L'imposta del metoikion ad Atene: uno strumento per il controllo dell'immigrazione?

[Machine translation] Although today there is a general consensus in considering the metoikion paid by the Athens merchants as a purely symbolic tool to reaffirm the distance that separated the goods from the citizens, its fixed amount, without any proportionality or even less progressive tax, inevitably affected lower incomes to a greater extent, thus leading us to believe that it was actually a very concrete tool to discourage foreigners of a humbler condition from settling in Athens, a functional tool therefore for selecting the immigrants who took up residence in Attica, favoring those able to carry out a profession that allowed them to support themselves without burdening the community and indeed to bring benefits to the polis that welcomed them