Compared the predictive accuracy of the probability of credit card default payments in Taiwan among four classification methods.

The goal of this project is to measure the impact of each form of advertising (Facebook, YouTube, newspaper) on sales.

This is a study of the effect of immigration on US wages. The study uses difference-in-differences to compare the wages in Miami, the treatment variable, and 4 control group cities before and after the Mariel Boatlift (mass immigration of Cubans to Miami in 1980). If immigration lowers wages, we should expect to see a decrease in wages in Miami relative to control group cities after the Mariel Boatlift.