The contribution of market makers to liquidity and efficiency of options trading in electronic markets /  
Rafi Eldor...[et al.]. 
<br/><br/> Notas al pie del texto. 
<br/><br/>Bibliografía: p. 2040. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Comercio móvil<br/>Opciones (Finanzas)<br/>Usura