Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Robert Kelly is managing director of XTS ...

In order to investigate the usefulness of the von Neumann-Morgenstern utility concept in an actual decision making context, 30 subjects were interviewed. Their responses to questions were used to ...

In the past decades, a great interest has emerged in understanding the nature of people's well-being beyond consumption opportunities. It is widely believed that happiness research based on ...

NOT long ago, the starting assumption of any economic theory was that humans are rational actors who maximise their utility. Economists summarily dismissed anyone insisting otherwise. But over the ...