No authors propounded the ideas of economic liberalism in Sweden during the 1920s as vigorously as did Cassel and Heckscher, and in addition they cer… - Bertil Ohlin

I started [in 1921] to write on the foundations of an approach to international trade theory that was to some extent new and for which I received the inspiration during a stroll on [the popular promenade] Unter den Linden in Berlin in 1920.

To me it is a riddle that , who for most of his life was a fanatical representative of extreme opinions in the social debate, could present a completely different personality in the scholarly context. During the period when I knew him he was the diffident seeker after scientific truth.

I am presently at work on a dissertation dealing with the theory of international trade and foreign exchange rates. In dealing with this, studies of the intervention of recent years in the area of trade and exchange rates of different countries is of the greatest importance. I therefore hope to be able to begin a six month study tour to Switzerland, France and England at the end of May this year. After having collected the necessary material I intend — if the economic side can be arranged — during a stay of 6–12 months in England (probably Cambridge) or possibly the United States (in that case probably Harvard University) — to work out the above mentioned dissertation as a specimen for the doctoral degree in philosophy and pursue studies in general. I have not yet any detailed study plan. That should appropriately be set up after the arrival.