Aquinas and Just Price Theory

What did people in the Dark Ages think about economics? Why did poverty exist, and how do you alleviate it? To find out, I took my time machine to 1282 and 1314, to speak to barflies and a priest.

Fr. Richard Kirby is a fourteenth century prior of Whitby Abbey and formerly the sacrist of St. Mungo's. He is a specialist in Just Price Theory, and joins the show to discuss how his fellows in the Dark Ages approach economics.