Jack Pezzey

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Economists have searched for the mythical balance between the cost of climate action, and the future cost of doing nothing. Joop Hoek/Shutterstock.com

We can’t know the future cost of climate change. Let’s focus on the cost of avoiding it instead

Jack Pezzey, Australian National University

For decades, economists have pondered the ‘social cost of carbon’ - the price worth paying to avoid the future costs of greenhouse emissions. But a new analysis suggests this quest is impossibly complex.
The Earth is finite - so are there limits to growth? NASA's Marshall Space Flight Center/Flickr

Why uncontrolled climate change may be an ultimate limit to growth

Jack Pezzey, Australian National University

“But who do you think’s right, Prof? The optimists or the pessimists?” At the end of my sustainability economics course in 2007, students were challenging me to end 20 years of professional fence-sitting…
Making too much money can be the undoing of an emissions reduction scheme. Images_of_Money/Flickr

To cut more emissions, a carbon tax needs to raise less revenue

Jack Pezzey, Australian National University

Carbon (emissions) taxes have proved unpalatable world-wide, compared to (carbon) emissions trading schemes. But taxes give stable carbon prices while prices in emissions trading schemes yo-yo, plunge…

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