A complete demand function for Titan Watch is given by the following equation: - 𝑄𝑑 = −30𝑃 + 0.05𝑌 + 2 Pr + 4𝑇 Where, P=Price of Titan Watch, Y=Income, Pr= Price of related goods, T= Taste and 𝑄𝑑= Quantity demand for watch. (i) Draw demand curve assuming Y= 5000, Pr = 25 and T=30. (ii) What will happen if T increases to 40? Show it graphically
(i) If Y = 5000, Pr = 25 and T=30, then the demand function is:
so the demand curve is a downward-sloping line.
(ii) If T increases to 40, then:
Qd = 460 - 30P, so the demand will increase and the demand curve will shift upward.
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