| Country | GDP per worker (% relative to UK) | GDP per hour worked (% relative to UK) |
|---|---|---|
| Japan | +4 | -12 |
| South Korea | +15 | -6 |
| Germany | +18 | +24 |
| Norway | +31 | +42 |
| United States | +35 | +29 |
Note: All figures are nominal values at Purchasing Power Parities (PPPs), showing the percentage above (+) or below (-) the UK level in 2023.
With specific reference to the data in Figure 2, explain why economists prefer to measure labor productivity using 'GDP per hour worked at Purchasing Power Parities (PPPs)' rather than 'GDP per worker'.
