“Inflation measures how much more expensive a set of goods and services has become over a certain period, usually a year”: IMF

The role of a Central Bank is to control the supply of money within a monetary union e.g. the European Central Bank for Euro countries.

The relationship between unemployment and wages is a leading indicator in investment decisions when determining the economic strength or weakness of a country or jurisdiction.

A consumer price index (CPI) measures the changes in the cost of a select sum of goods and services paid by consumers in a specific month.