TY  - BOOK
AU  - Wooldridge,Jeffrey M.
TI  - Introductory econometrics: a modern approach 
SN  - 9781337558860
AV  - HB139.W67 2020 
PY  - 2020///
CY  - Boston, MA
PB  - Cengage Learning
KW  - Econometrics
KW  - Problems, exercises, etc
N1  - Includes bibliographical references (pages 791-796) and index
ER  -