Garrick
Awesome, lid.
View attachment 7982
That top maximising point is a top rate of tax of about 43% btw. Which interestingly, is pretty close to the MAXIMUM that Brown had for years and years, until 12 months before the last election when he raised it to 50%. Draw your own conclusions as to exactly why he did that.
But here is a clue; at probably every PMQs/debate/speech, Balls and Miliband have trotted out the "tax breaks for millionaires" line. Which a lot of people take. Hook, line and sinker.
The Laffer Curve is a theoretical concept and trying to pinpoint where exactly the "top of the curve" is is an absolute fool's errand.
Every study on the matter has plucked out a different number. I've heard 60%, 65%, 70%, 35%, 32%, now 43%, you get my point yet?
At this point, the Laffer Curve has just turned into a half-arsed rationale used by fiscal conservatives to always cut taxes ("Hey, revenue will actually GO UP if we cut taxes!!! How cool is that!!!") and never raise them ("ZOMG REVENUES WILL ACTUALLY GO DOOOOOWN!!!")
It sounds like real economic sciencey stuff, yet really has little practical application. There are way too many variables to actually pin the numbers on the curve.