Ostrihoň, F. (2026) “Reconsidering the Time-Series Approach to Estimating Cigarette Price Elasticities when Exploitation of Spatial Variation Appears Unattainable: The Case of Slovakia”, Ekonomický časopis/Journal of Economics, 73(9-10), pp. 411–432. doi:10.31577/ekoncas.2025.09-10.02.