Healthline | Economic incentives increase blood donation without negative consequences EurekAlert (press release) Can economic incentives such as gift cards, T-shirts, and time off from work motivate members of the public to increase their donations of blood? A team of researchers including Johns Hopkins Carey Business School Assistant Professor Mario Macis says ... Rewards and Incentives for Blood Donation Work Non-cash incentives could boost blood donations without risking supply Free T-shirts, gift cards can up blood donations, study finds |