The perennial promises of free stuff from political candidates are front and center again now that we are ensnared in another US election cycle. The knee-jerk response from some economists and libertarians is “TANSTAAFL!” And of course it’s true that There Ain’t No Such Thing As A Free Lunch, because somebody must bear the costs of the supposedly “free” stuff. Nothing is free because every action has an opportunity cost.
Especially when the government is involved in doling out the gifts, all it means is that it was bought with money taken from others. Or, sometimes, the money is taken from the person receiving the gift, who thinkshe’s gotten something for nothing. (This is a slight-of-hand political trick that has fooled...

