The limit distribution of the least squares estimator $\hat{\alpha}$ of the parameter $\alpha$ of the first order stochastic difference equation, in the boundary case $\alpha = 1$, is calculated.
@article{1176345591,
author = {Evans, G. B. A. and Savin, N. E.},
title = {The Calculation of the Limiting Distribution of the Least Squares Estimator of the Parameter in a Random Walk Model},
journal = {Ann. Statist.},
volume = {9},
number = {1},
year = {1981},
pages = { 1114-1118},
language = {en},
url = {http://dml.mathdoc.fr/item/1176345591}
}
Evans, G. B. A.; Savin, N. E. The Calculation of the Limiting Distribution of the Least Squares Estimator of the Parameter in a Random Walk Model. Ann. Statist., Tome 9 (1981) no. 1, pp. 1114-1118. http://gdmltest.u-ga.fr/item/1176345591/