Can introducing Central Bank Digital Currency (CBDC) improve social welfare? We construct a dual currency model to study whether introducing CBDC with a recordkeeping technology can reduce tax evasion incentives in cash transactions, and further achieve a better allocation than in a cash-only...

Can introducing Central Bank Digital Currency (CBDC) improve social welfare? We construct a dual currency model to study whether introducing CBDC with a record- keeping technology can reduce tax evasion incentives, and further achieve a better al- location than in a cash-only economy. In our...