Purpose: The purpose of the paper is to investigate the β-convergence process between European Union member states in the period 2000-2014 and identify channels of that process. The paper attempts to illustrate if the investigated group of countries experienced convergence because of capital accumulation, technological catching-up or via both mechanisms. Design/methodology/approach: The framework used to test the relative strength of neoclassical and technological catching-up as convergence driving forces combines the neoclassical and endogenous representations of the economic growth process. The tests are conducted with the use of cross- sectional as well as panel data analysis, including the proper methods of estimation. Findings: The pap...