1934 Alan became chief editor, Economist, Bank of New South Wales. During the War, he paid two visits to the United States, to an F.A.O. preparatory commission and 1944 was Counsellor at the New Zealand Legation in Washington D.C. He also attended the Bretton Woods Conference as well as the 1946 Paris Peace Conference, before taking up his job later that year, on the staff of the International Monetary Fund. Allan retired in 1960 and lived in England for the remainder of his life.