set identification.

A method of inference that narrows a parameter to a set of values rather than one point.

Use it for

Words that belong together

• set identification of a parameter
• set-identified bounds
• partial identification

On the page

The weak instrument left the treatment effect set-identified within a broad interval.

Usage notes

The identified set may be an interval or a more complex region; it contrasts with point identification, which uniquely determines a parameter.