All questions utilize the multivariate demand function for Smooth Sailing sailboats in C6 on text page 83, initially with:             PX = $9500     PY = $10000   I = $15000      A = $170000   W = 160 This function is:                         Qs = 89830 -40PS +20PX +15PY +2I +.001A +10W Where Qs=quantity purchased                    Ps= the price of Smooth Sailing sailboats                    Px= the price of company X’s sailboat                    Py= the price of company’s Y’s motorboat                    I= per capita income in dollars                    A= dollars spent on advertising                   W=number of favorable days of weather in the southern region of the United States

ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN:9780190931919
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Chapter1: Making Economics Decisions
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All questions utilize the multivariate demand function for Smooth Sailing sailboats in C6 on text page 83, initially with:

            PX = $9500     PY = $10000   I = $15000      A = $170000   W = 160

This function is:

                        Qs = 89830 -40PS +20PX +15PY +2I +.001A +10W

Where Qs=quantity purchased

                   Ps= the price of Smooth Sailing sailboats

                   Px= the price of company X’s sailboat

                   Py= the price of company’s Y’s motorboat

                   I= per capita income in dollars

                   A= dollars spent on advertising

                  W=number of favorable days of weather in the southern region of the United States

 

  1. Use the above to calculate the arc price elasticity of demand between PS = $5000 and PS = $4000. The arc elasticity formula is:

  

  1. Calculate the quantity demanded at each of the above prices and revenue that will result if the quantity is sold (fill in table below).

PS

QS

Revenue

$5000

 

 

$4000

 

 

 

  1. Marketing suggests lowering the price PS from $5000 to $4000. The size of the elasticity coefficient in #1 should tell you what is likely to happen to revenue.  Explain why this is (or is not) a good marketing suggestion from a revenue viewpoint (note: your answer in #1 and the calculations in #2 should be giving the same message).  If the implications in #1 and #2 differ, does the difference make sense (or did you make a mistake in #1 or #2)?

 

 

 

  1. Calculate the point elasticity of demand for Smooth Sailing sailboats at PS = $5000 (which should make Qs = 261600).

Does this elasticity value indicate that Smooth Sailing demand is relatively responsive to changes in the price of          these sailboats?  Explain why or why not.  The formula is:

       

  1. Calculate the point “motorboat” price elasticity of demand when Py = $10000. Use Qs corresponding to PS = $5000.   Other variables and their values are given at the top, before question #1.  Does this elasticity indicate that the demand for Smooth Sailing’s boats is relatively responsive to changes in the price of Company Y’s motorboats?  Explain why or why not.  The formula is:

 

  1. Marketing wants an increase in their advertising budget, because “everyone” knows that advertising is a highly effective way to increase demand for a product. Calculate the point advertising elasticity of demand assuming that Ps = $4500 (this should make QS = 281,600) and that the other variables are as given at the top before #1.   Does this elasticity coefficient indicate that the demand for Smooth Sailing boats is relatively responsive to changes in advertising expenditures?  Explain why or why not.  The formula is:

 

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