Ofer H. Azar is an economics professor at Ben-Gurion University of the Negev in Beersheba, Israel. He is also the editor-in-chief of the Journal of Behavioral and Experimental Economics.[1] He received his Ph.D. in economics from Northwestern University.[1] He is known for his research in behavioral economics and industrial organization, among other fields. For example, he has published numerous studies on the practice of tipping.[2][3][4][5] These studies include one which estimated that Americans tip about $42 billion per year at full-service restaurants.[6]