Kingdom of Hungary Máté Csák III. The kingdom of Hungary reached an age of prosperity and stability under Charles I. The gold mines of the Kingdom were extensively worked and soon Hungary reached a prominent standing in European gold production. The forint was introduced as a currency, replacing the "denars", and soon after Charles's reforms were implemented, the economy of the Kingdom started to prosper again, having fallen into a parlous state following the Mongol invasion. Charles exalted the cult to Saint Ladislaus I, using him as a symbol of bravery, justice and purity. He also venerated his uncle, Saint Louis of Toulouse.
Currency substitution substitution can be measured as the share of foreign currency deposits in the total deposits of the banking system, and credit currency substitution can be measured as the share of dollar credit in the total credit of the banking system. One of the main advantages of adopting a strong foreign currency as sole legal tender is to reduce the transaction costs of trade among countries using the same currency. There are at least two ways to infer this impact from data. The first is the significantly negative effect of exchange rate volatility on trade in most cases, and the second