"Mixed Signals" (IMAGE) University of California - San Diego Caption In his new book, Uri Gneezy, a pioneering behavioral economist, reveals how we can create reward systems that minimize unintended consequences and maximize happiness, health, wealth and success. Credit Yale University Press Usage Restrictions No restrictions. License Public Domain Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.