envelopment analysis (DEA) context is used for the first time to measure the relative efficiency of sectoral ETFs. In the second … stage, a Tobit model is employed to identify the drivers of performance. The results indicate there is scope for efficiency …

demonstrate that the efficient funds form the smaller part of the examined sample of funds, the average efficiency rises over time …, and that the mean-variance efficiency hypothesis holds for the inefficient funds over the whole period. Moreover, the …

applying a two-stage procedure. In the first stage, data envelopment analysis (DEA) is used to measure the relative efficiency …. Moreover, the mean-variance efficiency hypothesis holds for the inefficient funds of the sample. In addition, DEA-based fund … mutual funds using for first time the DEA framework and to explain fund performance by employing a Tobit model. Correlation …

demonstrate that the efficient funds form the smaller part of the examined sample of funds, the average efficiency rises over time …, and that the mean-variance efficiency hypothesis holds for the inefficient funds over the whole period. Moreover, the …

Purpose - The purpose of this study is to evaluate the effect of some internal features that influence the efficiency … operational efficiency. The ordinary least square regression technique was applied to measure the impact of firm-specific factors … on efficiency. Findings - Results showed that number of employees, branch number, firm size and deposit ratio have a …