The ingredients for a good old age differ, not just because of where you live, but also depending on your income.
Despite relatively stable and low levels of unemployment, workers are increasingly concerned that their jobs are at risk.
Our study found that office workers performed just the same, whether the air conditioning was set at 22°C or 25°C. But making that tweak can cut energy use by 18%.
Chinese President Xi Jinping spoke of plans to further open up the Chinese economy this week - and the world economy should hope US president Trump feels vindicated by this.
There may be altruistic reasons for companies to adopt 'pay as you want' pricing, but research shows it can lead to an increase in revenue.