@article{Arellano1991,
author = {Arellano, M. and Bond, S.},
title= {Some tests of specification for panel data: Monte Carlo evidence and an application to employment equations},
year = {1991},
doi = {10.2307/2297968},
journal = {Review of Economic Studies},
volume = {58},
number = {2},
pages = {277--297},
}