To examine what influence individuals’ decisions on donations, the linear regression model
CHARITY.DES respond gift resplast weekslast propresp mailsyear giftlast avggift obs: 4,268 1. respond =1 if responded with gift 2. gift amount of gift, Dutch guilders 3. resplast =1 if responded to most recent mailing 4. weekslast number of weeks since last response 5. propresp response rate to mailings 6. mailsyear number of mailings per year 7. giftlast amount of most recent gift 8. avggift average of past gifts