deal in a world with high protection and less trade. As this book
went to press in the fall of 2018, there remained considerable
uncertainty regarding the prospects for freer global trade.
Canadian Prime Ministers Bennett (left) and Mackenzie King
(right) both learned in the 1930s that protectionist policies often
make better politics than economics. U.S. President Trump in
2017–2018 appeared to think that protectionism was good
politics and good economics; most economists and
policymakers disagreed.