How not to reward someone

I was driving to my quiet place this morning when I heard a very interesting story on the radio.  It was being told by Dan Ariely, a professor in psychology and behavioural economics. A few years ago Dan had met a locksmith whose clients were complaining about how much he charged. ‘It never used to be the case’, he had said.  ‘When I started out, I wasn’t very good at my job. When I was called to someone who had locked themselves out of their house, it used to take me quite a while to get them in.  Often, I [...]