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Regression-Discontinuity Design Day
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Design Overview Design Examples Vis
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RDD Visual Depiction Comparison
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RDD Visual Depiction Discontinuity,
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Two Rationales for RDD 1. Selection
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Required Assumptions for RD design
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Sharp RD Designs • Requires that
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Estimating Treatment Effects in Fuz
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“Non”-RD designs • No discont
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2. Manipulation of the assignment v
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Diagnostic test • Can perform “
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Analytic Threats to RD Design: Para
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The size of the discontinuity at th
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Functional Form • Put more techni
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Functional Form: Interactions • S
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If we superimpose the regression li
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Here we see an example where the tr
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Adding Nonlinear Terms to the Model
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Adding Nonlinear and Interaction Te
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Adding Terms, Continued • When in
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Example of Parametric Plot used aga
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Non-parametric Approach lim x¯c E[
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3. Semi-Parametric Approach Y i = t
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Problem of Incorrect Bandwidth Sele
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RDD Example 1
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RD Design assumption 1 • Probabil
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Implementation assumption 2 • No
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Analytic assumption 1 continued •
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Shadish et al. (2011) Vocabulary RD
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RDD Example 2
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Best case scenario - regression lin
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- Page 69 and 70: What to do (4) 0 50 100 150 locpoly
- Page 71 and 72: What to do (5) • Move to a tie br
- Page 73 and 74: Example Cocaine Project • Include
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- Page 77 and 78: 2. Dealing with Overrides to the cu
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- Page 83 and 84: Specification of Functional Form No
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- Page 93 and 94: What about cutoff Shift in Number o
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- Page 97 and 98: Take Home Message • Like RE, the
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- Page 101 and 102: Power Considerations Common to Rand
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- Page 109 and 110: Creating A Regression Discontinuity
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- Page 113 and 114: What Is The Target Parameter? • A
- Page 115: Table 1: Bias At the Cutoff Adding
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- Page 121 and 122: Sample Data with Multiple Cutoffs O
- Page 123 and 124: Typical estimation strategy for RDs
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- Page 127 and 128: Generalizing Treatment Effects Acro
- Page 129 and 130: …Also Common in • Meta-Analysis
- Page 131 and 132: What is Special about Pooling RD Es
- Page 133 and 134: Benefits and Tradeoffs of Option 1
- Page 135 and 136: Benefits and Tradeoffs of Option 2
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- Page 139 and 140: Multivariate RDD with Two Assignmen
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