He subsequently qualified as a barrister at Lincoln's Inn and was later awarded a PhD in Law and Economics by the University of Kent.
In 1969 Dale became founder and editor of International Currency Review, a journal specialising in global financial markets which continued in publication (under new ownership from 1973) for the next forty years.
He held a Rockefeller Foundation International Relations Fellowship in 1981/83 and was affiliated with the Brookings Institution in Washington DC, where he was a consultant to the Group of Thirty and testified before Congressional committees on the Latin American debt crisis.
Outside his academic work Dale was a consultant to the Banking Association of South Africa and to several City institutions, including N.M. Rothschild and the Corporation of London.
In his retirement, Dale has written two books and several journal articles on historical subjects ranging from the downfall of Sir Walter Raleigh to medieval pilgrimage.