The Demand for Good X Is Estimated to Be Q_x^d

question 110

Multiple Choice

The demand for good X is estimated to be Q_x^d = 10,000 − 4P_X + 5P_Y + 2M + A_X, where P_X is the price of X,P_Y is the price of good Y,M is income,and A_X is the amount of advertising on X.Suppose the present price of good X is $50,P_Y = $100,M = $25,000,and A_X = 1,000 units.What is the own price elasticity of demand for good X?

• A) −0.003
• B) −0.03
• C) −0.3
• D) −3

---

Definitions:

Present Value Factor

A factor used to determine the present value of a sum that is to be received in the future, taking into account a specific interest rate and time period.

Cash Payback Period

The amount of time it takes for an investment to generate enough cash flow to recover its initial cost.

Present Value Factor

A factor used in calculating the present value of a future cash flow, discounting its value to reflect time and risk.

Internal Rate of Return Method

A capital budgeting technique used to evaluate the profitability of investments or projects, determining the discount rate that makes the net present value of all cash flows from a particular project equal to zero.