I Preliminaries: Introduction -- Abstract Social Choiuce Problems and Concrete Resource Allocation Problems -- Describing an Allocation Problem: a Checklist -- II Axiom Types: Axiom Format -- Axiom Content: Delineating Broad Categories -- Axiom Content: Punctual Requirements on Welfare...

The purpose of this note is to propose a two-way classification of the axioms of the theory of economic design, and to map out directions for future research that we perceive as particularly promising.