International audienceCharity, salvation and profit are related during the last centuries of the Middle Ages in the texts of the scholastics and in the current practices of merchants and public institutions, as is often attested by the archives of hospitals and Mounts of Piety. Exchanges between the Pazzi family and the convent of the Friars Minor in Avignon in the 15th century suggest that the relationships between merchants and convents may have followed the same logic by relying on legal categories which associate natural obligations and ius commune.Version de l'auteur (Draft) Article publié dans Quaderni Storici, 162 (2019), p. 619-637. I rapporti tra carità, economia del bene comune e profitti mercantili alla fine del medioevo sono orm...