"It’s not surprising that politicians reach for statistics to claim their policies are working, of course. But good economic analysis goes beyond direct effects, considering both the welfare on customers and other consequences in related markets."

Why Sugar Taxes Won’t Dent Obesity

"Remember that too as calls for single-use plastic taxes amplify. Even the Green Alliance has warned that major action could have unintended consequences, such as increasing global carbon emissions if it causes more agricultural waste, or leading to more deforestation if it encourages paper-based packaging instead.

It’s not surprising that politicians reach for statistics to claim their policies are working, of course. But good economic analysis goes beyond direct effects, considering both the welfare on customers and other consequences in related markets.

Before we rush headlong into more nannying interventions, emboldened by recent forays, we would do well to remember that."