Sensible solutions
As a result of climate change, water pollution, rising obesity and other modern catastrophes, our world is full of shoulds and shouldn’ts. Most are sensible solutions, if only we would follow them: cycle more, walk, drive less, eat nutritious food, use less plastic. Public opinion is even moving towards being willing to be corralled into these good behaviours without crying “nanny state!” The popularity of supermarkets’ proposed phase-out of single-use plastic bags this year is an excellent case in point. However, an economic study’s finding that sugar taxes – one of the most commonly advanced policy fixes for obesity – don’t achieve their purpose illustrates why we need smarter and less-doctrinaire approaches to our shoulds and shouldn’ts. The New Zealand Institute of Economic Research analysed the data from 47 peer-reviewed…