It is not in itself clearer than any of the phrases your mentioned. But it is internationally recognised and has a fixed, established meaning that everyone recognises immediately. The very fact that it is Latin alerts the reader that it is a special term with a fixed meaning, which is convenient, ceteris paribus. The same applies to other terms, such as a priori and alea jacta est.

It is not in itself clearer than any of the phrases your mentioned. But it is internationally recognised and has a fixed, established meaning that everyone recognises immediately. The very fact that it is Latin alerts the reader that it is a special term with a fixed meaning, which is convenient, ceteris paribus. The same applies to other terms, such as a priori, mutatis mutandis, and alea jacta est.