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jwe-heterogeneity

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Use when a 《世界经济》 (The Journal of World Economy) manuscript's heterogeneity is thin (e.g. only east/central/west) — slicing instead by internationally-meaningful margins: exposure intensity, firm trade type, destination / partner country, and trade margins. Use after the main effect and channel are established.

When to use

• heterogeneity analysis for 《世界经济》
• slicing by exposure intensity
• slicing by firm trade type
• slicing by destination or partner country
• slicing by trade margins
• slicing by GVC position
• testing coefficient differences with interaction terms

When not to use

• slicing only by east/central/west regions
• slicing only by state-owned vs private ownership
• slicing by generic dimensions without international economics meaning
• data mining for significance without theoretical expectation

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