Macroeconomics 9th Edition by David Colander

Exercise 39

Write demand and supply equations that represent demand, D 0 , and supply, S 0 ,in FigureA5-1 in this appendix.
a. Solve for equilibrium price and quantity mathematically.how your work,
b. Rewrite the demand equation to reflect an increase in demand of 3 units.hat happens to equilibrium price and quantity
c. Rewrite the supply equation to reflect a decrease in supply of 3 units at every price level.hat happens to equilibrium price and quantity using the demand curve from b