It would indeed be folly not to insist on a rigorous evaluation of the economic consequences before joining the monetary system.

ECONOMIST: Bagehot

For a variety of technical and economic reasons, evaluation programs as proposed by Huawei and ZTE are less useful than one might expect.

FORBES: A Better Approach To Huawei, ZTE And Chinese Cyberspying? Distrust And Verify

This could lead to misleading evaluation of national and local suicide prevention strategies and a masking of the effects of economic difficulties on suicide rates, they suggest.

BBC: Official data 'masking suicides'