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Symbolic regression for better specification

Tsionas, Efthymios G.; Assaf, A. Georges - In: International journal of hospitality management 91 (2020), pp. 1-4

Persistent link: https://www.econbiz.de/10012388571

Testing moderation effects using non-parametric regressions

Assaf, A. Georges; Tsionas, Efthymios G.; … - In: International journal of hospitality management 86 (2020), pp. 1-5

Persistent link: https://www.econbiz.de/10012241524

Diagnosing and correcting the effects of multicollinearity : Bayesian implications of ridge regression

Assaf, A. Georges; Tsionas, Efthymios G.; Tasiopoulos, … - In: Tourism management : research, policies, practice 71 (2019), pp. 1-8

Persistent link: https://www.econbiz.de/10011987744

Regression trees for hospitality data analysis

Tsionas, Efthymios G.; Assaf, A. Georges - In: International journal of contemporary hospitality management 35 (2023) 7, pp. 2374-2387

Persistent link: https://www.econbiz.de/10014314778

Bayesian input-output table update using a benchmark LASSO prior

Tsionas, Efthymios G. - In: Economic systems research 32 (2020) 3, pp. 413-427

Persistent link: https://www.econbiz.de/10012263572

Quantile stochastic frontiers

Tsionas, Efthymios G. - In: European journal of operational research : EJOR 282 (2020) 3, pp. 1177-1184

Persistent link: https://www.econbiz.de/10012161889

The profit function system with output- and input-specific technical efficiency

Tsionas, Efthymios G. - In: Economics letters 151 (2017), pp. 111-114

Persistent link: https://www.econbiz.de/10011742145

Robust Bayesian inference in stochastic frontier models

Tsionas, Efthymios G. - In: Journal of risk and financial management : JRFM 12 (2019) 4/183, pp. 1-9

We use the concept of coarsened posteriors to provide robust Bayesian inference via coarsening in order to robustify posteriors arising from stochastic frontier models. These posteriors arise from tempered versions of the likelihood when at most a pre-specified amount of data is used, and are...

Persistent link: https://www.econbiz.de/10012171282

Convex non-parametric least squares, causal structures and productivity

Tsionas, Efthymios G. - In: European journal of operational research : EJOR 303 (2022) 1, pp. 370-387

Persistent link: https://www.econbiz.de/10013363921

Estimating monotone concave stochastic production frontiers

Tsionas, Efthymios G. - In: Journal of business & economic statistics : JBES ; a … 40 (2022) 3, pp. 1403-1414

Persistent link: https://www.econbiz.de/10013539534