PhD International Trade Materials

Over the past seven years, Arnaud Costinot (MIT) and I have the developed the following teaching materials for a first course in PhD-level International Trade.  I would be grateful for suggestions for improvement.

Materials from an 18-Class course at Stanford (Econ 266) in Winter 2016: 

Materials used in previous versions of a similar course (so quite out-dated in places): 

Current Teaching
Past Teaching