In March 1969, Valéry Giscard d’Estaing, MP and former French Minister for Finance and Economic Affairs, writes a long article in the French economic affairs magazine L’Expansion in which he opposes the increase in the price of gold and recommends the introduction of a genuine European currency.

In April 1969, in an interview with the monthly publication Communauté européenne, former French Finance Minister, Valéry Giscard d'Estaing, analyses the pressing problems, particularly monetary issues, which are dogging the process of European integration.

In June 1969, Pierre Werner, President of the Government and Minister of Finance of Luxembourg, describes in the monthly magazine of the Dutch European Movement, Nieuw Europa, the various aspects and steps towards the creation of a monetary union in Europe.

Im Rahmen eines Kolloquiums in Österreich im Jahre 1974 zur wirtschaftlichen und politischen Lage in Europa spricht der Vorsitzende der internationalen Paneuropa-Union Otto von Habsburg-Lothringen über seine Einschätzung der europäischen Wirtschafts- und Währungspolitik und ruft zur Schaffung einer einheitlichen europäischen Währung auf.

On 26 April 1967, in an article in the Brussels daily newspaper Le Soir, the Belgian economist, Louis Ameye, analyses the implications for the economies of the Six of a reform of the European Monetary System (EMS).