A-level Paper 1, June 2019, Q8

In October 2017 Scania, the Volkswagen-owned truck maker, was fined €880 million (£771 million) by the European Commission for colluding with five other truck manufacturers over a 14-year period. The firms had agreed to coordinate prices after experiencing additional costs of meeting emission regulations. With reference to an industry of your choice, evaluate why some firms engage in collusive behaviour.