Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...
1 School of General Education, Nantong Institute of Technology, Nantong, Jiangsu, China 2 School of General Education, Wuxi Normal College, Wuxi, Jiangsu, China Background: The results of older adult ...