Analyze the demand function for Toyotas in problem C4, page 82.  Please also read “What is a Symbol” located in the folder with this assignment. This function is:                         QT = 200 -.01PT +.005P­M -10PG +.01I +.003A Where: QT = quantity purchased ​PT = average price of Toyotas ​PM = average price of Mazdas ​PG = price of gasoline ​I = per capita income ​A = dollars spent annually on advertising   Characterize this function by circling all in the following list that are applicable:               univariate, bivariate, multivariate, linear, exponential, logarithmic, curvilinear, 1st degree, 3rd             degree, additive, multiplicative, linearly homogeneous   What is the numerical value of the partial derivative of the function with respect to the price of gasoline (PG) (be sure to also include the + or – sign. Note: I do not want the symbol for this partial derivative)?     Write the mathematical symbol representing the coefficient of income (I) (the numerical value of this coefficient is +.01, but the answer you give is to be the symbol representing this partial derivative).     Assuming there is a $1 increase in income (I), what change in Toyota demand will result (give the numerical value, too)?   Is gasoline a substitute for or complementary to Toyotas? What feature of the function tells you?     Are Mazadas substitutes or complements to Toyotas? What feature of the function tells you?     Is a Toyota a normal or an inferior good? What feature of the function tells you?     Assuming there is a $1000 Toyota price (PT) increase, what change in Toyota’s quantity demanded will result (give the numerical value, too)?     Assuming there is a $1000 decrease in average family income (I), what change in Toyota demand will result (give the numerical value, too)?     Assuming there is a $1000 increase in the price of Mazdas (PM), what change in Toyota demand will result (give the numerical value of it too)?

ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN:9780190931919
Author:NEWNAN
Publisher:NEWNAN
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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Analyze the demand function for Toyotas in problem C4, page 82.  Please also read “What is a Symbol” located in the folder with this assignment.

This function is:

                        QT = 200 -.01PT +.005P­M -10PG +.01I +.003A

Where:

QT = quantity purchased

​PT = average price of Toyotas

​PM = average price of Mazdas

​PG = price of gasoline

​I = per capita income

​A = dollars spent annually on advertising

 

  1. Characterize this function by circling all in the following list that are applicable:

 

            univariate, bivariate, multivariate, linear, exponential, logarithmic, curvilinear, 1st degree, 3rd             degree, additive, multiplicative, linearly homogeneous

 

  1. What is the numerical value of the partial derivative of the function with respect to the price of gasoline (PG) (be sure to also include the + or – sign. Note: I do not want the symbol for this partial derivative)?

 

 

  1. Write the mathematical symbol representing the coefficient of income (I) (the numerical value of this coefficient is +.01, but the answer you give is to be the symbol representing this partial derivative).

 

 

  1. Assuming there is a $1 increase in income (I), what change in Toyota demand will result (give the numerical value, too)?

 

  1. Is gasoline a substitute for or complementary to Toyotas? What feature of the function tells you?

 

 

  1. Are Mazadas substitutes or complements to Toyotas? What feature of the function tells you?

 

 

  1. Is a Toyota a normal or an inferior good? What feature of the function tells you?

 

 

  1. Assuming there is a $1000 Toyota price (PT) increase, what change in Toyota’s quantity demanded will result (give the numerical value, too)?

 

 

  1. Assuming there is a $1000 decrease in average family income (I), what change in Toyota demand will result (give the numerical value, too)?

 

 

  1. Assuming there is a $1000 increase in the price of Mazdas (PM), what change in Toyota demand will result (give the numerical value of it too)?

 DemandInterp4.docx 090719

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