The potential synergies between both functions are large, but it takes continuous efforts to realise those. In The Netherlands we have a strong tradition of basing policy on scientific insights, thanks to the efforts made by Tinbergen and the Netherlands Bureau for Economic Policy Analysis (CPB).
For example, many surgical procedures that used to require an overnight stay in a hospital now can be performed on an outpatient basis, and the producer price index and consumer price index are now better able to measure the price decline associated with that change.