The VWRCA Index: Measuring a Country’s Comparative Advantage and Specialization in Services. The Case of Poland

In the extant body of literature on servitization economy, one hand, and determinants growth development, other, classic question revealed comparative advantage (RCA) plays a prominent role. Regardless popularity, relevance, validity use RCA as part multivariate queries above topics, this paper argues that alone offers rather static insight into country’s economic performance. Most importantly, take does not allow us to query degree specialization in services sector. By inserting itself broader discussion ways bypassing limitations inherent index, proposes novel i.e., Visvizi–Wosiek (VWRCA) and, subsequently, applies it study evolution sector Poland over period 2010–2019. The added value VWRCA index is threefold. (i) recognizing increasing role global serves useful tool aimed at examining structure given production certain services, real country has group/category services. (ii) focusing solely allows examine volume velocity trade independently from goods. (iii) Due resulting methodological accuracy, enables inclusion temporal dimension analysis, which turn gives cues specific developments actual performance economy regarding