![]() PPP is a theoretical concept that provides an anchor to measure exchange rate movements. So, for example, if we have a GBP/USD rate of 1.2500, our basket of goods worth £100 in the UK would cost $125 for a US consumer. Purchasing Power Parity (PPP) calculates how much a currency is worth based on a basket of goods, similar to the Consumer Price Index (CPI), which measures inflation. Typical currency quotations will show that the pound is more valuable than the dollar, but most other measurement bases will reflect the opposite. The question of relative strength in a currency depends on your perceptions and how you calculate the weighted value of one currency over another. How USD May Be Worth More Than GBP In Real Terms In the 1980s, oil prices doubled, and the Federal Reserve in the US boosted interest rates beyond 20 per cent, which prompted large inflows of capital investment and a subsequent climb in the dollar value. The UK government decided to reduce the declared value of the pound to £1:$4 in 1840 and implemented two additional devaluations during the 1960s before the currency became free-floating.įrom here, the US dollar began to grow in strength and mitigate the perceived power of the pound, resulting in a record low of $1.054 on Febru– which we were close to on September 26, 2002, with a rate of 1.0697. The pound reached a record-high rate of $2.649 against the US dollar on March 6, 1972, the strongest exchange rate achieved since floating in 1971.īefore that, the British government set the GBP to USD rate and maintained a level of around £1:$5 for most of the 1800s and 1900s. When we look at comparable power and how a currency changes in value to other denominations, we get a different picture from relying solely on the nominal exchange rate at any given point. Hence, a continual decline in sterling is not as internationally significant as if the same were to happen to the dollar. ![]() The USD dollar is important because it is the most traded currency globally and the global reserve currency. ![]() But, the UK economy is considerably smaller and has a fraction of the purchasing power.
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