By Kristian Niemietz In a new book, Rainer Zitelmann examines how Poland and Vietnam escaped the ravages of the Cold War to become some of the world’s fastest growing economies – and argues that poverty isn’t inevitable, it’s a policy choice says Kristian Niemietz Case studies in recent economic history typically deal with unambiguous success stories, or unambiguous cautionary tales: countries that are either much richer, or much poorer, than their neighbours. If you chose that approach, you would have picked neither Poland nor Vietnam as case studies. Neither is particularly remarkable by reg…