Revisions need to be handled carefully. Most data are revised from time to time, but if revisions are large enough to re-write history, the original data would have had the potential to mislead policymakers. The earlier we can learn about upcoming revisions and what is driving them the better. Another thing that matters for us and for all users of Official Statistics is harmonisation.
The economic data Statistics New Zealand produces should ideally be consistent with the financial data the Reserve Bank produces. There is real value in working off a common business register when we are putting together institutional statistics. That has real benefits for all users. BIS central bankers’ speeches  1  What would be our top four ‘wants’ from Statistics New Zealand?