So we are measuring the negative externalities against the market calculation, rather than all externalities against all externalities.

FORBES: Pollution Costs More Than What is Produced to Make the Pollution

But now we come to what I think is the problem: they are measuring the costs of the negative externalities of these processes.

FORBES: Pollution Costs More Than What is Produced to Make the Pollution

Given the negative externalities associated with consuming alcohol, however, the movement to higher priced, heavier-tasting, craft beers that are not guzzled like Mad Dog might not be a bad thing.

FORBES: With InBev Suit, Feds Fight To Keep Beer Cheap For Young Blue-Collar Men. Maybe That's Not A Good Idea.

We are comparing market value added with negative externalities.

FORBES: Pollution Costs More Than What is Produced to Make the Pollution

The coming battle between the antitrust agency and the merging parties could raise several important issues for merger review, including the role of entrants (craft beer makers) and negative externalities (associated with consuming beer).

FORBES: With InBev Suit, Feds Fight To Keep Beer Cheap For Young Blue-Collar Men. Maybe That's Not A Good Idea.

In this context, Senator Rockefeller asked the U.S. General Accountability Office to assess the state of the coal industry given the negative externalities that it now faces: a tougher EPA in combination with cheap natural gas prices and declining coal reserves that are harder to dig out in the Appalachian region.

FORBES: A Wounded Coal Industry Seeks To Unseat A Rockefeller Who Turned On Them

To put it in economics terms, liberty produces positive--not negative--externalities.

FORBES: Uncommon Sense