Wamble DE, Ciarametaro M, Houghton K, Ajmera M, Dubois RW. What's been the bang for the buck? Cost-effectiveness of health care spending across selected conditions in the US. Health Aff (Millwood). 2019 Jan;38(1):68-75. doi: 10.1377/hlthaff.2018.05158.
Granero R, Fernandez-Aranda F, Aymami N, Gomez-Pena M, Fagundo AB, Sauchelli S, Del Pino-Gutierrez A, Moragas L, Savvidou LG, Islam MA, Tarrega S, Menchon JM, Jimenez-Murcia S. Subtypes of pathological gambling with concurrent illegal behaviors. J Gambl Stud. 2015 Dec;31(4):1161-78. doi: 10.1007/s10899-014-9499-5.
Phanikumar CV, Maitra B. Modeling willingness-to-pay values for rural bus attributes under different trip purposes. JTRF. 2006;45(2):31-44. doi: 10.22004/ag.econ.206787