agtpa_applications      International Trade Data for Application
                        Exercises in AGTPA
tp_clustered_glm        GLM Regression With Clustered Standard Errors
tp_fixed_effects        Extract Fixed Effects From Regression Objects
tp_summary_app1         Application 1 (Traditional Gravity Estimates)
                        Reporting Style
tp_summary_app2         Application 2 (The "Distance Puzzle" Resolved)
                        Reporting Style
tp_summary_app3         Application 3 (Regional Trade Agreements
                        Effects) Reporting Style
tp_summary_clustered    Stata-Like Clustered Standard Errors Summary
