this study investigates relation between accruals quality and auditor selection in the listed firms of tehran stock exchange (tse) during a five-year period from 2007 to 2011.  using correlation method and logistic regression technique, the results of this study indicate that client size, management change and accruals quality impact on selection of the big audit firms.  the results of this res...

The coevolution of interacting species can lead to codependent mutualists. Little is known about the effect of selection on partners within verses apart from the association. Here, we determined the effect of selection on bacteria (Xenorhabdus nematophila) both within and apart from its mutualistic partner (a nematode, Steinernema carpocapsae). In nature, the two species cooperatively infect an...

In the portfolio selection problem, the manager considers several objectives simultaneously such as the rate of return, the liquidity and the risk of portfolios. These objectives are conflicting and incommensurable. Moreover, the objectives can be imprecise. Generally, the portfolio manager seeks the best combination of the stocks that meets his investment objectives. The imprecise Goal Program...

Vehicle tracking systems are generally used to determine the location of vehicles, monitor them, and guide them when appropriate. This study aims define criteria that logistics companies consider selecting a vehicle system, as well relative importance these criteria. PIPRECIA-S, multi-criteria decision analysis method, was in this context. According results, most important criterion selection s...

In response to the rapid development of DNA Microarray Technologies, many differentially expressed genes selection algorithms have been developed, and different comparison studies of these algorithms have been done. However, it is not clear how these methods compare with each other, especially when we used different developments tools. Here, we considered three commonly used differentially expr...