Evaluations of employment and training programs often use state unemployment insurance (UI) wage records to measure effects on participants’ employment and earnings. However, UI wage records have some constraints, including:
- Missing earnings from certain types of work, such as self-employment, informal “off-the-books” jobs, and employment with the federal government; and
- Not capturing out-of-state work. This MDRC brief examines the implications of relying only on in-state UI wage records to evaluate programs that are designed to increase employment and earnings.
This brief builds on the work of National Evaluation of Welfare-to-Work Strategies, an assessment of a series of programs that were implemented and evaluated in the 1990s, by presenting differences between the National and Oregon-only data sets in employment rate impacts annually through Year 20. It also presents year-by-year differences in earnings impacts, comparing Oregon-only earnings data with data from a broader group of states.
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