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Quantitative Data Availability and Measurement of U.S. Immigrant and Immigration Policies: IMR Methods Note
Abigail Weitzman1, Julia Behrman2, Marta Ascherio1
1Department of Sociology, University of Texas at Austin.
The International Migration Review
|October 6, 2025
Summary
Quantitative data on U.S. immigrant and immigration policies (IIPs) has grown, enabling sophisticated studies on their effects. Future research should compare measures and explore diverse population impacts.
Area of Science:
- Social Sciences
- Public Policy
- Demography
Background:
- Quantitative data on U.S. immigrant and immigration policies (IIPs) has significantly increased over the past two decades.
- Scholarly investigations into IIPs have advanced, utilizing new data sources, measures, and analytical strategies.
- This growing body of research aims to understand the effects of IIPs on both immigrant and non-immigrant populations.
Purpose of the Study:
- To review quantitative data sources, measures, and analytical strategies for studying U.S. immigrant and immigration policies (IIPs).
- To highlight advances in identifying the intended, unintended, and spillover effects of IIPs.
- To discuss challenges and future opportunities for research on the psychosocial, behavioral, and health implications of IIPs.
Main Methods:
- Review of quantitative data sources and scholarly literature on U.S. immigrant and immigration policies (IIPs) from the last 20 years.
- Analysis of analytical strategies employed in IIP research.
- Synthesis of findings on IIP effects and identification of research gaps.
Main Results:
- The availability of data on immigration enforcement and immigrant laws has spurred sophisticated quantitative studies of the U.S. IIP climate.
- Research has advanced in identifying the effects of IIPs on various populations.
- Existing work can be strengthened by comparing IIP measures, exploring heterogeneous effects, and addressing endogeneity.
Conclusions:
- Increased quantitative data and sophisticated methods are enhancing the study of U.S. immigrant and immigration policies (IIPs).
- Further research is needed to compare IIP measures, examine effects across diverse subpopulations, and account for the political and demographic factors shaping IIPs.
- Addressing these areas will deepen our understanding of the psychosocial, behavioral, and health implications of IIPs.
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