Financial TimesFinancial Times

Mariana Mazzucato: ‘The McKinseys and the Deloittes have no expertise in the areas that they’re advising in’

By Henry Mance

13 Feb 2023 · 7 min read

Editor's Note

All those highly paid consultants know considerably less than they claim and are just selling a "confidence trick," argues a prominent economist in an FT interview.

The theory is simple. When organisations face challenges, they bring in high-IQ, high-octane outsiders with specialist skills and new ideas. Although the outsiders cost a lot, they don’t stay long and they more than pay their way by improving efficiency. No one ever got fired for hiring McKinsey.

The reality has long been more complex. What do these outsiders — strategy consultants, such as the ‘Big Three’ of McKinsey, Bain and Boston Consulting Group — really know? Critics say their ideas are often ones that the hiring organisation has already thought of. There are some complete disasters, such as McKinsey’s work promoting opioids. Yet consultants, supposedly brought in for short projects, never seem to leave.

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