My understanding is that there is not a direct subsidy, but that they aren't taxed like a private organization doing the same task would be. (Of course, they fa

My understanding is that there is not a direct subsidy, but that they aren't taxed like a private organization doing the same task would be. (Of course, they fall under a different regulatory framework as well, and have obligations such as delivering to every mailbox in the US, which other organizations aren't obligated to. So it's certainly not an apples-to-apples comparison, either.)