Regression-Discontinuity Design - Institute for Policy Research

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Multivariate RDD with Two Assignment Variables Treatment effects estimated τ R τ M τ MRD
Recent Education Examples of RDDs with Multiple Assignment Variables • College financial aid offer (van der Klaauw, 2002; Kane, 2003) • Remedial education (Jacob & Lefgren, 2004a) • Teacher professional development (Jacob & Lefgren, 2004b) • High school exit exams (Martorell, 2005; Papay et al. 2010) • No Child Left Behind (Gill et al., 2007)
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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
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Addressing Potential Issues with us
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IS Wong et al. a Fallible RD or Ins
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African‐American Home language Sp
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Fallible RD? • Now we look for di
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McCrary Test for New Jersey
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Summarizing Checks - Conditional Me
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Other Kinds of Threats with RD 1. L
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Variance of Impact Estimator in RA
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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
Page 135 and 136: Results For Expenditures With Expen
Page 137 and 138: Conclusions re Using a Comparison R
Page 139 and 140: Implications for Practice • Which
Page 141 and 142: RD with Multiple Cutoffs Design (as
Page 143 and 144: Analyzing RDs with Multiple Cutoffs
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
Page 155 and 156: Estimating Treatment Effects across
Page 157 and 158: Generalizing Across Multiple Assign
Page 159: Multivariate RDD with Two Assignmen
Page 163 and 164: Frontier‐specific Effect (τ R )
Page 165 and 166: Requirements for a valid Multivaria
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
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Regression-Discontinuity Design - Institute for Policy Research

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