Book Review: The Collaborative Economy and EU Law, by Vassilis Hatzopoulos. (Oxford: Hart Publishing, 2018) - Common Market Law Review View Book Review: The Collaborative Economy and EU Law, by Vassilis Hatzopoulos. (Oxford: Hart Publishing, 2018) by - Common Market Law Review Book Review: The Collaborative Economy and EU Law, by Vassilis Hatzopoulos. (Oxford: Hart Publishing, 2018) 55 4 Common Market Law Review