[Uber Eats] Measure Long-Term Effects

Problem

How would you know if the one-year lifetime value (LTV) of users increased given that a test ran on users the first week after they signed up? 

Tips

This is a problem that requires you to test whether a short-term experiment (1-2 weeks) improves a long-term metric, the one-year lifetime of a customer. You can frame the problem in the following manner:

1. Ask cla...