Millie, aged 5, wants to know where money comes from. We asked n economist to explain.
The notes in your pocket say they're legal tender for all debts public and private. Are they lying?
Dispensing cash to ensure healthy care for vulnerable children is critical, but it must be supplemented by other interventions to maximise well-being.
The announcement that Harriet Tubman will be the first woman on U.S. currency in more than a century recalls the history of female – and African-American – portrayals on money.
Despite the growth of card and mobile payments, cash is still king in many markets.