List of Articles Negative Data Open Access Article Abstract Page Full-Text 1 - Effect of Relocation and Rotation on Radial Efficiency Scores for a Partially Negative Data Problem S .Sarkar Open Access Article Abstract Page Full-Text 2 - Malmquist Productivity Index under Network Structure and Negative Data: An Application to Banking Industry Seyed Ehsan Shojaie Seyed Jafar Sadjadi Reza Tavakkoli Moghaddam Open Access Article Abstract Page Full-Text 3 - Estimation of inputs and outputs in the general production possibility set with negative data based on the inverse DEA Javad Gerami