Liquidity supplier: detail from ‘The Money Lender and his Wife’, Quinten Metsys, 1514

In the Old Testament Book of Leviticus, God commands the children of Israel to observe a jubilee every 50 years. Nowadays we tend to associate the word with celebrations of royal anniversaries such as Queen Elizabeth’s golden jubilee in 2002. But the biblical conception of a jubilee was more precise: that of a general cancellation of debts.