"Der Franziskaner Petrus Iohannis Olivi war einer der umstrittensten und schöpferischsten Denker des 13. Jahrhunderts. Sein moraltheologischer 'Tractatus de contractibus' behandelt Handelsverträge und Wucherzinsen sowie die Rückerstattung unrechtmässiger Gewinne. Olivi erweist sich dabei als...

On 9 January 1632, at the inauguration of the Amsterdam Illustrious School - the predecessor of the city's university - Caspar Barlaeus delivered a speech that has continued to arouse the curiosity of researchers and the general public alike: 'Mercator sapiens'. This famous oration on the wise...

"The Idea of a Moral Economy is the first modern edition and English translation of three questions disputed at the University of Paris in 1330 by the theologian Gerard of Siena. The questions represent the most influential late medieval formulation of the natural law argument against usury and...