Constant Market Share Analysis (CMSA) is a method which decomposes the variation of market shares of any trader country. The more recent version is proposed by Fagerberg and Sollie (1985) that avoids some limits deriving from previously specifications. After explicating how CMSA works, this note...

The European Commission and euro area central banks use different methods to calculate export market shares and rely on different data sources to do so. Thus, the resulting evidence varies considerably over time, prompting different economic policy conclusions with respect to the development of...

This paper tries to find an answer to the question of why has Finnish exports performed so poorly during the last two decades. It also tries to assess the related question of why is the level of openness of the Finnish economy much lower than in neighboring countries and countries with similar...

Heterogeneity among rivals implies that each firm faces a unique competitive set, despite overlapping market domains. This suggests the utility of a firm-level approach to competitor identification and analysis, particularly under dynamic environmental conditions. We take such an approach in...