In fall 1935, Abraham Wald presented an existence proof for a general equilibrium of exchange model to Karl Menger's Mathematical Colloquium in Vienna. Due to limited space, the paper could not be printed in the eighth proceedings of the Colloquium (the Ergebnisse) published in spring 1937 but...

In this review essay of Medema's and Waterman's collection of some of Samuelson's writings in the history of economics, the author argues that Samuelson's claim to have written “Whig History” is spurious. Moreover the author argues that Samuelson's own writings on modern economics are,...

The theorem proving the existence of general equilibrium in a competitive economy, which necessarily involved specifying the conditions under which such an equilibrium would exist, is an extraordinary achievement of twentieth-century economics. The discovery is commonly attributed to a paper by...