Why the doughnut needs the bathtub – economic models for real change

Kate Raworth’s Doughnut model of the way an economy should perform is excellent. But it needs an idea of how to control that economy so it performs to requirements. Enter the bath tub.

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Kate Raworth has a wonderfully clear and simple concept – that we should arrange the way we run society on the principle that we do not exceed planetary boundaries – in our relation to nature – on one hand, and that we set things up to avoid people suffering and that everyone’s basic needs get fulfilled – the human dimension – on the other.  She draws it like a doughnut.

In her excellent book, Doughnut Economics, Kate shows how this task is essentially one for the economy and a question for economics. Doughnut economics gives us a very clear set of requirements for how an economy should work. That immediately brings one to think of money, investments, taxes, banks businesses etc. And that is where the model needs a little help .

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