Impact of the policy of expanding benefit coverage for cancer patients on catastrophic health expenditure across different income groups in South Korea

How Much Should We Trust Differences-In-Differences Estimates?

Esther Duflo, Sendhil Mullainathan · The Quarterly Journal of Economics · 2004 · 10.3K citations

Engineering, Quasi-experiment, Policy Analysis +21

Household catastrophic health expenditure: a multicountry analysis

Ke Xu, David Evans, Kei Kawabata et al. · The Lancet · 2003 · 2.3K citations

Health Policy, Health Economics, Health Care Cost +3

Catastrophe and impoverishment in paying for health care: with applications to Vietnam 1993–1998

Adam Wagstaff, Eddy van Doorslaer · Health Economics · 2003 · 1.2K citations

Health Reform, Education, Health Politics +22

Protecting Households From Catastrophic Health Spending

Ke Xu, David Evans, Guido Carrin et al. · Health Affairs · 2007 · 1.1K citations

Extending health insurance to the rural population: An impact evaluation of China's new cooperative medical scheme

Adam Wagstaff, Magnus Lindelöw, Jun Gao et al. · Journal of Health Economics · 2008 · 747 citations

Health Insurance Reform, Impact Evaluation, Rural Population +13