synthetic difference-in-differences

How much did the 2016 Brexit vote cost the British economy? This Python tutorial builds a look-alike United Kingdom from other wealthy economies with six related methods, finds output about 3 percent lower by the end of 2018, and shows how default settings can quietly change the answer. It comes with an interactive app that runs in your web browser.

How much did the 2016 Brexit vote cost the economy of the United Kingdom? We build a look-alike United Kingdom from other rich countries, step by step through a ladder of increasingly flexible methods, and compare what each step says. This R tutorial includes cheat sheets for Stata and Python and an interactive app that runs in your web browser.