perspective on psychology and economics, social norms and macroeconomics, the nature of unemployment, unemployment and inflation … Psychology, 23 (4), August, 521-38 -- Ian M. McDonald and Hugh Sibly (2005), 'The Diamond of Macroeconomic Equilibria and Non … Robert Sugden (2007), 'The Road Not Taken: How Psychology was Removed from Economics, and How it Might be Brought Back …