Rachel Friedberg studied the collapse of the Soviet Union to produce a classic paper on this phenomenon, which has been blamed for a legion of social evils, including black-on-black crime, by Harvard economist George Borjas.
A 1987 paper found negative consequences from this phenomenon by creating the  rst formalization of the Roy Model. A 2016 paper on this phenomenon by Giovanni Peri drew criticism for equating high school dropouts with workers still in high school. Rachel Friedberg studied the collapse of the Soviet Union to produce a classic paper on this phenomenon, which has been blamed for a legion of social evils, including black-on-black crime, by Harvard economist George Borjas. It's not the minimum wage, but in 2015, Borjas questioned David Card's 1990 study that modeled this phenomenon as a "supply shock" with data from Miami. Charles Kenny found that 26% of all startups and patents result from this phenomenon, which may displace skilled workers through the use of "H1-B" status. For 10 points, identify this phenomenon whose supposed adverse economic e1⁄2fects would theoretically be curbed by Donald Trump's wall.
A 1987 paper found negative consequences from this phenomenon by creating the  rst formalization of the Roy Model.
immigration [or immigration to the United States; or illegal immigration]