Trump's TCJA tax-cuts for corporations and the rich do not appear to have achieved their claimed purpose of significantly increasing aggregate investment, according to a Brookings Institute analysis. Thus, "moderately raising the corporate tax rate would not adversely affect the economy" and "Cutting the tax rate even more now would create substantial federal revenue losses that largely finance windfall gains to business owners who have already made investments."
https://www.brookings.edu/articles/how-much-did-tcja-raise-investment/



