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Journal Article
Haschka, Rouven E. (2022). Handling Endogenous Regressors Using Copulas: A Generalization to Linear Panel Models with Fixed Effects and Correlated Regressors. J. Mark. Res., 59 (4). S. 860 - 882. THOUSAND OAKS: SAGE PUBLICATIONS INC. ISSN 1547-7193
Haschka, Rouven E. and Herwartz, Helmut (2022). Endogeneity in pharmaceutical knowledge generation: An instrument-free copula approach for Poisson frontier models. J. Econ. Manage. Strategy, 31 (4). S. 942 - 961. HOBOKEN: WILEY. ISSN 1530-9134
Haschka, Rouven E., Herwartz, Helmut, Struthmann, Philipp and Walle, Yabibal M. 
ORCID: 0000-0001-9594-1361
(2022).
The joint effects of financial development and the business environment on firm growth: Evidence from Vietnam.
J. Comp. Econ., 50 (2).
S. 486 - 507.
SAN DIEGO:
ACADEMIC PRESS INC ELSEVIER SCIENCE.
ISSN 1095-7227