In a spatial competition model, changes in firms' competitive behaviour may occur when the hypothesis that individual gross surplus is positive in equilibrium is relaxed. We prove that there exists a region of the relevant parameter where firms' behaviour mimics collusion, while in another range...

In this paper, I develop an operational methodology to consistently compare alternative sustainability paradigms (weak sustainability [WS], strong sustainability [SS], a-growth [AG], and de-growth [DG]) and different assessment approaches (life-cycle assessment [LCA], cost-benefit analysis...

This paper presents an analytical model of the dynamic interrelationships between education, creativity, and happiness based on both theoretical insights and recent empirical neurological studies. In the model, the outcome is conditional on individual intelligence and risk aversion....