Vietnam has been putting lot of efforts in poverty reduction and achieved impressive success in reaching United Nations’ Millennium Development Goals. Health shocks are considered as one possible reason, which leads to poverty because people may face financial burden as well as further difficulties (World Bank, 2004). Thus, together with higher living standard, health becomes more important for the population. Health insurance is also increasingly helpful to reduce the financial burden in case of health shock (Wagstaff, 2005). Furthermore, it is …show more content…
Length of stay is the number of days a patient stays in hospital for treatment; treatment result is the status of patient after treatment at the time of discharge from hospital; and out-of-pocket payment is the actual amount a patient pays for the hospital after insurance reimbursement. However, there might be endogeneity problem because insurance is endogenous variable. Thus, instrument variable as insurance enrollment of patient’s province is used to overcome this selection