States incentive for illegal immigrants

Breitbart:

In a report entitled “Immigrants Tend to Live in High Welfare Benefit States,” published on Jan. 26, 2015, the National Bureau of Economic Research (NBER) determined that “the generous welfare benefits offered by some states have magnetic effects and alter the geographic sorting of immigrants in the United States”–attracting many to California.

The report found that “there is a ‘striking and easily observable clustering of immigrants in high-benefit states.” As California rose from offering medium benefit levels in 1970 to “almost the most generous in the nation” by 1990, the benefit levels served as a magnet for less-educated immigrants.
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This is what liberals don't get.  They give people an incentive to come to states with generous welfare benefits instead of to places where there is work.