Home › Authors › Paul Langley 👤 Paul Langley 6 books Biography Professor of Economic Geography at Durham University. Books by Paul Langley Liquidity Lost 2014 Stories to Help People Stories to Help People 2014 Health Economics in the Drug L Health Economics in the Drug Life Cycle 2003 World Financial Orders 2003 Health Economics in the Drug D Health Economics in the Drug Development Process 2001 Disease Management Outcomes Disease Management Outcomes 1998