Suppose that the market demand and supply curves for doughnuts (good X) are given by QD = 50 – 40P + 0.03I + 10PY and QS = -150 + 60P – 10W, where P is price of X, I is the average consumer income, PY is the price of cinnamon pretzels (good Y), and W is the wage for workers producing good X.   What is the Income elasticity of demand at the market equilibrium? Are doughnuts a   normal good or inferior good?   Suppose that I = $5,000 and PY = $5. What is the demand curve for good X?   Suppose that W = $10 (per hour). What is the supply curve for good X?   DO NUMBER 1 !!!!!

Macroeconomics
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ISBN:9781337617390
Author:Roger A. Arnold
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Chapter5: Supply, Demand, And Price: Applications
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Suppose that the market demand and supply curves for doughnuts (good X) are given by QD = 50 – 40P + 0.03I + 10PY and QS = -150 + 60P – 10W, where P is price of X, I is the average consumer income, PY is the price of cinnamon pretzels (good Y), and W is the wage for workers producing good X.

 

What is the Income elasticity of demand at the market equilibrium? Are doughnuts a

 

normal good or inferior good?

 

Suppose that I = $5,000 and PY = $5. What is the demand curve for good X?

 

Suppose that W = $10 (per hour). What is the supply curve for good X?

 

DO NUMBER 1 !!!!!

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