Global trade flows tumbled in the first quarter, a preview of what could be the largest contraction in international commerce in decades, as the coronavirus pandemic causes policy makers and multinationals to reconsider globe-spanning supply chains that have become a defining feature of the world economy.
A Dutch body considered an authority in world trade, CPB Netherlands Bureau for Economic Policy Analysis, said flows of goods across borders were 1.4% lower in March than a month earlier, bringing the decline in the first…