TY - JOUR TI - A Lagrange Multiplier test for cross-sectional dependence in a fixed effects panel data model AU - Badi H. Baltagi AU - Qu Feng AU - Chihwa D. Kao JO - Journal of Econometrics PY - 2012 VL - 170 IS - 1 DO - 10.1016/j.jeconom.2012.04.004 UR - https://doi.org/10.1016/j.jeconom.2012.04.004 ER -