Question

In: Economics

Suppose you work for a small company that produces and sells gourmet pierogi-flavored cookies (yum?) called...

Suppose you work for a small company that produces and sells gourmet pierogi-flavored cookies (yum?) called Babushkies in Northwest Indiana. Your boss has never really paid any attention to the demand for your product before, and one day she asks you to conduct a quantitative demand analysis for Babushkies. She provides you with yearly data from 2000 and 2019 on factors that may be important in the demand for Babushkies, including the price (Px ) and number of Babushkies sold (Qx) , the price of a related good (Py) and the average annual income for Northwest Indiana (M ).

The following steps walk you through the process of conducting a quantitative demand analysis:

  1. Estimate a demand function using a regression. Download the provided Problem Set 3 data file (PS3-Data.csv) and use it to estimate the following linear demand function using the regression tool (under Data Analysis) in Excel:

Qxd=α0+αXPx+αyPy+αMM

What is the estimated demand function (you can round estimated coefficients to two significant decimals)? Write this out clearly. Include a copy of your regression output from Excel.

Year Qx Px Py M
2019 173 3.7 3.04 39,010
2018 197 5.58 8.45 37,645
2017 175 5.06 1.95 39,718
2016 182 6.65 6.59 39,208
2015 206 5.85 6.87 39,629
2014 176 5.4 3.77 40,239
2013 158 6.55 3.44 39,717
2012 181 4.79 4.49 39,912
2011 170 6.25 5.61 39,738
2010 197 4.54 5.86 39,779
2009 209 4.64 7.89 39,666
2008 180 4.07 3.97 40,814
2007 168 5.7 3.3 39,218
2006 198 4.09 4.68 40,014
2005 214 3.99 7.12 38,889
2004 209 3.63 7.77 39,535
2003 187 4.08 5.39 41,304
2002 189 4.82 5.62 39,899
2001 205 5.12 7.51 40,345
2000 204 3.86 6.7 40,070

Solutions

Expert Solution

Using Excel, the estimated demand function is

Qxd = 172.76 - 7.25Px + 6.82Py + 0.0004M

Please refer to following two images of excel output:

We have arranged the data in ascending order of years.

The regression results using Data Analysis tool is as follows:


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