共 12 条
- [9] Testing Competing Models for Non-negative Data with Many Zeros[J] . Jo?o M. C. Santos Silva,Silvana Tenreyro,Frank Windmeijer.Journal of Econometric Methods . 2015 (1)
- [10] Measuring the Upstreamness of Production and Trade Flows [J]. AMERICAN ECONOMIC REVIEW, 2012, 102 (03): : 412 - 416