This editorial is the introduction to a special issue of <italic>Economics Systems Research</italic> on the topic of intercomparison of multi-regional input-output (MRIO) databases and analyses. It explains the rationale for dedicating an issue of this journal to this area of research. Then the six papers chosen...

The past few years have seen the emergence of several global multiregional input-output (MRIO) databases. Due to the cost and complexity of developing such extensive tables, industry sectors are generally represented at a rather aggregate level. Currently, one of the most important applications...

The construction of multi-regional input-output tables is complex, and databases produced using different approaches lead to different analytical outcomes. We outline a decomposition methodology for investigating the variations that exist when using different multiregional input-output (MRIO)...