Concerns about the implications:

And of course a little fun:

If you haven’t had enough, check out this book chapter from the London School of Economics’ Mary Morgan, which offers both a quick history of model usage in economics and a look at its pitfalls:

Economists (just like their astronomer forebears) understand that a model stands in for their economic universe to enable them to explore certain properties of that world represented in the model. But whether they can come to valid conclusions about the behaviour of their actual economic universe is a much more difficult problem, as they know themselves.

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