Trump’s tariff move shows he flunked economics

By Jeffrey Sachs

(CNN)President Donald Trump fired the first shot in a delusional and destructive trade war: tariffs of 25% on steel and 10% on aluminum. Shares of US Steel jumped 5.75%, about $460 million in market capitalization, but the overall US stock market capitalization fell by more than 1%, around $340 billion.

Read more…