Please explain the data source of the paper (1) The study employed panel data from 1990 to 2020. It involves a five-year

[answerhappygod]

Please Explain The Data Source Of The Paper 1 The Study Employed Panel Data From 1990 To 2020 It Involves A Five Year 1 (110 KiB) Viewed 54 times

Please explain the data source of the paper (1) The study employed panel data from 1990 to 2020. It involves a five-year period from 1990 to 2020. This entailed national-level trade intensity or introduction to trade and bilateral global migration data. 这部分数据的汇总表在哪里?在论 文中主要起什么作用? Where is the summary table for this part of the data?What is the main role in the paper? (2) Questionnaire 这部分的数据的样本量多少?从 16个国家分布怎样?数据的汇总表 在哪里?在论文中起什么作用? What is the sample size of this part of the data? How is it distributed from the 16 countries? Where is the summary table of the data?What is the role in the paper?