the TC with respect to Q, and the derivative is the slope of the tangent line. • Demand Substitute: When price of X falls, Demand of Y falls • Demand Complement: Price of X falls, the demand for Y increases o Printer and ink • Shifting of the DEMAND and SUPPLY curve o Shift of the Supply Curve: When the cost of production changes. • Better technology, change of input costs • With a price increase, if the supply goes down it is likely coming from a supply shock • Estimating Demand curves: Looks…
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