Why Are Hamburgers So Cheap?

Really though, why?  The subsidies are part of it, of course.  And the subsidies have to do with what we want to export: there's more money to be made exporting meat and wheat than cucumbers.  Part of it is economies of scale: the b. model of McDonald's requires that there be thousands of locations to keep their prices so low.  

Can we do anything about it?

Fortunately, yes.  In capitalism, a dollar is a vote.  As long as money makes the world go round and people use cliches, a person's consumer behavior is meaningful.  Spending money responsibly and "being the change you wish to see" are the best bet I think.  The deeper issue, and the one that McDonald's would use in its defense, is that people like hamburgers more than salads.  Is that true?  Is it changeable?

Update: Annie Leonard over at The Story of Stuff uses the term "manufactured demand" to discuss how bottled water companies convince people to buy their inferior-to-tap-water product.  I think the term is great, and it obviously applies to the cheap hamburger discussion.  

(Thanks to GOOD and PCRM for this story).