Subject discovery

Topics

Explore the questions behind our research. Each topic below links to available readings, with their evidence, methods and limitations.

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Index interpretation

An index brings several measures into one signal. We examine its units, comparison periods and limits so you can judge what a change means.

1 available reading

Supply-chain pressure

Signals of strain across transportation and manufacturing can frame an operations review. Our published reading examines what a global index can—and cannot—tell you about local conditions.

1 available reading