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bachelor in business administration
Polytechnic State University Sanluis
Jan-2006 - Nov-2010
CPA
Polytechnic State University
Jan-2012 - Nov-2016
Professor
Harvard Square Academy (HS2)
Mar-2012 - Present
Use the data in CHARITY.RAW to answer this question. The variable respond is a dummy variable equal to one if a person responded with a contribution on the most recent mailing sent by a charitable organization. The variable resplast is a dummy vari- able equal to one if the person responded to the previous mailing, avggift is the average of past gifts (in Dutch guilders), and propresp is the proportion of times the person has responded to past mailings.
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Estimate a linear probability model relating respond to resplast and avggift . Report the results in the usual form, and interpret the coefficient onresplast .
Does the average value of past gifts seem to affect the probability of responding?
Add the variable propresp to the model, and interpret its coefficient. (Be careful here: an increase of one in propresp is the largest possible change.)
What happened to the coefficient on resplast when propresp was added to the regression? Does this make sense?
Add mailsyear , the number of mailings per year, to the model. How big is its esti- mated effect? Why might this not be a good estimate of the causal effect of mailings on responding?
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