'What a difference a data version makes'
Guest blog by Peter van Bergeijk on the challenges and potential benefits of different data versions.
Data sources are regularly updated. Users typically assume that this means that new, more recent data are added and that errors are corrected. Newer data are better. But are they? And what are the implications for replication?
Taking a closer look at the IMF world economic outlook database, this guest blog by Peter van Bergeijk points out challenges and potential benefits of the existence of different data versions.