Modeled Behavior ignores Polite Company and says something that needs to be said:
If we want to build a model of what the government spends money on we would be best to start this way: ask people what social obligations do they believe “society” has...Sum the cost of those programs. That will be government spending.
Contrary to Jonah Goldberg and others who see Canada and the United States as examples of two clashing ideologies, they are actually examples of two different ethic distributions. The United States is not Canada because there is ethnic strife between Southern Blacks and Southern Whites. That strife reduces the sense of moral obligation on the part of the white majority and so reduces government spending.
Complete commentary -
"Starving the Moral Beast," HERE.