TY - JOUR TI - GMM estimation with cross sectional dependence AU - Timothy G. Conley JO - Journal of Econometrics PY - 1999 VL - 92 IS - 1 DO - 10.1016/s0304-4076(98)00084-0 UR - https://doi.org/10.1016/s0304-4076(98)00084-0 ER -