But back in 2010, the institutional framework was highly deficient, and the only way to gather and aggregate the relevant expertise was to bring together the Commission, the IMF and the ECB. The ECB was asked to do it and did it as a service to European governments.
The policy objectives and the policy execution framework are known to all policy actors. An open exchange of views and information between individual policy actors can assist the overall outcome if this enhances an understanding of the objectives and strategies to pursue them. However, there cannot be any scope for an active co-ordination of fiscal and monetary policies.