H1B isn't like normal immigration in its effects on wages. They do come over here, but they are at the mercy of their employer to stay. This makes it so the employee can be far more abused (paid lower, working far more hours in worse conditions, ect.). A legal immigrant may be willing to work for a bit less, but since they are able to seek another job without being kicked out, they would have little effect if any on wages. An H1B can't fight and either has to take it or leave and be replaced by someone who is willing to be exploited. Thus they have a far great impact on lowering wages.
There are protections under the law that are susposed to prevent this but they are wildly ineffective.
The H1B that is mostly talked about when it comes to IT jobs and imimgration requires companies to pay at least the prevailing wage for the area in question.
So on average, it should either have wages stay the same OR raise them a tiny bit
On what day of class do they prove that "Microeconomics" is a Science? Would you care to demonstrate that?
I'm just asking because you're making an appeal to something in that argument, and I'm curious if you're appealing to a serious scientific field of study, or something passing for one.
Karl Popper said falsifiability is an essential feature of any scientific theory, so it's not weird to ask for a falsifiable statement from "Microeconomics" so that we can tell whether it's a scientific theory.
Mind you, I don't disagree with your conclusion that prevailing wages go down when labor supply is increased. What I am asking is whether "Microeconomics" is a science.