The optimum amount of digital euros to have in circulation would be between 15% and 45% of quarterly real gross domestic product (GDP), the economists found. Since the eurozone’s quarterly GDP is about 3 trillion euros, Panetta’s suggestion of a 3,000 euro cap would sit pretty much in the middle of that range, at 34%.
Digital Euro Needs Curbs to Halt Lending Crunch, ECB Study Finds
