Variety is reporting that if the writer strikes goes on till March it will have cost the industry a total of $3 billion dollars.

The study provided to Daily Variety on a confidential basis has calculated a cost of about $1.9 billion in lost episodic production for the more than 70 broadcast and cable primetime skeins, assuming no more segs are delivered for the 2007-08 season.

There math regarding the film industry is a little confusing but it basically says that so far it has cost movies a loss of $1.1 billion. The article also explains that if the strike does last into the spring it will start affecting non-industry buisnesses like lumber, paint, and odd things like that used for production.