| Measuring hospital performance: A non-parametric approach S Grosskopf, V Valdmanis Journal of health Economics 6 (2), 89-107, 1987 | 752 | 1987 |
| Water supply, sanitation and hygiene promotion (Chapter 41) S Cairncross, V Valdmanis The World Bank, 2006 | 433 | 2006 |
| Sensitivity analysis for DEA models: An empirical example using public vs. NFP hospitals V Valdmanis Journal of Public Economics 48 (2), 185-205, 1992 | 372 | 1992 |
| Rural hospital performance and its correlates GD Ferrier, V Valdmanis Journal of Productivity Analysis 7, 63-80, 1996 | 266 | 1996 |
| Nutritionist visits, diabetes classes, and hospitalization rates and charges: the Urban Diabetes Study JM Robbins, GE Thatcher, DA Webb, VG Valdmanis Diabetes care 31 (4), 655-660, 2008 | 242 | 2008 |
| Is more better? An analysis of hospital outcomes and efficiency with a DEA model of output congestion JP Clement, VG Valdmanis, GJ Bazzoli, M Zhao, A Chukmaitov Health care management science 11, 67-77, 2008 | 205 | 2008 |
| Ownership and technical efficiency of hospitals VG Valdmanis Medical Care 28 (6), 552-561, 1990 | 200 | 1990 |
| Hospital quality, efficiency, and input slack differentials VG Valdmanis, MD Rosko, RL Mutter Health services research 43 (5p2), 1830-1848, 2008 | 198 | 2008 |
| Work impact and emotional stress among informal caregivers for older adults ML Longacre, VG Valdmanis, EA Handorf, CY Fang Journals of Gerontology Series B: Psychological Sciences and Social Sciences …, 2017 | 168 | 2017 |
| Competitive effects on teaching hospitals S Grosskopf, D Margaritis, V Valdmanis European Journal of Operational Research 154 (2), 515-525, 2004 | 158 | 2004 |
| Estimating output substitutability of hospital services: A distance function approach S Grosskopf, D Margaritis, V Valdmanis European Journal of Operational Research 80 (3), 575-587, 1995 | 155 | 1995 |
| Analyzing technical and allocative efficiency of hospitals A Charnes, WW Cooper, AY Lewin, LM Seiford, P Byrnes, V Valdmanis Data envelopment analysis: theory, methodology, and applications, 129-144, 1994 | 154 | 1994 |
| Comparing teaching and non-teaching hospitals: a frontier approach (teaching vs. non-teaching hospitals) S Grosskopf, D Margaritis, V Valdmanis Health Care Management Science 4, 83-90, 2001 | 153 | 2001 |
| Do mergers improve hospital productivity? GD Ferrier, VG Valdmanis Journal of the Operational Research Society 55 (10), 1071-1080, 2004 | 144 | 2004 |
| Analysis of uncompensated hospital care using a DEA model of output congestion GD Ferrier, MD Rosko, VG Valdmanis Health care Management science 9, 181-188, 2006 | 142 | 2006 |
| Evaluating hospital performance with case-mix-adjusted outputs S Grosskopf, V Valdmanis Medical Care 31 (6), 525-532, 1993 | 128 | 1993 |
| A pan-Canadian perspective on institutional long-term care W Berta, A Laporte, D Zarnett, V Valdmanis, G Anderson Health Policy 79 (2-3), 175-194, 2006 | 124 | 2006 |
| The effects of teaching on hospital productivity S Grosskopf, D Margaritis, V Valdmanis Socio-Economic Planning Sciences 35 (3), 189-204, 2001 | 123 | 2001 |
| Principal-agent problems in health care systems: an international perspective PC Smith, A Stepan, V Valdmanis, P Verheyen Health policy 41 (1), 37-60, 1997 | 123 | 1997 |
| Capacity, competiton and efficiency in hospitals: A nonparametric approach R Färe, S Grosskopf, V Valdmanis Journal of Productivity Analysis 1, 123-138, 1989 | 108 | 1989 |