The point of gifts for most people is to remind them of their loved ones. Sure, that bottle of wine might not have been the one you would have bought on your o

The point of gifts for most people is to remind them of their loved ones. Sure, that bottle of wine might not have been the one you would have bought on your own, but the fact that you can say “hey let’s try that wine X got for us” is a utility-adding thing for most people. Sounds like (as is often common In economics and social sciences) the researcher didn’t do a good job of understanding his own biases before publishing.