Jiménez, J.L., & Perdiguero, J. (2011). Could transport costs be lower? The use of a variance screen to evaluate competition in the petrol market in Spain. International Journal of Transport Economics, 38(3), 265-283,
Jiménez, J.L., & Perdiguero, J. (2011). Could transport costs be lower? The use of a variance screen to evaluate competition in the petrol market in Spain. International Journal of Transport Economics, 38(3), 265-283,