Construction of Three-Dimensional Sections of the Efficient Frontier for Non-convex Models von Krivonozhko, V. E., Lychev, A. V., Blokhina, N. S.

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Frontier Visualization and Estimation of Returns to Scale in Free Disposal Hull Models von Krivonozhko, V. E., Lychev, A. V.

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Convex Isoquants in DEA Models with Selective Convexity von Afanasiev, A. P, Krivonozhko, V. E, Lychev, A. V, Sukhoroslov, O. V

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Frontier visualization for nonconvex models with the use of purposeful enumeration methods von Krivonozhko, V. E., Lychev, A. V.

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Algorithms for construction of efficient frontier for nonconvex models on the basis of optimization methods von Krivonozhko, V. E., Lychev, A. V.

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Convex Isoquants in DEA Models with Selective Convexity von Afanasiev, A. P., Krivonozhko, V. E., Lychev, A. V., Sukhoroslov, O. V.

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Comparison of Different Methods for Estimation of Returns to Scale in Nonradial Data Envelopment Analysis Models von Krivonozhko, V. E., Afanasiev, A. P., Førsund, F. R., Lychev, A. V.

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On Some Generalization of the DEA Models von Krivonozhko, V. E., Utkin, O. B., Safin, M. M., Lychev, A. V.

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Measurement of returns to scale in radial DEA models von Krivonozhko, V. E., Lychev, A. V., Førsund, F. R.

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Improving the frontier in DEA models von Krivonozhko, V. E., Førsund, F. R., Lychev, A. V.

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Synthetic Data Generation for Data Envelopment Analysis von Lychev, Andrey V.

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Convex Isoquants in Dea Models with Selective Convexity von Afanasiev, A. P., Krivonozhko, V. E., Lychev, A. V., Sukhoroslov, O. V.

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Multi-stage efficiency evaluation in the aerospace industry using FDH model: From theory to activity von Lychev, A. V., Rozhnov, A. V.

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Models and methods for decision making support in the negotiation process von Krivonozhko, V. E., Piskunov, A. A., Lychev, A. V., Piskunova, M. A.

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The Efficiency of National Innovation Systems in Post-Soviet Countries: DEA-Based Approach von Ratner, Svetlana V., Balashova, Svetlana A., Lychev, Andrey V.

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Measurement of returns to scale using a non-radial DEA model von Krivonozhko, V. E., Førsund, F. R., Rozhnov, A. V., Lychev, A. V.

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On comparison of ratio analysis and data envelopment analysis as performance assessment tools von Krivonozhko, V. E., Piskunov, A. A., Lychev, A. V.

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Identifying suspicious efficient units in DEA models von Krivonozhko, V. E., Førsund, F. R., Lychev, A. V.

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Network DEA and Its Applications (2017–2022): A Systematic Literature Review von Ratner, Svetlana V., Shaposhnikov, Artem M., Lychev, Andrey V.

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Methods for determination of multiple reference sets in the DEA models von Krivonozhko, V. E., Førsund, F. R., Lychev, A. V.

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