This paper investigates the factors that influence the change in passenger ski-lift transports between a normal winter and an anomalously mild winter based on individual lift and aggregate ski-area data. Special focus is placed on the return on investments in new ski lifts. Using endogenous...

A review of the types of Innovation System identified in the literature points to different models. Besides the very well-known National, Regional, Local, sectorial, and technological innovation systems, combinations of the previous can be identified, proposing sub-models such as National Open...