The development of a difference-in-differences estimator is a new move in patent policy evaluation research. However, such an estimator neglects the possibility that academic …
L Yang, B Yu, P Liang, X Tang, J Li - Frontiers in Public Health, 2022 - frontiersin.org
The lack of physical activity has become a rigorous challenge for many countries, and the relationship between physical activity and the built environment has become a hot research …
Looking into the future and trying to visualize long-run regional disparities is difficult. There is no agreed single theory to guide our model building, although some insight can be gained …
CR Bhat, IN Sener - Journal of Geographical Systems, 2009 - Springer
This study focuses on accommodating spatial dependency in data indexed by geographic location. In particular, the emphasis is on accommodating spatial error correlation across …
J Lieske - Political Research Quarterly, 2010 - journals.sagepub.com
This study analyzes changes in the regional subcultures of the United States using 2000 census and religious survey data. The results suggest a remarkable degree of continuity …