salient, and an "Extrinsic Incentives" arm, which simplified the information and increased the salience of an existing …

Early studies often found that offering economic incentives for undertaking prosocial and intrinsically motivated … related to whether crowding out (or substitution) is likely to occur. In many cases, incentives succeed in encouraging more … prosocial behavior and are also cost-effective. However, although the substitution of external incentives for intrinsic …

schemes designed to encourage either participation or volume. Our results confirm the importance of incentives in that we find …