Tag Archives: Microfoundations

The neoclassical foundational assumption of rational maximization and Buchanan's rational choice theory are "thin" theories of the actor. As a result the models created on the basis of such assumptions are simplifications. The questions is whether they are oversimplifications. That depends on the case. Such assumptions may apply generally in certain simple cases but not to all. Moreover, the assumption of methodological individualism on which microfoundations depends is similarly limited....

When David Vines asked me to contribute to a OXREP (Oxford Review of Economic Policy) issueon “Rebuilding Macroeconomic Theory”, I think what he hoped I would write on how the core macro model needed to change to reflect macro developments since the crisis with a particular eye to modelling the impact of fiscal policy. That would be an interesting paper to write, but I decided fairly quickly that I wanted to say something that I thought was much more important.In my view the biggest...

New paper by Fabio Petri published in Œconomia. From the abstract: With the shift from traditional analyses where capital is a single value factor of variable ‘form’ to the neo-Walrasian versions, general equilibrium theory has encountered new problems pointed out by P. Garegnani (1976, 1990): impermanence problem, price-change problem, substitutability problem radically question the right to consider neo-Walrasian equilibria as approximating the actual path of real economies. The...