this study examines the role of growth and value stocks in liquidity and tobin's q ratio, and also the validity of claims existing difference between tobin q ratio of the two types of stocks in companies accepted in tehran stock exchange has been examined. the study period is between the years 1381 to 1390. we use pooled panel-data regression and egls and gmm methods to estimate the model ...

The quantitative structure-property relationship (QSPR) method is used to develop the correlation between structures of refrigerants (198 compounds) and their critical temperature. Molecular descriptors calculated from structure alone were used to represent molecular structures. A subset of the calculated descriptors selected using a genetic algorithm (GA) was used in the QSPR model development...