Inflation has driven up the cost of living across Europe. In Germany, each summer people turn to one indicator in particular to ascertain their bang for their buck – the price of a scoop of ice cream. Join the queue at the local ice cream parlour anywhere from Bavaria and Berlin to the Baltic Sea, and you will be sure to hear groans about the astronomical prices that have skyrocketed yet again. It’s hard to explain this fixation on the cost of a scoop where other nations instead complain about the price of eggs. Perhaps it’s because people are determined to enjoy summer (which in this region i…