Showing 1 - 10 of 1,495
This paper investigates the finite sample properties of the widely-used Gibbons, Ross, Shanken (1989) (GRS) test in the presence of both conditional correlation and conditional heteroskedasticity. It finds that the GRS test exhibits serious size distortions resulting in potentially misleading...
Persistent link: https://www.econbiz.de/10012943966
Persistent link: https://www.econbiz.de/10011584995
Persistent link: https://www.econbiz.de/10000907760
Persistent link: https://www.econbiz.de/10001832058
Persistent link: https://www.econbiz.de/10000889238
Persistent link: https://www.econbiz.de/10000893251
Persistent link: https://www.econbiz.de/10002055527
Persistent link: https://www.econbiz.de/10013041084
We develop a model for decomposing the covariance structure of panel data on firms into a part due to permanent heterogeneity, a part due to differential histories with unknown ages, and a part due to the evolution of economic shocks to the firm. Our model allows for the endogenous death of...
Persistent link: https://www.econbiz.de/10013221330