1. DID reading group, here
2. Online Causal Inference Seminar, here
3. Applied Empirical Methods, here
4. Causal Inference Mixtapes, here
5. Discrete Choice Methods with Simulation, here
6. Python Econ Tools, here, here
Online learning and references
1. Automatic Download and Processing of Demographic and Health Surveys, here
2. Econometrics in R, here
3. Ujjwal's Spatial Thought blog, here
4. Machine learning in economics, resource here
5. Economics and Data Science, here
Coding tools
1. Big data processing in STATA, here
2. Fast fixed effects, in OLS and Poisson in STATA
3. Library of Statistical Techniques (LOST)! here
GIS database
1.AID database, here
2.geoBoundaries, here