Happy, I expect Researchers at University College London have developed an equation that has predicted the happiness of over 18,000 people. Happiness does not always reflect when things are going well; it is often determined by whether a situation is proceeding better than expected, according to research published in the Proceedings of the National Academy of Sciences. Lead author Dr Robb Rutledge said he was surprised by how important expectations are in influencing happiness. bit.ly/1uOAUlO   SMEs need old hands Some 86 per cent of small and medium-sized enterprises...