ACKNOWLEDGEMENT
The first author, Lu Xixi, would like to express his sincere thanks to
Professor Des Walling for his support, encouragements and inspirations
over many years. This study was supported by the National University of
Singapore (R‐109‐000‐227‐115) and the Yunnan University of Finance and
Economics. The work was also supported by the studentship awarded to
Boey Lai Hsia from the Yunnan University of Finance and Economics. We
want to thank Professor Zhou Yue, Yunnan University of Finance and
Economics, for his support to our work in Yunnan. We also want to thank
Professor Bruce Webb for his invitation and editing the special issue.