نتایج جستجو برای: covariances
تعداد نتایج: 2373 فیلتر نتایج به سال:
Journal:
:Transactions of the Society of Instrument and Control Engineers
1991
Journal:
:The Annals of Mathematical Statistics
1958
Journal:
:Journal of Dairy Science
1981
Journal:
:Stochastic Processes and their Applications
2009
Journal:
:Journal of the Atmospheric Sciences
1997
Journal:
:Journal of Applied Econometrics
1989
Journal:
:Tellus A: Dynamic Meteorology and Oceanography
2017
Journal:
:EconomiA
2017
2013
Xiaoji Lin
Lu Zhang
A deep-ingrained doctrine in asset pricing says that if an empirical characteristic-return relation is consistent with investor ‘‘rationality,’’ the relation must be ‘‘explained’’ by a risk (factor) model. The investment approach questions the doctrine. Factors formed on characteristics are not necessarily risk factors; characteristics-based factor models are linear approximations of firm-level...
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