Sorry Paul Krugman: Investment Surged after Trump’s Tax Cuts

Data from the Trump administration show tax cuts boost investment.

Last month, prominent liberal economist Paul Krugman had a curiosity of a tweet. Krugman dismissed, even derided, the idea that an investment surge like the one the Trump administration had promised from its corporate-tax cuts had ever materialized. But Krugman’s accompanying chart shows a line that supporters of the corporate-tax cuts could be expected to draw. Investment’s share of GDP starts to go up almost exactly when the Tax Cuts and Jobs Act would…