This study empirically investigated the effect of adjustment China Securities Index 300 (CSI 300) on environmental information disclosure (EID) by index constituents, based propensity score matching and difference-in-difference approaches. The results showed that inclusion in CSI significantly improved quality EID firms. Moreover, this positive impact was more pronounced among firms with lower ...

the reflectance spectrum of green leaves is considerably affected by their biochemical and biophysical properties. it is possible to extract biochemical information from a continuous vegetation spectrum produced using hyperspectral sensors. the numerous absorption features present in the vegetation spectrum carry a considerable amount of information related to the content and the structure of t...

The construction of index system is the basis equipment contribution rate evaluation, and also one main contents test appraisal. This paper discusses concept systems rate, introduces evaluation process information equipment, gives principles ideas system. Then, referring to theory operational loop, given from perspectives capability effectiveness. this can provide decision support for developme...