... under the Ghanaian National Insurance Scheme. Health Economics Review 2011 1:13. Amporfu Health Economics Review 2011, 1:13 http://www.healtheconomicsreview.com/content/1/1/13Page 9 of 9ghettos. ... patientsCorrespondence: eamporfu@gmail.comKwame Nkrumah University of Science and Technology, Kumasi, Ghana Amporfu Health Economics Review 2011, 1:13 http://www.healtheconomicsreview.com/content/1/1/13© 2011 Amporfu; ... demand for health care because rich people have a high opportunitycost of waiting [21]. However, studies have shown that Amporfu Health Economics Review 2011, 1:13 http://www.healtheconomicsreview.com/content/1/1/13Page...