| 000 | 00512nam#a2200193#c#4500 | ||
|---|---|---|---|
| 003 | IEF | ||
| 005 | 20180219154031.0 | ||
| 008 | 941031s1990 uuu####fr####| 0||u| |u | ||
| 040 | _aIEF | ||
| 100 | 1 |
_aSilk, Alvin J. _941238 |
|
| 245 | _aScale and scope effects on advertising agency costs | ||
| 260 |
_aCambridge (Mss.) _b NBER _c1990 |
||
| 300 |
_a57 p. _b gráf. _c 23 cm. |
||
| 490 | _aNBER working papers;3463 | ||
| 650 | 4 |
_aECONOMIAS DE ESCALA _943194 |
|
| 942 | _cLIB | ||
| 942 | _z9586 | ||
| 999 |
_c37203 _d37203 |
||