In Oklahoma, it appears the stricter the enforcement, the more pronounced the Labor Shortages: NewsOK.com Reports:
As immigrant workers flee the state, immigrant-heavy sectors such as construction have seen varying declines of skilled workers. In Tulsa, where enforcement has been more pronounced, so have labor shortages. The distress it has caused in the construction sector in Oklahoma County has been only slight. Overall, the blow of immigration enforcement appears to have been softened by less building, experts said. "I would say in Tulsa, it has been as devastating as they had expected,” said Mike Means, president of the Oklahoma State Home Builders Association. By contrast, Means said, builders in Oklahoma County have adapted to working with fewer crews and are still getting the job done.
...People such as William Triplett, a Mesa truck driver, bristle when told Americans won't work some jobs. "I know they would. You have to advertise for them and make transportation available," he said. The business community maintains it has done what it can to fill jobs with Americans, and that a labor shortage hurts the state's growth. "We must find a way to ensure Arizona businesses have access to a sufficient number of legal workers. Relying on our broken federal immigration system makes this nearly impossible," said Glenn Hamer, president of the Arizona Chamber of Commerce and Industry, in a statement. Joe Sigg, the director of government relations for the Arizona Farm Bureau, said raising wages would not fill growers unmet needs."Just paying more doesn't increase the size of our native-born labor pool," he said.