| Issue Date | Title | Author(s) |
| 29-Dec-2020 | Achieving a sustainable cost-efficient business model in banking: The case of European commercial banks | Badunenko, O; Kumbhakar, SC; Lozano‐Vivas, A |
| 21-Mar-2023 | Better to grow or better to improve? Measuring environmental efficiency in OECD countries with a stochastic environmental Kuznets frontier (SEKF) | Badunenko, O; Galeotti, M; Hunt, LC |
| 1-Nov-2022 | Do Carbon Taxes Affect Economic and Environmental Efficiency? The Case of British Columbia’s Manufacturing Plants | Kumbhakar, SC; Badunenko, O; Willox, M |
| 2017 | Economies of scale, technical change and persistent and time-varying cost efficiency in Indian banking: Do ownership, regulation and heterogeneity matter? | Badunenko, O; Kumbhakar, SC |
| 1-Oct-2021 | The effect of restructuring electricity distribution systems on firms' persistent and transient efficiency: The case of Germany | Badunenko, O; Cullmann, A; Kumbhakar, SC; Nieswand, M |
| 1-Aug-2020 | Energy intensity and long- And short-term efficiency in US manufacturing industry | Badunenko, O; Kumbhakar, SC |
| 2024 | Essays in migration and regional trends in Germany | Popova, Maria |
| 28-Apr-2024 | Market power, optimal scale and competition promotion in banking: Analysis in the GCC region | Alfaihani, S; Badunenko, O; Jaffry, S |
| 20-Apr-2021 | Market size and market structure in banking | Alfaihani, S; Badunenko, O; Jaffry, S |
| 30-Mar-2023 | On distinguishing the direct causal effect of an intervention from its efficiency-enhancing effects | Badunenko, O; D’Inverno, G; De Witte, K |
| 4-Nov-2020 | Persistent and Transient Inefficiency in Adult Education | Badunenko, O; Mazrekaj, D; Kumbhakar, SC; De Witte, K |
| 25-May-2023 | Production analysis with asymmetric noise | Badunenko, O; Henderson, DJ |
| 21-Aug-2012 | Productivity Growth across Spanish Regions and Industries: A Production-Frontier Approach | Badunenko, O; Romero-Ávila, D |
| 2019 | Statistical inference for the Russell measure of technical efficiency | Badunenko, O; Mozharovskyi, P |
| 2016 | When, where and how to estimate persistent and transient efficiency in stochastic frontier panel data models | Badunenko, O; Kumbhakar, SC |
