An Empirical Study of the Risk-Return Hypothesis Using Common Stock Portfolios of Life Insurance Companies

1970 ◽  
Vol 5 (2) ◽  
pp. 179 ◽  
Author(s):  
James Gentry ◽  
John Pike
Keyword(s):  
Empirical Study ◽  
Life Insurance ◽  
Insurance Companies ◽  
Common Stock ◽  
Risk Return ◽  
Stock Portfolios

scholarly journals Efficiency of Life Insurance Companies: An Empirical Study in Mainland China and Taiwan

SAGE Open ◽  
2020 ◽  
Vol 10 (1) ◽  
pp. 215824402090206
Author(s):  
Hwai-Shuh Shieh ◽  
Jin-Li Hu ◽  
Yong-Ze Ang
Keyword(s):  
Data Envelopment Analysis ◽  
Environmental Factors ◽  
Empirical Study ◽  
Life Insurance ◽  
Mainland China ◽  
Efficiency Score ◽  
Insurance Companies ◽  
Data Envelopment ◽  
Operating Environment ◽  
Dea Model

The study employs metafrontier and four-stage data envelopment analysis (DEA) to measure the overall and individual efficiency of life insurance companies in mainland China and Taiwan, after applying the slack-based measure (SBM)-DEA model to adjust the differences in the operating environment across production units. The empirical findings show the following: (a) The environmental factors significantly affected the efficiency of all life insurance companies. After the adjustments, the efficiency score of life insurance companies in mainland China and Taiwan drops for 14.01% and 26.64% in regional frontier, and 38.31% and 12.22% in metafrontier frontier. (b) Before 2008, the life insurance companies in Taiwan are more efficient than those in mainland China.

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