Sintia Radu, U.S. News, Nov. 10, 2017 - ""What is the right amount and the right type of immigration for the Unites States?" asks Stephen Yale-Loehr, an immigration law professor at Cornell University. ... [I]t is difficult to assess the impact of the visa lottery on low-skill immigration as data on the topic is scarce.
"Nobody knows if it's helping low-skill immigration. We don't have good statistical outcomes about any kind of immigration. We just don't track immigrants after they arrive in the U.S. to find out how they are doing five or ten years later," Yale-Loehr says.
If the lottery were to be eliminated, experts says it is hard to predict what would happen to the 50,000 visas allocated to the program. Dropping the program would also ask more fundamental questions about the U.S. immigration system.
"Is it a zero-sum game such that those 50,000 visas go to some other categories?" Yale-Loehr asks. "Should we have more immigration altogether? Should we have less?" "