Companion Stata do and R script files for Applied Econometrics courses taught at IBA, Karachi. JW stands for Jeffery Wooldridge and SW stands for Stock and Watson Refer to 12.1_SW and 15.1_JW for introductory IV lectures. TS1, TS2, and TS3 for basic time series analysis. PoE_ch11 contains demand and supply for truffles example related to simultaneous equation model probit/logit.R contains Coke data example for lpm, logit, probit and marginal effects