TY  - BOOK
AU  - WOOLDRIDGE Jeffrey M
TI  - Econometric analysis of cross section and panel data
SN  - 9780262232586
U1  - X:(B), P2; Q0 
PY  - 2010///
CY  - Cambridge
PB  - MIT Press         
KW  - Economics
N1  - Bibliography: P 1025-1044
ER  -