1.
Phys Rev E Stat Nonlin Soft Matter Phys
; 66(4 Pt 2): 045103, 2002 Oct.
Artículo
en Inglés
| MEDLINE
| ID: mdl-12443244
RESUMEN
Classic studies of spot price fluctuations for commodities like cotton and wheat have been interpreted using a power-law probability distribution with exponent alpha inside the Lévy-stable regime (0