It gets a special term because it was coined in 1865, before most of modern economics was codified and this was a cutting edge finding. You may as well ask why Newton's laws get a special term, because they're all just obvious basic equations in physics that high school students are taught.
It gets a special term because it was coined in 1865, before most of modern economics was codified and this was a cutting edge finding. You may as well ask why Newton's laws get a special term, because they're all just obvious basic equations in physics that high school students are taught.