Introduction
Ever since the concept of operant conditioning presented to the discipline of Psychology, it has been praised, applied and criticized equally in fervor. Currently, both psychologists and economists have interests in its applications. The concepts of operant conditioning are applied in many fields such as education, business organizations, communities, professional bodies, market, international relations and even in robotics. One domain that binds both, economics and operant conditioning is consumer demand (Domjan, M. 2009). In Economics, the consumer demand is a function of price of the good and the quantity purchased. The elasticity of demand or variability of the demand is ...