Question

what's the price of X in equilibrium...


Imagine the market for Good X has a demand function of Qdx = 200 – 2Px – Py + .1M and a supply function of Qsx = 2Px – 2Pw, where Px is the price of Good X, Py is the price of Good Y, and M is the average consumer income. Pw is the price of Good W, which is an input to the production of Good X. If Py = 10, Pw = 50, M = $2700, what's the price of X in equilibrium?

Answer

At equilibrium, Demand = Supply

Economics homework question answer, step 2, image 1

Therefore, the equilibrium price of good X is $140.

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