Properties of maximum likelihood estimates of gravity model parameters

Auteurs :
SEN, A.
MATUSZEWSKI, Z.

Description :
The AA. give a very simple formula for obtaining covariance matrices of gravity model parameter estimates. They investigate bias and robustness of parameter estimates, as well as the convergence of the procedure given for obtaining these estimates.


Type de document :
Article de périodique

Source :
Journal of regional science, issn : 0022-4146, 1991, vol. 31, n°. 4, p. 469-486, Collation : Illustration, Références bibliographiques : 13 réf.

Date :
1991

Editeur :
Pays édition : Etats-Unis, Amherst, MA, Regional Science Research Institute