The Poisson quasi-maximum likelihood estimator: A solution to the “adding up” problem in gravity models
This paper shows that the Poisson quasi-maximum likelihood estimator applied to the gravity model produces estimates in which, summing across all partners, actual and estimated total trade flows are identical. Other methods such as OLS do not have this desirable property. Indeed, Poisson is the only quasi-maximum likelihood estimator that preserves total trade flows. This result is an additional reason for preferring Poisson as a workhorse gravity model estimator.
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- Joao Santos Silva & Silvana Tenreyro, 2009.
"Further simulation evidence on the performance of the Poisson pseudo-maximum likelihood estimator,"
LSE Research Online Documents on Economics
25506, London School of Economics and Political Science, LSE Library.
- Santos Silva, J.M.C. & Tenreyro, Silvana, 2011. "Further simulation evidence on the performance of the Poisson pseudo-maximum likelihood estimator," Economics Letters, Elsevier, vol. 112(2), pages 220-222, August.
- Santos Silva, Joao M C & Tenreyro, Silvana, 2009. "Further simulation evidence on the performance of the Poisson pseudo-maximum likelihood estimator," Economics Discussion Papers 3546, University of Essex, Department of Economics.
- J. M. C. Santos Silva & Silvana Tenreyro, 2009. "Further Simulation Evidence on the Performance of the Poisson Pseudo-Maximum Likelihood Estimator," CEP Discussion Papers dp0933, Centre for Economic Performance, LSE.
- James E. Anderson & Eric van Wincoop, 2003.
"Gravity with Gravitas: A Solution to the Border Puzzle,"
American Economic Review,
American Economic Association, vol. 93(1), pages 170-192, March.
- James E. Anderson & Eric van Wincoop, 2001. "Gravity with Gravitas: A Solution to the Border Puzzle," NBER Working Papers 8079, National Bureau of Economic Research, Inc.
- James E. Anderson & Eric van Wincoop, 2000. "Gravity with Gravitas: A Solution to the Border Puzzle," Boston College Working Papers in Economics 485, Boston College Department of Economics.
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