event study

Evaluating the Impact of Infrastructure: A Beginner's Guide to Difference-in-Differences with the Jamuna Bridge

When a major bridge connected millions of people in northwest Bangladesh to the capital in 1998, did the region's economy take off? This beginner-friendly Python tutorial uses satellite images of nighttime lights to compare the connected region with a similar one that stayed isolated, before and after the bridge opened.

Do Industrial Parks Work? Evaluating Place-Based Policy in Ethiopia with Difference-in-Differences

Do industrial parks bring more economic activity to nearby towns, and who benefits? This Python tutorial compares places that got a park with places that did not, before and after it opened, using simulated data modeled on Ethiopia, and also looks at household welfare and outcomes for women. It comes with an interactive app that runs in your web browser.

Staggered Synthetic Difference-in-Differences (SDID) in Stata: Gender Quotas and Women in Parliament

Do gender quotas raise the share of women in national parliaments? In Stata, we compare 9 countries that adopted quotas in different years with look-alike groups built from 110 countries without quotas, and find an average gain of about 8 percentage points that varies a lot across countries. The tutorial includes an interactive app that runs in your web browser.