Economists use three types of models to describe volunteer labour supply: the publicgoods model, the private-consumption model, and the human-capital model. We used data from an online survey questionnaire of volunteers working for the German Red Cross to study the extent to which each type...

We used boosted regression trees to study the interplay between match quality and Internet use of volunteers. In our use of the term, match quality reflects the congruence of volunteers' motives for doing volunteer work and their utility experiences. Using data from an online survey...