[Microinjection in France: report of the BLEFCO multicentric study].
In order to evaluate the assisted fertilizations in France, BLEFCO association has analysed 436 and 1,781 attempts for SUZI and ICSI respectively. For SUZI, the transfer rate was 62% and the pregnancy per attempt rate was 10%. For ICSI, whatever indications, the transfer rate was 86% and the pregnancy per attempt rate was 21%. ICSI in cases of altered sperm without previous IVF represented 46% of ICSI attempts. No relationship between the transfer rate and the indication of ICSI has been observed. However, in case of unexplained fertilization failures, the pregnancy per attempt rate is significantly lower when compared to the other indications.
Using the Translog model and the data of all life insurance companies in China from 2012 to 2015, this paper analyzes the scale effect and scope effect in China's life insurance market. In this paper, the premium income of various types of insurance as the output of the company, rent and wages as input elements, Commission and commission expenditure, business and management fees as the operating costs of insurance companies. The results show that both large & medium-sized life insurance companies have economies of scale, and the scale effect of small life insurance companies is significantly stronger than that of large & medium-sized life insurance companies. In terms of scope effect, it is difficult to draw a unified conclusion from the 2012-2015 year's model results. According to the results of the model in 2015, ordinary life insurance and health insurance, health insurance and other insurance have cost-complementary effects.