PhD in econometrics speaking, here's my handy guide to macro-economics: - The main variables of interest are (aggregate) real production / income (GDP/GDI), unemployment and inflation (arguably in that order) - Nobody knows much wrt the causes, effects and future trajectories of any of these. Not professional Ivy League economists who publish in journals like AER, QJE, JPE or Econometrica, nor traders getting paid mi…
There have been a number of experiments over the last few years. For example, tax cuts don't pay for themselves (or, in the most positive interpretation: we're on the left-hand side of the Laffer curve):
* https://en.wikipedia.org/wiki/Kansas_experiment
* https://www.npr.org/2019/12/20/789540931/2-years-later-trump...
Expansionary austerity was also tried and found not to work (as predicted by Keynesians):
* https://en.wikipedia.org/wiki/Expansionary_fiscal_contractio...
* https://www.theguardian.com/business/ng-interactive/2015/apr...
Then there's the whole anti-QE thing:
> We believe the Federal Reserve's large-scale asset purchase plan (so-called "quantitative easing") should be reconsidered and discontinued. We do not believe such a plan is necessary or advisable under current circumstances. The planned asset purchases risk currency debasement and inflation, and we do not think they will achieve the Fed's objective of promoting employment.
* https://economics21.org/html/open-letter-ben-bernanke-287.ht...
Most economic ideas put forward by the political right seems to have been found not to work over the last decade.