CREAT: Census Research Exploration and Analysis Tool

Considering the Use of Stock and Flow Outcomes in Empirical Analyses: An Examination of Marriage Data

January 2017

Working Paper Number:

CES-17-64

Abstract

This paper fills an important void assessing how the use of stock outcomes as compared to flow outcomes may yield disparate results in empirical analyses, despite often being used interchangeably. We compare analyses using a stock outcome, marital status, to those using a flow outcome, entry into marriage, from the same dataset, the American Community Survey. This paper considers two different questions and econometric approaches using these alternative measures: the effect of the Affordable Care Act young adult provision on marriage using a difference-indifferences approach and the relationship between aggregate unemployment rates and marriage rates using a simpler ordinary least squares regression approach. Results from both analyses show stock and flow data yield divergent results in terms of sign and significance. Additional analyses suggest prior-period temporary shocks and migration may contribute to this discrepancy. These results suggest using caution when conducting analyses using stock data as they may produce false negative results or spurious false positive results, which could in turn give rise to misleading policy implications.

Document Tags and Keywords

Keywords Keywords are automatically generated using KeyBERT, a powerful and innovative keyword extraction tool that utilizes BERT embeddings to ensure high-quality and contextually relevant keywords.

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:
analysis, economist, econometric, estimator, trend, regression, insurance, recessionary, employment statistics, disparity, marriage, divorced, trends employment, couple

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:
American Community Survey, National Center for Health Statistics, Department of Health and Human Services

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