His diplomacy was very expensive and to strengthen the finances, already proven by the patronage of Alfonso I, Ferrante introduced an austerity regime in the court and in the state apparatus, to facilitate commercial traffic for his vassals, he opened it no less in east that in the west, encouraged businesses and traders by launching a series of initiatives aimed at increasing trade exchanges with Venice, Pisa and Spain; it favored the migration from the countryside to the city and allowed the immigration of numerous Jews expelled from Spain through thedecree of the Alhambra issued by the Catholic kings. One of the refugees, Don Isaac Abrabanel, even received a position at the Neapolitan court of Ferrante which he also held under his successor, Alfonso II. Overall, the Neapolitan population increased rapidly and it was necessary to expand the city walls.
His diplomacy was very expensive and to strengthen the finances, already proven by the patronage of Alfonso I, Ferrante introduced an austerity regime in the court and in the state apparatus, to facilitate commercial traffic for his vassals, he opened it no less in east that in the west, encouraged businesses and traders by launching a series of initiatives aimed at increasing trade exchanges with Venice, Pisa and Spain; it favored the migration from the countryside to the city and allowed the immigration of numerous Jews expelled from Spain through thedecree of the Alhambra issued by the Catholic kings. One of the refugees, Don Isaac Abrabanel, even received a position at the Neapolitan court of Ferrante which he also held under his successor, Alfonso II. Overall, the Neapolitan population increased rapidly and it was necessary to expand the city walls.