Haschka, Rouven ORCID: https://orcid.org/0000-0002-2916-9745 (2024) Endogeneity in stochastic frontier models with 'wrong' skewness : copula approach without external instruments. Statistical Methods and Applications, 33 (3). pp. 807-826. DOI 10.1007/s10260-024-00750-4
Haschka, Rouven ORCID: https://orcid.org/0000-0002-2916-9745 and Wied, D (2025) Skewness Issues in Quantifying Efficiency : Insights from Stochastic Frontier Panel Models Based on Closed Skew Normal Approximations. Computational Economics . DOI 10.1007/s10614-025-10857-9
Haschka, Rouven ORCID: https://orcid.org/0000-0002-2916-9745 and Herwartz, Helmut (2025) Utilizing managerial beliefs for set identification of price elasticities of demand. Journal of the Academy of Marketing Science . DOI 10.1007/s11747-025-01090-9
