Campbell, John Y.
No news is good news : an asymmetric model of changing volatility in stock returns .-- Cambridge [Mass.] : NBER , 1991
.--32 p. gráf. 23 cm .-- ( NBER. Working paper ; 3742 ).
Bibliografía. -- Conclusiones. -- Resumen
VOLATILIDAD FINANCIERA
No news is good news : an asymmetric model of changing volatility in stock returns .-- Cambridge [Mass.] : NBER , 1991
.--32 p. gráf. 23 cm .-- ( NBER. Working paper ; 3742 ).
Bibliografía. -- Conclusiones. -- Resumen
VOLATILIDAD FINANCIERA