This, in turn, would lead to fewer U.S. residents adopting 4G service, costing the U.S. tens of thousands of jobs in the coming years, he said.
The calls to limit the participation of AT&T and Verizon are misplaced, he said. "There is no evidence of any lack of competition in this market," he said.
The study's authors don't believe Verizon and AT&T will be barred from the auction, but the study's "thought experiment" looking at that possibility shows the outer bounds of the economic impact of bidding limits, Shapiro said.
Grant Gross covers technology and telecom policy in the U.S. government for The IDG News Service. Follow Grant on Twitter at GrantGross. Grant's e-mail address is email@example.com.