**Author details**

Meng Sun Department of Economics, School of Business and Economics, Thompson Rivers University, Kamloops, Canada

\*Address all correspondence to: msun@tru.ca

© 2021 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
