This study empirically investigates the effects of business strategies on the relationship between financial leverage and the performance of firms. The research data is collected from 45 firms in the Tehran Security Exchange (TSE) during 2003-2010.The statistical technique is used to examine the...

The present study examines the relationship between efficiency index of working capital management and efficiency of assets in four industries. The efficiency of working capital management is one of the main prerequisites of success in a commercial unit and it is defined as managing the working...

Purpose – This study aims to use gray models to predict abnormal stock returns.Design/methodology/approach – Data are collected from listed companies in the Tehran Stock Exchange during 2005-2015. The analyses portray three models, namely, the gray model, the nonlinear gray Bernoulli model...

Purpose This study aims to use gray models to predict abnormal stock returns. Design/methodology/approach Data are collected from listed companies in the Tehran Stock Exchange during 2005-2015. The analyses portray three models, namely, the gray model, the nonlinear gray Bernoulli model and the...