Short Answer 2 Consider the market equilibrium model on the regression practice prob- lems where prices and quantities are determined jointly by the intersection of the supply and demand curves. We showed that, in this case, OLS of Q on P does not recover the supply nor demand elasticity. A solution to this endogeneity problem is an instrument. One popular instrument for a firm's price setting decision is the characteristics of products produced by rival firms. Why do you think such an instrument would be relevant? Do you think such an instrument would satisfy the exclusion restriction? Why?

Understanding Business
12th Edition
ISBN:9781259929434
Author:William Nickels
Publisher:William Nickels
Chapter1: Taking Risks And Making Profits Within The Dynamic Business Environment
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Short Answer 2 Consider the market equilibrium model on the regression practice prob-
lems where prices and quantities are determined jointly by the intersection of the supply and
demand curves. We showed that, in this case, OLS of Q on P does not recover the supply
nor demand elasticity. A solution to this endogeneity problem is an instrument.
One popular instrument for a firm's price setting decision is the characteristics of products
produced by rival firms. Why do you think such an instrument would be relevant? Do you
think such an instrument would satisfy the exclusion restriction? Why?
Transcribed Image Text:Short Answer 2 Consider the market equilibrium model on the regression practice prob- lems where prices and quantities are determined jointly by the intersection of the supply and demand curves. We showed that, in this case, OLS of Q on P does not recover the supply nor demand elasticity. A solution to this endogeneity problem is an instrument. One popular instrument for a firm's price setting decision is the characteristics of products produced by rival firms. Why do you think such an instrument would be relevant? Do you think such an instrument would satisfy the exclusion restriction? Why?
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