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RT @restatjournal: Need to estimate gravity with aggregate trade data? PPML gives you a weighted average of sectoral elasticities. Just acc…
RT @restatjournal: Need to estimate gravity with aggregate trade data? PPML gives you a weighted average of sectoral elasticities. Just acc…
RT @restatjournal: Need to estimate gravity with aggregate trade data? PPML gives you a weighted average of sectoral elasticities. Just acc…
RT @restatjournal: Need to estimate gravity with aggregate trade data? PPML gives you a weighted average of sectoral elasticities. Just acc…
RT @restatjournal: Need to estimate gravity with aggregate trade data? PPML gives you a weighted average of sectoral elasticities. Just acc…