This research aim to find out the effect of cash turnover, receivable and inventory turnover profitability in state-owned company infrastructure service sector simultaneosly partially. The population this were 2017-2021. quarterly financial report PT. Waskita Karya (Persero) Tbk., Wijaya Semen Indonesia Jasa Marga Tbk. are being used as sample. method use descriptive quantitative by performing ...

In the past few decades, model averaging has received extensive attention, and been regarded as a feasible alternative to selection. However, this work is mainly based on parametric framework complete dataset. This paper develops frequentist model-averaging estimation for semiparametric partially linear models with censored responses. The nonparametric function approximated by B-spline, weights...