This paper analyzed the different effects of RTA from the perspective of trade volume and product category. 通过总量和产品类别的实证分析表明,区域贸易安排对不同产品类别的出口增长的影响效果并不一致。
Commodores and Captains have a set of fixed effects and Admirals are of variable quality. 准将和船长有一系列固定的影响效果,司令有着可变的影响力。