TY  - BOOK
AU  - Wooldridge,Jeffrey M.
TI  - Introductory econometrics: a modern approach 
SN  - 9781305270107
PY  - 2016///
CY  - Boston
PB  - Cengage Learning
KW  - Econometrics
N1  - Includes bibliographical references and index (pages 750-789)
ER  -