The paper seeks to approach the effect of the Pension Funds Administrator's (AFP) affiliation to a business group, specifically in terms of performance and investment decisions. We used the Malmquist index from the DEA methodology (2001-2010) and the investments made by the AFPs and the...

We propose a two-stage MRQAP to analyze dynamic network data, within the framework of an equilibrium-correction (EC) model. Extensive simulation results indicate practical relevance of our method and its improvement over standard OLS. An empirical illustration additionally shows that the EC...

The article is devoted to the study and modeling of the behavior of Ukrainian consumers in the tourist services market in the context of the Russian military invasion of Ukraine. The authors conducted a study of current global market trends in the aspect of the functioning of the industry in the...