Cash are socially less costly than payment cards for all payments below DKK 29, while Dankort, the national Danish debit card, are cheaper for all other point-of-sale payments. These results are derived from calculations that divide costs of payments into fixed, variable-transaction-dependent,...

This paper takes a first step in analysing how a monetary union performs in the presence of labour market asymmetries. Differences in wage flexibility, market power and country sizes are allowed for in a setting with both country-specific and aggregate shocks. The implications of asymmetries for...