The article presents an exchange of letters between Jakob Marschak and Trygve Haavelmo in May-July 1943. Marschak had from the beginning of 1943 become the research director of Cowles Commission at the University of Chicago. Trygve Haavelmo, who at the time worked for the Norwegian Shipping and...

This paper is prepared for the forthcoming publication of Frisch’s 1930 Yale lecture notes, A Dynamic Approach to Economic Theory: The Yale Lectures of Ragnar Frisch (details at: http://www.routledgeeconomics.com/books/A-Dynamic-Approach-to-Economic-Theory-isbn9780415564090). As the lecture...

The title hints at the attention given to the lack of probability considerations in the econometric work of the recognized pioneer of econometrics, Ragnar Frisch. Clues to a better understanding of his position may be found in his comprehensive archive and correspondence. This essay gives a...

The main purpose of this study is to measure the level of the shadow economy in Norway following the demand for currency approach. The question analysed is how well does this approach capture the level of shadow economy in front of a decreasing level of currency in circulation and an increasing...