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Open research questions in Efficiency Analysis Using DEA

37 unresolved questions extracted from the limitations and future-work sections of 1,622 Efficiency Analysis Using DEA papers in our library. Each links back to the study that raised it.

What the literature leaves open

  • constraints can impose recurring rather than once-off productivity costs on the sector. system electricity inefficiency 5.1 Summary of Findings This study set out to examine the relationship between and agricultural productivity in Nigeria over the period 1999 to 2023, using transmission and distribution losses as the primary indicator of electricity supply deficits. The empirical evidence from the ARDL bounds testing framework can be summarised in three main findings. First, a statistically robust long-run cointegrating relationship exists among agricultural value added, capital formation, agricultural labour, and electricity transmission and distribution losses. This confirms that electricity system conditions and agricultural productivity are structurally linked over time rather than simply co-moving by coincidence or short-run circumstance. The long-run coefficient on TDL carries the theoretically expected negative sign; persistent delivery inefficiency is associated with lower agricultural output, even if the estimate lacks statistical precision within the present sample. short-run significant Second, electricity system conditions exert a statistically influence on agricultural value added, but through mechanisms that reflect producer adaptation rather than any direct productivity benefit from system deterioration. The positive short-run coefficient on transmission and distribution losses reflects the co-movement of losses with generation throughput and the tendency of agricultural producers to sustain output through captive generation when grid supply deteriorates. The economic cost of this adaptation, expressed through higher operating expenditure and reduced long-run productivity, is the relevant policy concern. Third, the error correction mechanism operates at a speed of approximately 63 percent per year, indicating that deviations from long-run equilibrium are corrected relatively rapidly within agricultural production systems. This adjustment speed reflects the flexibility of labour reallocation and operational intensity adjustments within annual crop cycles; it that persistent electricity supply also implies the primary 5.2 Policy Recommendations The findings carry several implications for electricity sector policy and agricultural development strategy in Nigeria. The most direct implication concerns the composition of electricity sector reform.

    Electricity System Inefficiency and Agricultural Productivity in Nigeria: Empirical Evidence from Transmission and Distribution Losses, 1999 to 2023 · 2026 · DOI

  • Although the study is limited by a sample size of 17 companies, future research can expand its scope to explore MEREC-COBRA applications in other industries and regions, and examine the effects of emerging technologies and economic policy factors.

    Assessing Financial Performance Disparities in the Vietnam Logistics Sector Amidst COVID-19: A Hybrid MCDM Evaluation Approach Using MEREC-COBRA · 2026 · DOI

  • Limitations and suggestions for future studies While this study investigated the evolutionary trends of research efficiency in Chinese universities using national macro-level data, future research could explore efficiency disparities across different types of higher education institutions and incorporate multi-dimensional qualitative metrics.

    Education and Innovation: The Input-Output Efficiency of Research in Chinese Universities · 2026 · DOI

  • Future work will focus on two practical extensions: broader multi-sector replications using harmonized firm databases At the same time, the current empirical implementation is limited to a single-output Cobb-Douglas specification with a particular set of shape restrictions, and—as in all frontier methods (DEA, SFA, and quantile frontiers)—input endogeneity and measurement error remain important challenges.

    DEA-Inspired Constrained Log-Log Quantile Frontier: Smooth Bench-marking, Calibration, and Dynamic Interpretation · 2026 · DOI

  • Future research could address this spatial interdependence by incorporating spatial econometric or network-based frontier approaches that allow for indi- rect linkages and multi-node trade pathways (Fackler, Goodwin, 2001).

    Measuring and Benchmarking Time-Varying Market Efficiency · 2026 · DOI

  • Originality/value - The research is valuable for its application of the super-efficiency SBM and SDM models to the context of road transport networks in South Korea, a relatively underexplored area in transportation studies.

    Network Centrality and Road Freight Efficiency: A Spatial Econometric Analysis of South Korea’s Transport Regions · 2024 · DOI

  • In an endeavour to address this gap in the literature, as well as some of the shortcomings of extant studies on the impact of non-discretionary environmental factors on municipal performance, in this paper we investigate the meta-frontier technological efficiency gap between four categories of local councils in South Australian (SA) local government by placing them all in a common framework using a data envelopment analysis approach.

    Examining Efficiency Differentials by Council Type in South Australian Local Government: An Environmentally Adjusted Meta-Frontier Data Envelopment Approach · 2020 · DOI

  • It is apparent that administrative considerations and technical details need to be explored in greater depth, not only because the search for efficiency in regulation of pollution will be a longstanding problem, but also because there is a tendency to assume that regulatory agencies by their flexibility tend to fulfill their purpose in an efficient manner.

    THEORETICAL EFFICIENCY IN POLLUTION CONTROL · 1970 · DOI

  • Second, comparability: the ratio structure enables cross-sector, cross-jurisdiction, and cross-temporal comparison without standardization.

    THE REGULATORY FRICTION INDEX (RFI-IA) · 2026 · DOI

  • 1 Relation to Prior Work The two-branch decomposition partially addresses the open problem identified in [3]: can Φ be predicted from network parameters without simulation? For the scale response—the log n-slope bnet = ∂ ln Φ/∂ log n, not the magnitude of Φ itself—the answer is a qualified yes.

    Decomposing the Distortion Factor Φ: Myopic and Retry Branches of DTN Routing Efficiency · 2026 · DOI

  • that may explain The main limitation of this study is that it relies exclusively on financial indicators; it cannot directly observe the managerial practices, governance structures, or organizational processes the measured inefficiencies.

    EFFICIENCY IN THE CROATIAN PHARMACEUTICAL SECTOR: A DECOMPOSITION APPROACH USING WDEA AND MPI · 2026 · DOI

  • Future research could examine multi-season data, integrate remote-sensing-based agronomic indicators, explore how constraint clusters evolve over time, and assess how targeted interventions reshape efficiency patterns.

    A Cluster-Analytic Approach to Constraint Typologies and Technical Efficiency among Maize Farmers in Himachal Pradesh · 2026 · DOI

  • Further work on social efficiency evaluation methods may facilitate considerations regarding the transition from the social efficiency notion phase to the concept phase and the idea of using social points for estimating obtained social effects.

    Towards a conceptualization of a social efficiency notion in management sciences · 2020 · DOI

  • Although the results are not characterized by high compatibility, the conducted analysis indicated the most attractive countries taking into account labour cost to profit and turnover ratios of enterprises.

    Labour efficiency in construction industry in Europe based on frontier methods: data envelopment analysis and stochastic frontier analysis · 2017 · DOI

  • The Lithuanian credit unions, though, have not been analysed by the means of data envelopment analysis (DEA) or any other frontier technique so far.

    A non-parametric analysis of the credit unijon performance in Lithuania · 2013

  • This technique enables a rather accurate evaluation of terminal productivity by means of comparative analysis, which, in fact, appears to be the only feasible alternative in cases where statistic data required for performing regressive analysis is lacking.

    RESEARCH INTO THE METHODS OF ANALYSING THE PRODUCTIVITY INDICATORS OF TRANSPORT TERMINALS · 2009 · DOI

  • Despite the conceptual importance of the role of management in the production function, very little is known about the actual effect on output of variations in managerial skill.

    Measuring Managerial Efficiency: The Case of Baseball · 1982 · DOI

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37 open questions have been extracted from the limitations and future-work passages of 1,622 Efficiency Analysis Using DEA papers in our library. Each one below links back to the study that raised it, so you can read the original claim in context.

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