They all have different connotations by convention, as does all vocabulary.
"Shit" is a swear word; the other two aren't. That's all there is to it, it's convention. The same as "red" means red and doesn't mean blue.
But all three would be inappropriate as economics terminology. Using a smelly bodily function as an economics metaphor is simply gratuitous and unprofessional.
"Shit" is a swear word; the other two aren't. That's all there is to it, it's convention. The same as "red" means red and doesn't mean blue.
But all three would be inappropriate as economics terminology. Using a smelly bodily function as an economics metaphor is simply gratuitous and unprofessional.