Duration
A measure of how sensitive a bond's price is to interest-rate changes; a duration of 8 implies roughly an 8% price fall if rates rise one percentage point.
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CPI (Consumer Price Index)
The Consumer Price Index is how a country actually measures inflation. Learn what the 'basket of goods' is, how the Office for National Statistics builds the number, the difference between CPI, CPIH, RPI and core inflation, why the 2% target exists, and why a CPI release can move markets in seconds.
GDP (Gross Domestic Product)
Gross Domestic Product is the single number that sums up the size of an economy. Learn the three ways it's measured, the crucial difference between real and nominal GDP, what growth and contraction mean, how it defines a recession, why investors track it — and the important things it leaves out.
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