His choice is that those with the most growth potential will take priority on this policy, as has happened with Whitehall's enterprise zones.

BBC: Fertilizing Scottish growth

"The significant growth potential of a country with 1.3 billion people makes India a strategic long term priority for the business, " said Paul Polman, chief executive officer of Unilever, in a statement Tuesday.

WSJ: Unilever to Raise Stake in India Unit

More broadly, of all the developed countries, the U.S. puts the lowest priority on potential economic benefits when reviewing prospective immigrants, according to Pia Orrenius, an economist with the Federal Reserve Bank of Dallas.

WSJ: Crovitz: The Economics of Immigration