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Regression‐Discontinuity Design D
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Design Overview Design Examples Vis
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Real Examples of RD Reading First b
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RDD Visual Depiction Comparison Tre
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Two Rationales for RDD 1. Selection
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Two Rationales for RDD 1. Selection
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1. Overrides to the cutoff: Sharp,
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Fuzzy RD Designs • Requires a dis
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Requirements for Estimating Treatme
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Implementation Threats to RD Design
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Example: AYP Data from Texas Densit
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What to do? • This is a big probl
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Analytic Threats to RD Design: Miss
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Nonlinearities in Functional Form
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Here we see a discontinuity between
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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
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Non‐parametric plot Local linear
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Semi‐Parametric Plot RD data from
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What to do? • Check to see whethe
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Shadish, Galindo, Wong, V., Steiner
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RD Design assumption 2 • Continui
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Implementation assumption 2 • No
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Analytic assumption 1 continued •
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Shadish et al. (under review) Vocab
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RDD Example 2
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Best case scenario - regression lin
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Correct specification of functional
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What to do (2) • Parametric appro
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What to do (4) • State‐of‐art
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What to do (5) • Move to a tie br
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Example Cocaine Project • Include
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What to do (7) • Estimation throu
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2. Dealing with Overrides to the cu
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2. Overrides to the cutoff • Mult
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Specification of Functional Form Pa
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Specification of Functional Form No
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Overrides to cutoff (2) Alternative
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Final estimates Function al form Pa
- Page 91 and 92: Addressing Potential Issues with us
- Page 93 and 94: IS Wong et al. a Fallible RD or Ins
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- Page 97 and 98: Fallible RD? • Now we look for di
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- Page 101 and 102: Summarizing Checks - Conditional Me
- Page 103 and 104: Other Kinds of Threats with RD 1. L
- Page 105 and 106: Variance of Impact Estimator in RA
- Page 107 and 108: Variance of Impact Estimator in RDD
- Page 109 and 110: Power Considerations Unique to RDD
- Page 111 and 112: Generalizing Beyond The Cut‐off I
- Page 113 and 114: Observed vs Counterfactual Outcomes
- Page 115 and 116: Questions About Generalizing From R
- Page 117 and 118: What Do We Mean By Comparison Group
- Page 119 and 120: Our Purpose • Use experimental da
- Page 121 and 122: What Is The Target Parameter? • A
- Page 127 and 128: What About The Above The Cut‐Off
- Page 129 and 130: Root Mean Square Error In Experimen
- Page 131 and 132: Post-Treatment Medicaid Expenditure
- Page 133 and 134: Results For Number of Unpaid Worker
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- Page 137 and 138: Conclusions re Using a Comparison R
- Page 139 and 140: Implications for Practice • Which
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- Page 145 and 146: Examples • Black, Galdo, and Smit
- Page 147 and 148: Issue 2: To pool or not pool across
- Page 149 and 150: Pooling is Already Common in Social
- Page 151 and 152: What is Special about Pooling RD Es
- Page 153 and 154: Estimating Treatment Effects across
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- Page 157 and 158: Generalizing Across Multiple Assign
- Page 159 and 160: Multivariate RDD with Two Assignmen
- Page 161 and 162: Recent Education Examples of RDDs w
- Page 163 and 164: Frontier‐specific Effect (τ R )
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- Page 167 and 168: Frontier Approach Estimates the dis
- Page 169 and 170: Univariate Approach Addresses dimen
- Page 171 and 172: Monte Carlo Study Wong, V., Steiner
- Page 173: Implications for Practice • Which