In the west how did they determine how much to put a bounty on someones head? Was it different in Roman times? Or was it pull a number out of thin air?

https://lemmy.world/post/43992040

In the west how did they determine how much to put a bounty on someones head? Was it different in Roman times? Or was it pull a number out of thin air? - Lemmy.World

For bonus points is there a big difference between how they did it then vs now? How so?

Basic Supply and Demand, I’d guess