Butkus, M., Dargenytė-Kacilevičienė, L., Matuzevičiūtė, K., Ruplienė, D. and Šeputienė, J. (2024) “Simultaneous, endogenous, and bi-directional relationship between output, labour productivity, and employment: a 3SLS estimation of the employment version of Okun equation”, Journal of Business Economics and Management, 25(5), pp. 1030–1051. doi: 10.3846/jbem.2024.22425.