Yet it would still be 130% of GDP, the highest in the euro zone (see chart).

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Money-supply growth still looks sluggish in Britain, Japan and the euro zone (see chart).

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Pay is considered to be reasonable if it is below the upper boundary of the Alignment Zone, as shown in the chart.

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This gap may explain the strength of the euro, which has risen against the dollar in recent weeks despite endless euro-zone sovereign-debt worries (see chart).

ECONOMIST: Currencies

The chart is an effective aid to memory, a free-fire zone for disagreements, and fine intellectual fun.

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