| On composite models: Weibull-Pareto and Lognormal-Pareto. A comparative study V Preda, R Ciumara Romanian Journal of Economic Forecasting 3 (2), 32-46, 2006 | 41 | 2006 |
| An actuarial model based on the composite Weibull-Pareto distribution R Ciumara MATHEMATICAL REPORTS-BUCHAREST- 8 (4), 401, 2006 | 36 | 2006 |
| Restricted optimal retention in stop-loss reinsurance under VaR and CTE risk measures S Dedu, R Ciumara Proc. Rom. Acad. Ser. A Math. Phys. Tech. Sci. Inf. Sci 11 (3), 213-217, 2010 | 23 | 2010 |
| The Weibull-logarithmic distribution in lifetime analysis and its properties R Ciumara, V Preda ASMDA. Proceedings of the International Conference Applied Stochastic Models …, 2009 | 19 | 2009 |
| The modified exponential-Poisson distribution V Preda, E Panaitescu, R Ciumara Proceedings of the Romanian Academy 12 (1), 22-29, 2011 | 14 | 2011 |
| Econometrie L Spircu, R Ciumara Pro Universitaria, 2007 | 14 | 2007 |
| Comparison of Bayesian and non-Bayesian Estimates using Record Statistics from Modified Exponential Model V Preda, E Panaitescu, R Ciumara Romanian Journal of Economic Forecasting, 2009 | 6 | 2009 |
| On insurer portfolio optimization. An underwriting risk model V Preda, R Ciumara Romanian Journal of Economic Forecasting 9 (1), 102-118, 2008 | 6 | 2008 |
| L-moments evaluation for identically and nonidentically weibull distributed random variables R Ciumara Proc. Romanian Academy, Series A 8 (3), 175-180, 2007 | 6 | 2007 |
| Eficienţă şi productivitate: tehnici de măsurare, software şi aplicaţii economice L Spircu, L Bădin, R Ciumara, D Mitruţ Editura Economică, 2001 | 6 | 2001 |
| Eficiență și productivitate. Tehncii de măsurare, software și aplicații economice L Spircu, L Bădin, R Ciumara, D Mitruț București: Editure economică, 2001 | 5 | 2001 |
| Restricted optimal retention in Stop-Loss reinsurance under VaR risk measure V Preda, S Dedu, R Ciumara Proceedings of the 12th WSEAS International Conference on Mathematical …, 2010 | 4 | 2010 |
| An unified approach for optimal retention in a stop-loss reinsurance under the VaR and CTE risk measures V Preda, S Dedu, R Ciumara ASMDA. Proceedings of the International Conference Applied Stochastic Models …, 2009 | 4 | 2009 |
| Convergence rates in empirical Bayes problems with a weighted squared-error loss. The Pareto distribution case V Preda, R Ciumara Revue Roumaine de Mathematiques Pures et Appliquees 52 (6), 673-682, 2007 | 3 | 2007 |
| A Bayesian approach in the collective risk model involving weighted quadratic loss functions R Ciumara MATHEMATICAL REPORTS-BUCHAREST- 7 (1), 21, 2005 | 3 | 2005 |
| On Generalized Cumulative Information of Kullback-Leibler Type R Ciumara, II Panait order 2 (1), 2018 | 2 | 2018 |
| On nondifferentiable minimax fractional Programming with square root terms A Batatorescu, M Beldiman, I Antonescu, R Ciumara Yugoslav Journal of Operations Research 19 (1), 49, 2009 | 2 | 2009 |
| Estimation of the Mean Time to Failure relative to a Class of Loss Functions R Ciumara, M Beldiman Bulletin mathématique de la Société des Sciences Mathématiques de Roumanie …, 2007 | 1 | 2007 |
| On bounds for ratios of posterior expectations under asymmetric loss functions V Preda, R Ciumara PAMM: Proceedings in Applied Mathematics and Mechanics 8 (1), 10795-10796, 2008 | | 2008 |
| APPLICATIONS OF SOME NEW INEQUALITIES FOR MOMENTS OF ORDER STATISTICS AND L-MOMENTS V Preda, R Ciumara | | 2008 |
