This is because panel data consist of times series data and crosssectionaldata.
这是因为面板数据包括时间序列数据和横截面数据。
2
Using a unique set of repeated cross-sectionaldata this paper examines the causes of this increase in earnings inequality.
本文使用一个独特的由多年很截面数据组成的数据库对收入不平等在这期间的增长进行分析。
3
According to the empirical data, standard cross-sectional survey statistics underestimated true infant and under-5 mortality by 6.7% and 9.8%, respectively.