True or False: In using the basic Difference-in-Differences (DD) setup, you do not have to assume that average health trends are identical for low-income and middle-income families in the absence of the expanded health care policy.

True

Explanation:

Difference in Difference setup is a technique used in econometrics to attempt experimental research design using observational study data. It is used to control unobserved variables. There is no need for the assumption of average health trends.

answer; a database is an organized collection of data in digital format that users to keep track of information;