There are a few economists who disagree with Reeves stance. An example of one such economist would be Richard Murphy who was employed by Jeremy Corbyn as an advisor when he was Labour leader. There are others, but economist are largely behind Reeves in her growth strategy.
Please correct this. Murphy was not employed by Corbyn. He was approached, but the shadow chancellor, John McDonnell, 'didn't believe in MMT' and association with Murphy lapsed.
'Not believing in MMT' is, frankly, as absurd as mot believing that the earth orbits the sun when MMT is, at base' an empirically proven description of how a nation with a fiat currency runs its finances, unlike much of the current orthodoxy which is based on unevidenced theory but, heigh ho...
Heterodox economists don't disapprove particularly of the need for greater growth, they just think that selling out to private capital, rather than direct state investment, is a recipe for disaster, as has been proven over the past 40plus years. There are 'orthodox' economists who agree with that, mostly of the Keynesian tradition.
As you were, now, ladies.. of course hair style is a sure indication of ability.. economic nous is a minor consideration.
(I keep thinking of Shirley Williams.. can't think why...)