You want me to forget the topic of this thread? Why would I do that when this study that will be used as another tool to force through "immigration reform" is junk?
Pay a fair wage and lets see what happens. Using people with no legal rights, and sub minimum wage is not an acceptable solution. If you have to break the law for your business model to work then the business model is not sustainable. We still have some very real unemployment without permitting illegal immigrants to work off the books.
You already discredited the study in your last post. The US citizens that are unemployed are not unemployed because they couldn't get a job picking fruit or laying shingles. It is more of a "will" problem.
Deport every illegal and that giant sucking sound you hear is the US economy sharply and painfully contracting. God forbid we give them a way to get legal rights and a fair wage...