Economics Today: The Micro View (18th Edition)
Economics Today: The Micro View (18th Edition)
18th Edition
ISBN: 9780133885071
Author: Roger LeRoy Miller
Publisher: PEARSON
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Chapter 24, Problem 2FCT
To determine

The effect of an increased demand for digital taxi apps and non-taxi transportation services on the prices of the New York City taxi medallions.

Introduction:

Law of Demand- The law establishes an inverse relationship between the demand for a commodity and its price keeping all other variables constant.

Price elasticity- Price elasticity of demand is the percentage change in demand with a percentage change in the price.

Price elasticity and substitutes-For a given good/service, the higher the number of substitutes the higher the elasticity of demand. If there are more substitutes for a good X, an increase in its price will decrease the demand significantly.

The demand and supply analysis- Supply responds to demand in the long run. As the demand for a good/service in a market rises, the producers increase its supply to reap profits from the buyers increased willingness to pay and increase the producers surplus.

Taxi Medallions- It is a transferable permit in the United States allowing a taxi driver to operate.

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2. The demand and supply functions for two interdependent goods X and Y are givenbyQDX = 7 − 4PX + 2PYQSX = −6 + 4PX − PYQDY = 1 + PX − PYQSY = −4 − PX + 2PY(a) Find the market equilibrium condition for each good. (b) Express the equilibrium conditions in the matrix form Ax = b.(c) Find the inverse of matrix A. (d) Given your result in part (c), calculate the equilibrium prices. (e) What is the equilibrium quantity for goods X and Y ?
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