@article { author = {Dastgir, Mohsen and Bazaz Zadeh, Hamidreza}, title = {.}, journal = {Economics Research}, volume = {6}, number = {20}, pages = {235-249}, year = {2006}, publisher = {Allameh Tabataba'i University}, issn = {1735-210X}, eissn = {2476-6453}, doi = {}, abstract = {}, keywords = {}, title_fa = {تاثیر افشا بر ریسک سیستماتیک}, abstract_fa = {}, keywords_fa = {افشای اجباری,ریسک سیستماتیک,بتا}, url = {https://joer.atu.ac.ir/article_3400.html}, eprint = {https://joer.atu.ac.ir/article_3400_14e6a9ca918f9809155a2fcda1e3a4e2.pdf} }