Econometrics labours under the same limitations as economics: it rests on unrealistic hypotheses (and non-operational concepts) and is isolated from other sciences. It should try to test economic hypotheses and estimate relationships that constitute theory, notwithstanding the poor available...

Econometrics labours under the same limitations as economics: it rests on unrealistic hypotheses (and non‐operational concepts) and is isolated from other sciences. It should try to test economic hypotheses and estimate relationships that constitute theory, notwithstanding the poor available...

In 1926, at the age of only 22, da Empoli wrote two remarkable, original books, both of which have aroused much interest. Later da Empoli improved and developed their analysis. Other publications followed, such as his lessons in economic science. Others still were in preparation, but his...