Hahn and Economic Methodology

Hahn on Methodology: The Quest for Understanding addresses two fundamental questions: (i) what is distinctive about economic theorising?; (ii) what is the cognitive value of the outcome of this activity of economic theorising, i.e. economic theory. We will argue that for Hahn, economic theorising is distinctive with respect to four dimensions. Firstly, the aim of economic theory is neither to describe nor explain the real economic world, as in the physical sciences. Rather the aim is to achieve objective, but non-scientific, understanding. Secondly, the central question for economic theory remains for Hahn how to understand, but not to predict as in physics for instance, how decentralised choices interact and perhaps get co-ordinated. Thirdly, Hahn identifies 'three commitments' without which, he argues, economic theorising for him is not possible. Finally, economic theorising has a distinctive approach, which Hahn calls its 'grammar of argumentation'.

1. Introduction 2. Hahn in Context: An Overview 3. Hahn's Hostility to Methodology 4. In defence of Economic Theorising 5. The Core of Neoclassical Economics 6. Economics and Axiomatization 7. Kaldor and Hahn on Equilibrium Economics 8. Economics, Mathematics and Rationality: A New Grammar of Argumentation 9. Economic Theory and Han's Virtues of Understanding

Thomas A. Boylan is Personal Professor of Economics at the National University of Ireland, Galway. Paschal F. O’Gorman is Personal Professor of Philosophy at the National University of Ireland, Galway. Both Professorshave collaborated over the last 20years and have co-written and co-edited a number of books (all with Routledge), and published extensively in an array of international journals.