PROPERTIES OF MAXIMUM LIKELIHOOD ESTIMATES OF GRAVITY MODEL PARAMETERS

PROPERTIES OF MAXIMUM LIKELIHOOD ESTIMATES OF GRAVITY MODEL PARAMETERS

We give a very simple formula for obtaining covariance matrices of gravity model parameter estimates. We investigate bias and robustness of parameter estimates, as well as the convergence of the procedure given in Sen (1986) for obtaining these estimates.

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Bibliographische Detailangaben
Veröffentlicht in:Journal of regional science 1991-11, Vol.31 (4), p.469-486
Hauptverfasser: Sen, Ashish, Matuszewski, Zbigniew
Format: Artikel
Sprache:eng
Schlagworte:
Bgi / Prodig
Estimating techniques
General methodology
Gravity
Mathematical models
Mathematics
Monte Carlo simulation
Probability
Small mammals
Statistical and stochastic methods
Studies
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Beschreibung
Zusammenfassung:We give a very simple formula for obtaining covariance matrices of gravity model parameter estimates. We investigate bias and robustness of parameter estimates, as well as the convergence of the procedure given in Sen (1986) for obtaining these estimates.
ISSN:0022-4146
1467-9787
DOI:10.1111/j.1467-9787.1991.tb00161.x