EPI is a nonprofit, nonpartisan think tank "that seeks to broaden the public debate about strategies to achieve a prosperous and fair economy." Their web site features briefings, data and reports on economic issues such as minimum wage, trade policies, and employment trends.
IZA is an independent economic research institute that conducts research in labor economics and offers evidence-based policy advice on labor market issues.
"The nonpartisan Migration Policy Institute seeks to improve immigration and integration policies through authoritative research and analysis, opportunities for learning and dialogue, and the development of new ideas to address complex policy questions."
The Urban Institute is a nonprofit research organization that "provides data and evidence to help advance upward mobility and equity. We are a trusted source for changemakers who seek to strengthen decision-making, create inclusive economic growth, and improve the well-being of families and communities."