These are the documents cited in the posts:
*1 COMPLETING EUROPE’S ECONOMIC AND MONETARY UNION Report of the Five Presidents (European Commission, June 2015)
*2 from COMMUNICATION FROM THE COMMISSION TO THE EUROPEAN PARLIAMENT, THE COUNCIL AND THE EUROPEAN CENTRAL BANK On steps towards Completing Economic and Monetary Union (Brussels 31.10.2015)
*3 from SN/IA/5944 in the House of Commons Library (on the Acquis Communautaire)
*4 Eurostat: “Intra-EU trade in goods and services – recent trends”
A detailed critique of the report (*1) can be found in the Five Presidents Report, in this blog.
This EU Won't Work 