Reading Mas-Colell

Welcome to Reading Mas-Colell!
The blog is intended for any student taking an advanced microeconomics course, any faculty member teaching such material, or indeed anyone interested in microeconomics and its role in the discipline.
Rigor Mortis?
Thirteen Ways to Split a Cake*
Situating Microeconomics

The Theory of the Firm: Language, Model and Reality
In a previous post we queried whether the theory of the consumer as developed in the first three chapters of Mas-Colell, Whinston and Green (and indeed other comparable texts) provides anything by way of content beyond what is implied by the abstract description of consumers as agents who are maximizing something. [We did not discuss chapter four, on aggregation of demand, to which we may return later]. As we noted then, a comparable point can be made about the theory of the firm.

Solomonic Judgment vs. Sophists, Economists and Calculators [1] [2]
Given the choice, would you accept to live in a society where happiness and prosperity is guaranteed for all on the condition that one single person be kept permanently unhappy? Is the well-being of thousands of people “worth” the sacrifice and suffering of a single innocent child? Such is the dilemma to which the inhabitants of the utopian city of Omelas are confronted in Ursula Le Guin’s philosophical short-story “The Ones Who Walk Away from Omelas”. In her parable, most people are ultimately able to come to terms with the atrocity. The few citizens who cannot end up walking away from the city — nobody knows where they go and they are never heard from again.