The aim of this paper is to empirically analyze the effect of financial constraint, information asymetry on the firm investment. On the basis of a data relating to 394 Tunisian firms observed over the period 2001-2008 and by adopting the panel data method, our findings show that the effect of...

This paper uses data envelopment analys is to investigate the extent to which universities in the United States have undergone productivity and efficiency changes, partly due to managerial performance, during the 2005-09 academic years. Using panel data for 133 research a nd doctoral...

The formulas of cost and allocative efficiencies of decision making units (DMUs) with positive data cannot be used for DMUs with negative data. On the other hand, these formulas are needed to analyze the productivity and performance of DMUs with negative data. To this end, this study introduces...