From the early 1960s onwards, Arnold Zellner has been publishing papers in the areas of statistical theory, econometric applications and macroeconomic modelling. This conversation canvasses Zellner's transition from physics to economics, the reason for the renewal of interest in Bayes's theorem...

This paper concentrates on Keynes’s solution to a version of Boole’s Challenge Problem of 1851. The problem is solved by Keynes mathematically at the end of Chapter 15 of the A Treatise on Probability, 1921. A study of this problem demonstrates Keynes’s understanding of Boole’s technique...