Den Haan, Wouter J.
Inferences from parametric and non-parametric covariance matrix estimation procedures .-- Cambridge (Mass.) : National Bureau of Economic Research , 1996
.--35 p. graf. 22 cm. .-- ( NBER technical working paper;195 ).
Bibliografía
ECONOMETRIA
Levin, Andrew Theo
Inferences from parametric and non-parametric covariance matrix estimation procedures .-- Cambridge (Mass.) : National Bureau of Economic Research , 1996
.--35 p. graf. 22 cm. .-- ( NBER technical working paper;195 ).
Bibliografía
ECONOMETRIA
Levin, Andrew Theo