Giannis Karagiannis

According to our database, Giannis Karagiannis authored at least 20 papers between 2014 and 2025.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of five.

2025

Aggregation across decision-making units in radial DEA models without inputs or without outputs.

Giannis Karagiannis

Oper. Res., September, 2025

"Bad outputs as inputs", reverse outputs and extended strong disposability.

Giannis Karagiannis, Stavros A. Kourtzidis

Ann. Oper. Res., August, 2025

Inverted VEA for worst-practice benchmarking: with an application to distress prediction of European banks.

Panagiotis Ravanos, Stavros A. Kourtzidis, Giannis Karagiannis

Ann. Oper. Res., April, 2025

Distance-based weighting methods for composite indicators, with applications related to energy sustainability.

Roxani Karagiannis, Giannis Karagiannis

Int. Trans. Oper. Res., January, 2025

2024

On value efficiency analysis and targeted benevolence cross efficiency.

Panagiotis Ravanos, Giannis Karagiannis

J. Oper. Res. Soc., November, 2024

Cross-Efficiency aggregation based on the denominator rule.

Giannis Karagiannis

Expert Syst. Appl., March, 2024

2023

On VEA, production trade-offs and weights restrictions.

Panagiotis Ravanos, Giannis Karagiannis

J. Oper. Res. Soc., October, 2023

2022

Aggregation and decomposition of Farrell efficiencies.

Rolf Färe, Giannis Karagiannis

Oper. Res., 2022

A note on the zero-sum gains data envelopment analysis model.

Thanasis Bouzidis, Giannis Karagiannis

Oper. Res., 2022

2021

Partial average cross-weight evaluation for ABC inventory classification.

Giannis Karagiannis

Int. Trans. Oper. Res., 2021

A regression-based improvement to the multiple criteria ABC inventory classification analysis.

Giannis Karagiannis, Suzanna M. Paleologou

Ann. Oper. Res., 2021

2020

On the denominator rule and a theorem by Janos Aczél.

Rolf Färe, Giannis Karagiannis

Eur. J. Oper. Res., 2020

2019

A benefit-of-the-doubt model with reverse indicators.

Rolf Färe, Giannis Karagiannis, Maryam Hasannasab, Dimitris Margaritis

Eur. J. Oper. Res., 2019

2017

Assessing research effectiveness: a comparison of alternative nonparametric models.

Giannis Karagiannis, Georgia Paschalidou

J. Oper. Res. Soc., 2017

On aggregate composite indicators.

Giannis Karagiannis

J. Oper. Res. Soc., 2017

The denominator rule for share-weighting aggregation.

Rolf Färe, Giannis Karagiannis

Eur. J. Oper. Res., 2017

Data envelopment analysis and its related linear programming models.

Rolf Färe, Shawna Grosskopf, Giannis Karagiannis, Dimitris Margaritis

Ann. Oper. Res., 2017

2016

Productivity measurement in radial DEA models with a single constant input.

Giannis Karagiannis, C. A. Knox Lovell

Eur. J. Oper. Res., 2016

2015

Accounting For Compositional Effects in Measuring Inter-Country Research Productivity Differences: The Case of Economics Departments in Four European Countries.

Giannis Karagiannis, Stelios Katranidis

Proceedings of the 15th International Conference on Scientometrics and Informetrics, Istanbul, Turkey, June 29, 2015

2014

A postscript on aggregate Farrell efficiencies.

Rolf Färe, Giannis Karagiannis

Eur. J. Oper. Res., 2014