We develop a theory of leadership that focuses on the role managersplay in motivating employees through their attitude towards employees. We modela manager's attitude as her perception about employees' abilities of successfullycompleting challenging tasks. We show that a positive attitude...

This paper provides the first rigorous, empirical evidence of the existence of Giffen behavior, i.e., a situation in which consumers respond to an increase in the price of a good by demanding more of it. We begin by examining several theoretical approaches to the Giffen phenomenon and show that...

"This paper provides the first rigorous, empirical evidence of the existence of Giffen behavior, i.e., a situation in which consumers respond to an increase in the price of a good by demanding more of it. We begin by examining several theoretical approaches to the Giffen phenomenon and show that...