"What Donald Trump’s deportation plans would do to American businesses"
...One of the analyses, released by the National Bureau of Economic Research on Monday, offers the first detailed estimates of how a policy of mass deportation would affect specific industries. The authors, Ryan Edwards and Francesc Ortega of Queens College, City University of New York, came up with a few unexpected results...
...If all undocumented workers were immediately removed from the country, Edwards and Ortega forecast a decline of 9 percent in agricultural production and declines of 8 percent in construction and leisure and hospitality over the long term...
...Edwards and Ortega estimate that undocumented workers are responsible for about 3 percent of the U.S. economy overall. Deporting all of them would result in a substantial contraction.