Border Snacks Inc. produces and sells picante sauce, nacho chips, and queso dip. The company's marketing department
estimated a linear demand function for Border's picante sauce:
QF = a + bPF + cM + dPN + ePQ
where QF is the number of jars of picante sauce sold per month, PF is the price of picante sauce, PN is the price of a bag of nacho chips, PQ is the price of a jar of queso dip, and M is consumer income. In the market served by Border Snacks, income is currently $16,000. The following regression results were obtained using 22 monthly observations:
a. Explain carefully and completely the meaning of the p-value for the parameter estimate on the price of nacho chips.
b. If Border Snacks Inc. sets the price of picante at $6 per jar, the price of its nacho chips at $3 per bag, and the price of its queso dip at $8 per jar, what is the predicted sales of picante sauce?
c. At the prices set in part b above, what is the price elasticity of demand for picante sauce?
d. How will a 2.4% fall in the price of nacho chips affect the demand for picante sauce?
The percentage change in demand is assessed.