Budge, Susan; Ingolfsson, Armann; Zerom, Dawit - In: Management Science 56 (2010) 4, pp. 716-723
Using administrative data for high-priority calls in Calgary, Alberta, we estimate how ambulance travel times depend on distance. We find that a logarithmic transformation produces symmetric travel-time distributions with heavier tails than those of a normal distribution. Guided by nonparametric...