This open access book examines the history and role of money. Money is often defined in terms of three interrelated functions: as a medium of exchange, store of value and unit of account. Researchers frequently discuss the first two functions, but tend to ignore unit of account. This book focuses on how a unit of account or denomination can be defined and can be derived from the monetary system. In the case of paper money and coins, we know how to determine the denomination of money based on the problem of the least number of weights defined by Bâchet and proved by Hardy and Wright (1960)....

This open access book examines the history and role of money. Money is often defined in terms of three interrelated functions: as a medium of exchange, store of value and unit of account. Researchers frequently discuss the first two functions, but tend to ignore unit of account. This book focuses on how a unit of account or denomination can be defined and can be derived from the monetary system. In the case of paper money and coins, we know how to determine the denomination of money based on the problem of the least number of weights defined by Bâchet and proved by Hardy and Wright (1960)....