The Impossible Trinity or 'trilemma' suggests that it is impossible for a country to maintain a fixed exchange rate, free capital movement and an independent monetary policy at one and the same time.

The Impossible Trinity

Ever shaken an invisible hand? Been flattened by a falling market? Or wondered what took the bend out of Phillips' curve? David Mitchell helps reveal some of the great dilemmas faced by governments trying to run an economy - whether to save or spend, control inflation, regulate trade, fix exchange rates, or just leave everyone to get on with it and not intervene. You'll learn why Adam Smith put such a high price on free markets, how Keynes found a bold new way to reduce unemployment, and what economists went on to discover about the impact of policy on people's and businesses' behaviour - which may not always be entirely rational...

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Economist, Adam Smith, used the term The Invisible Hand to describe the self-regulating nature of the market place - a core concept for so-called free-marketeers.

The Invisible Hand

Transcript -- The Invisible Hand

The Paradox of Thrift suggests that while it may be wise for an individual to save money when income is low and job prospects are precarious, it could be collectively disastrous if everyone is thrifty together.

The Paradox of Thrift

Transcript -- The Paradox of Thrift

Bill Phillips' curve has historically been described as an inverse relationship between the rate of unemployment and the rate of wage (and therefore price) inflation - but since his analysis became popular the relationship has changed.

The Impossible Trinity

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