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Predictions and projections

Summary:
I have a piece in The Conversation arguing against the common practice of publishing projections, based on holding constant parameters that are unlikely to remain so in practice. I suggest modellers need to bite the bullet, make predictions and stand by them. A slight clarification, arising from discussion. To the extent that we are concerned with policy, it’s fine to make conditional predictions about the consequences of alternative policy packages. Share this:Like this:Like Loading...

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I have a piece in The Conversation arguing against the common practice of publishing projections, based on holding constant parameters that are unlikely to remain so in practice. I suggest modellers need to bite the bullet, make predictions and stand by them.

A slight clarification, arising from discussion. To the extent that we are concerned with policy, it’s fine to make conditional predictions about the consequences of alternative policy packages.

John Quiggin
He is an Australian economist, a Professor and an Australian Research Council Laureate Fellow at the University of Queensland, and a former member of the Board of the Climate Change Authority of the Australian Government.

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