Regression Discontinuity - Institute for Policy Research
Regression Discontinuity - Institute for Policy Research
Regression Discontinuity - Institute for Policy Research
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What Is The Target Parameter?<br />
• Average untreated outcome above the cut-off<br />
score.<br />
– The corresponding experiment is random assignment<br />
among people above the cut-off.<br />
– Here, that means random assignment of people over<br />
age 50 <strong>for</strong> one assignment variable and random<br />
assignment of people with expenditures over $7000<br />
last year.<br />
• We also look at the functional <strong>for</strong>ms that are<br />
extrapolated beyond the cut-off. This gives a<br />
sense of the RD estimates that would result if<br />
different cut-off values were selected.