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The basic tool that economist use to analyze how changes in economic events, e.g., raising the drinking age, increasing the gasoline tax, affect the market for the impacted good or service. Each market is comprised of both producers, those offering (supplying) the good, and consumers, those who buy (demand) the good. These tutorials should assist you in better understanding Supply.

Below are a number of links to both white board presentations from the Khan Academy concerning Supply:

  • Law of Supply
  • Factors Affecting Supply

  • and video lectures:

  • The Determinants of Supply
  • Changes in Supply and Shifts of the Supply Curve