| 000 | 00606nam a2200181Ia 4500 | ||
|---|---|---|---|
| 008 | 210301s9999||||xx |||||||||||||| ||und|| | ||
| 100 | _aChen, M. Keith | ||
| 110 | _aNational Bureau of Economic Research | ||
| 245 | 0 |
_aGeographic mobility in America : _bEvidence from cell phone data / _cM. Keith Chen and Devin G. Pope |
|
| 260 |
_aCambridge _bNBER _c2020 |
||
| 300 | _a37p | ||
| 490 |
_aNBER Working Papers ; _v27072 |
||
| 650 | _aE28003.pdf | ||
| 650 | _aNBERWP 27072 | ||
| 700 | _aPope, Devin G | ||
| 856 | _uhttp://elibrary.igidr.ac.in/e-library/working papers/NBER/2020/E28003.pdf | ||
| 942 | _cE | ||
| 999 |
_c158289 _d158289 |
||