Variations in fetal heart rate (FHR) is a potential indicator of stress on unborn in the womb of mother. In hospitals, FHR surveillance is performed by ultrasound based Doppler equipments. However, recent studies show that frequent exposure to ultrasound radiations is not recommended for the fetal well-being. Because of this and many other reasons, these instruments are not recommended for prol...

Fetal electrocardiogram (fECG) monitoring is a technique for obtaining important information about the condition of the fetus during pregnancy and labour by measuring electrical signals generated by the fetal heart as measured from multi-channel potential recordings on the mother body surface. It is shown in this paper that the fetal ECG can be reconstructed by means of higher order statistical...

This paper enlarges the current research on window dressing practice on strategic allocations. The existence of window dressing is of special interest for investors in order to know whether portfolio holdings vary across months with public portfolio disclosures. The monthly bias free sample of bond funds contributes to the scarce works on this phenomenon in the literature. The monthly frequency...

This paper investigates the risk premia of U.S. corporate and Treasury bonds. Using excess return regressions, two risk factors are derived from yield and macroeconomic data: a priced term risk factor and a priced credit risk factor explain half of the variation in one-year corporate and Treasury excess returns. The information of the term risk factor is not represented by major yield character...

This paper, using 833 observations of listed Japanese firms between the years 1992 to 2000, explore the implications of the free cash flow hypothesis concerning the disciplinary role of ownership structure in corporate capital structure policy. The results show (1) The relation between leverage and free cash flow are significantly positive and greater for low-growth firms than for the high-grow...