That report, finished on the 8 October 1970, was sent to the Ministers of Finance in the first instance, laid down the achievement of Economic and Monetary Union by 1980. The Werner report proposed the inception of an independent institution for fiscal monitoring and coordination. This idea clearly reflected that a single monetary policy would need support from sound public finances.
the non-standard measures implemented by central banks and the level of interest rate, there is a risk that market participants might interpret a decision about one part of the exit as paving the way for the rest. Markets may then overreact to a specific decision, attributing to it an excessive signalling content.