Demand and supply, Managerial Economics

The demand for good X is estimated to be: 
where px price of X in dollars
M = personal disposable income in trillions of dollars per year

Py = price of a competitive in dollars 

Ax = advertising expenditures in dollars $ per year

Qx = sales per year in U.S


Suppose PX = $5, PY = $10, M = $2500, and AX = $100.
a. What is the demand curve and quantity demanded for good X?

b. At the current price, will total revenue rise or fall if the price of the good is lowered?  Why?

c.  From the conditions in part a, what is the point income elasticity of demand?

d. What is the cross-price elasticity between goods X and Y?  Are goods X and Y substitutes or complements?  Why? Would the cross-price elasticity between Y and X be the same?

e.  From the conditions in part a, what is the point advertising elasticity of demand?

f.  Is the demand facing this company more sensitive to a one percent increase in income or a one percent increase in advertising expenditures?

g. Find the algebraic expressions for  the company's  total and marginal revenue functions. (Remember, TR = f(Q) and MR = f(Q).)

h. Produce a graph of total revenue and marginal revenue.  Graph total revenue for quantities up to 7,500 and put the marginal revenue graph on separate axes, and graph marginal revenue for quantities up to 7,500 also.

i.  What level of sales will maximize the  company's  total revenues?  What price  does  the company have to charge for X for that level of sales result?

Posted Date: 4/12/2013 1:09:57 AM | Location : United States







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