Lach, Saul
R and D investment and industry dynamics .-- Cambridge (Mss.) : NBER , 1992
.--34 p. gráf. 22 cm .-- ( NBER. Working paper ; 4060 ).
Resumen. -- Conclusiones. -- Bibliografía
DESARROLLO ECONOMICO
INVESTIGACION CIENTIFICA
R and D investment and industry dynamics .-- Cambridge (Mss.) : NBER , 1992
.--34 p. gráf. 22 cm .-- ( NBER. Working paper ; 4060 ).
Resumen. -- Conclusiones. -- Bibliografía
DESARROLLO ECONOMICO
INVESTIGACION CIENTIFICA