The concept of a “merit good” the ethical dimension in economic theory and the history of economic thought or the transformation of economics into socio-economics, W. Ver Eecke,journal of socio-economics,volume 27, issue 1, 1998,Pages 133-153, http://www.sciencedirect.com/sci ... i/S105353579980081X

Public goods: An ideal concept,W. Ver Eecke, journal of socio-economics,volume 28, issue 2, 1999,Pages 139-156,  http://www.sciencedirect.com/sci ... i/S1053535799000049