"A further incentive for increasing the number of high skill immigrant visas to the United States is the benefit that can come from the bilateral economic links the immigrant community maintains with their country of origin," they wrote.

Indian Americans, for example, "are one of the fastest growing minorities in the United States, and in addition to coming here for higher education, they increasingly have come to start companies and invest," Inderfurth and Miller said.

The evidence that Indian immigrants and Indian businesses boost the U.S. economy is clear, they said.

"Since 2006, Indian nationals have founded 33 percent of all engineering and technology companies founded by immigrants in the United States, which accounts for about a quarter of all companies launched."

"Indian companies support more than 250,000 jobs for locals in the United States. In addition, Indian companies have invested more than $4.9 billion and employ more than 27,000 Americans," Inderfurth and Miller said.

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