This study investigates the effects on consumer prices of rounding final total prices or individual prices in the retail sector. The empirical analysis based on around  70,000 sales receipts shows that, when the final total price is rounded commercially to the nearest whole 5 euro cent increment, virtually no effect on the price level can  be expected.

As in the past, German consumers prefer to pay for most of their purchases using cash. This is revealed by the Bundesbank's recent 2017 survey on "Payment behaviour in Germany". In terms of volume, however, the significance of cash has waned somewhat. As a share of the combined value of all payments made by private individuals, cash fell below the 50% mark for the first time.

Dem Geld auf der Spur: Im hr2-Kinderfunkkolleg erfahren Kinder alles Wissenswerte rund ums Geld. In dieser Reihe kommen zahlreiche Experten zu Wort, darunter auch der ehemalige Bundesbankpräsident Jens Weidmann.