Contributor(s): Tim Harford | For six years, Tim Harford has been answering readers' personal problems in the pages of The Financial Times, using the latest economic research to provide advice on dating, etiquette, parenting and even personal hygiene. In a light-hearted but thoughtful lecture, Tim explains what he has learned about whether economics really can bring us personal happiness. Tim Harford is a columnist for the Financial Times, presenter of Radio 4's More or Less, and author of The Undercover Economist and The Logic of Life. His new book is Dear Undercover Economist.