Mr. Kellner

Last Friday, Democratic Assemblymember Micah Kellner proposed a new tax credit to incentive investing in local startups--an area of particular interest to Mr. Kellner, whose district includes Roosevelt Island, the future home of Cornell and Technion's applied sciences campus designed to unleash an army of developers and untold number of startups into the five boroughs.

The Angel Investor Tax Credit, which Mashable reports is currently under discussion in the New York State Assembly, would give 25 percent tax credit to investors who invest between $25,000 and $1 million in a New York City-based startup. In order to qualify, 60 percent of the startup's employees must be based in New York. According to Mr. Kellner, similar incentives in Connecticut and Wisconsin, have seen boosts in angel investments of up to 500 percent over five years.

“The last thing I want is the next Twitter or Facebook being developed in New York, only to be commercialized and have their company headquarters end up in Connecticut," Mr. Kellner told Mashable.

But over at BostInno, Walter Frick expressed a different perspective--warning of a potential downside. "While angels likely invest even closer to home than VCs, we know that Boston VCs invest significantly in New York and vice versa," writes Mr. Frick, arguing that geographic incentive could discourage angels outside New York from investing here.

Geographic handcuffs are a major cause of distortion in government-run venture capital efforts, and we should seek to avoid them in the tax code just as we do elsewhere. If every state were to copy this behavior — and each time another one does this there’s more pressure on the others — it would result in a distorted market where angels are actively discouraged from looking across state lines. If you value market efficiency, that should be a good reason to oppose this provision.