title: On the importance of unconditional rewards for blood donations.
authors.affiliation: Rotman School of Management University of Toronto Toronto, ON, Canada.
authors.forename: Nicola
authors.initials: N
authors.lastname: Lacetera
authors.forename: Mario
authors.initials: M
authors.lastname: Macis
authors.forename: Robert
authors.initials: R
authors.lastname: Slonim
mesh_terms: D001782:Blood Donors / Q000941:ethics*; D017408:Guidelines as Topic; D006801:Humans; D012052:Reimbursement, Incentive / Q000941:ethics*