The long-run performance of successful bidders in a takeover has been controversial. We assess their long-run performance by controlling for survival, firm size, and measurement bias in return cumulation. Measures of the performance of acquiring firms relative to control firms are sensitive to survival constraints implicit in the sampling process and to share return characteristics empirically ...

supply chain management is one of modern approach in the field of operation and production management. nowadays success and survival of manufacturing organizations depend on effectiveness and productivity of supply chains. this research tries to investigate contributing factor to enhance supply chain productivity. then by using fuzzy promethe-a multiple attribute decision making (madm) - tous a...

background: one substantial part of microarray studies is to predict patients’ survival based on their gene expression profile. variable selection techniques are powerful tools to handle high dimensionality in analysis of microarray data. however, these techniques have not been investigated in competing risks setting. this study aimed to investigate the performance of four sparse variable selec...

Every patient demonstrates the loss of one year healthy life. In addition, 7.6% global DALYs are assigned to neoplasms. The three leading cancers in both sexes worldwide were lung cancer (13% total), breast (11.9%), and colorectal (9.7%); most common types men, respectively, (16.8%), prostate (14.8%) (10.1%) while women they ordered as (25.1%), (9.2%) (8.8%). research aimed compare performance ...