Central banks, including the National Bank of Denmark, the European Central Bank, Riksbank (Central Bank of Sweden), the National Bank of Switzerland, the Bank of Japan and the National Bank of Hungary, have been committed over the years to promoting negative interest rate policy. to give economies an extra boost of growth. Central banks now record (instead of paying) interest on surplus reserves from banks. Negative interest rate policy poses new challenges to the functioning of the economic system, especially in the financial sector. Potential negative consequences include reduced savings and consumption of the population, eroding the profitability of banks and other financial intermediaries, and taking excessive risks.