Search Results - subject:"Fuzzy least squares"

Combined soft measurement on key indicator parameters of new competitive advantages for China's export

Wang, Taosheng; Zuo, Hongyan; Wu, C. H.; Hu, B. - In: Financial Innovation 7 (2021) 1, pp. 1-24

of China based on the combined soft-sensing model of the fuzzy least squares support vector machine is established. The … derived. The obtained evaluation values of the main measurement index are used as the input variable of the fuzzy least … squares support vector machine, and a soft-sensing model of the key index parameters of the new export competitive advantages …

Persistent link: https://www.econbiz.de/10012602931

Combined soft measurement on key indicator parameters of new competitive advantages for China's export

Wang, Taosheng; Zuo, Hongyan; Wu, C. H.; Hu, B. - In: Financial innovation : FIN 7 (2021), pp. 1-24

Persistent link: https://www.econbiz.de/10012594574

CAPM with fuzzy returns and hypothesis testing

Mbairadjim Moussa, A.; Sadefo Kamdem, J.; Shapiro, A.F.; … - In: Insurance: Mathematics and Economics 55 (2014) C, pp. 40-57

Over the last four decades, several estimation issues of the beta have been discussed extensively in many articles. An emerging consensus is that the betas are time-dependent and their estimates are impacted by the return interval and the length of the estimation period. These findings lead to...

Persistent link: https://www.econbiz.de/10010753208

CAPM with fuzzy returns and hypothesis testing

Moussa, A. Mbairadjim; Kamdem, J. Sadefo; Shapiro, A. F.; … - In: Insurance / Mathematics & economics 55 (2014), pp. 40-57

Persistent link: https://www.econbiz.de/10010366209