Of Introduction to Economics
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Errata & Document History

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April 11th, 2006 - May 6th, 2006
0.1-0.9: Working on the drafts.
May 7th, 2006
1.0: First release.
May 11th, 2006
1.01: Added a small graph to illustrate general market equilibrium, see it.
1.03: Corrected 2 tiny grammatical errors. Doesn't matter if you know it or not. :)
September 17th, 2006
1.07: Made dozens of relatively distinguishable changes including modification of the main title to better accommodate the contents.
August 33rd, 2008
2.0: The introduction of Fundamentals of Microeconomics & Fundamentals of Macroeconomics. Actually expanded the content by nearly 100%.
May 34th, 2010
2.4: A few more illustrations. They are Unemployment & Inflation, Imperfect Information and National Output & National Input.