or Mr. Welker/Ms. Close.
  3. Main unit pages may not be edited by students, only topic pages within main units are for student editing.
  4. Links to external sites relevant to a particular topic are welcome.
  5. Links to news articles, websites, blogs or other wikis (such as Wikipedia) can be included in an edit if it is deemed to be useful in understanding the topic.
  6. Once each unit, every student must post a link and abstract for an article related to the unit's topics on the "AP Econ in the News Page."
  7. Once each unit, every student must also post their opinion or views on the unit's "Student Thought Forum."
  8. Graphs may be uploaded as picture files if they are deemed helpful for understanding a topic.
  9. Videos appropriate to the topics covered may be added to pages as "widgets". Inappropriate videos will be removed.
  10. Students who are not in Mr. Welker's or Ms. Close's AP Economics classes may not to contribute to Welker's Wikinomics Page without permission.



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FabienneB Is water really scarce? (page: 1 2 3) 42 Dec 15 2008, 4:14 PM EST by lkluegel
Thread started: Sep 13 2008, 4:07 PM EDT  Watch
In our economy class we learned the definition for scarcity as a good that is desirable and limited. So I asked myself the question what about wather? On our powerpoint-presentation it says that 75 per cent of the whole world is covered by water.
First of all only very little said water is fresh water. In some places fresh water is not a scarce but in other places it is - like in Africa.
The conclusion is that the decision whether a good is a scarcity or not depends on the specific and not on a general situation.
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FabienneB Long term vs. short term 6 Dec 4 2008, 4:11 PM EST by mikewilkes
Thread started: Sep 13 2008, 4:09 PM EDT  Watch
I found the following statement quite interesting: "A business owner’s decision to show more care for consumers is a decision to accept lower levels of profits.”
In a short term cause the business owner is making less profit because he has to put a lot of money into customer care programs.
But on the long term cause it will be possible for him to higher the prices of his products because the buyers are willing to pay for the additional service. Or the business owner can sell more products at the same price. So he will make more profit.
The conclusion is that decisions can show different impacts over time.
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FabienneB desicion with incomplete data 1 Nov 16 2008, 8:43 AM EST by NicholasBurnham
Thread started: Sep 13 2008, 4:10 PM EDT  Watch
We learned that choices are made based on three basic economic questions:

What should be produced?
How should things be produced?
Who should things be produced for?

One inherent problem of this decision is that it has to be made without sufficient information. Otherwise the market would be efficient. If, for instance, every farmer in an area is producing patatos and the weather is too cold then the entire production can be lost. Maybe producing corn would not have been as promising but corn might not have been as depending on the weather. So the conclusion is that to make a perfect decision is only theoretical concept and a function of the information available.

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