Code

Python

Interactive notebooks for introduction to Python for numerical computations and data analysis

Git repository: https://github.com/richardfoltyn/python-statistics

Fortran

numfort library for numerical computation

A re-implementation of NumPy and SciPy in Fortran, on a much smaller scale.
Git repository: https://bitbucket.org/richardfoltyn/numfort/

fortran-corelib

Provides some core functionality for Fortran that is taken for granted in modern languages, such as variable-length strings and collections.
Git repository: https://bitbucket.org/richardfoltyn/fortran-corelib

Notes

Discrete choice models with taste shocks
Derivations for macroeconomic models with discrete choices and taste shocks

Older material

Results from the Dixit/Stiglitz monopolistic competition model

Beginner's guide to the Dixit/Stiglitz model I wrote as an undergrad. I'll keep this online since it continues to receive substantial numbers of downloads.