Not as hard as the really hard disciplines. It is way “lighter” than medicine (but lets face it - everything is, there is not a single other field where you would HAVE TO simply memorize as much as in medicine - not learn, not understand, memorize); It is way less hard in qualitative terms than astrophysics. read more
If you work hard, and if you enjoy the material, then the lower levels of economics will not be that difficult. Maybe a 5. I'd say that microeconomics and macroeconomics are even easier (3, 4) but that you would need to study hard for the tests. read more
Math is hard. Physics is really hard. Chemistry is really, really hard. Biology is really, really, really hard. Psychology is really, really, really, really hard. And economics, sociology, philosophy, art, and literature are really, really, really, really, really hard. Most people get these things backwards. read more