Access Statistics for Yan Ma

Author contact details at EconPapers.

Journal Article File Downloads Abstract Views
Last month 3 months 12 months Total Last month 3 months 12 months Total
Learning by Doing and Fragmentation 0 0 0 34 0 0 1 114
Product Quality, Wage Inequality, and Trade Liberalization* 0 0 0 2 0 0 1 10
Supermodularity and Global Supply Chains without the South 0 1 1 21 2 3 3 78
The product cycle hypothesis: The role of quality upgrading and market size 1 1 1 25 1 1 5 94
Trade theorems in a model of vertical production chain 0 0 1 33 0 0 2 158
Total Journal Articles 1 2 3 115 3 4 12 454


Statistics updated 2025-08-05