This paper considers price volatility as the reason for description of the second-degree economic variables, trades and expectations } } aggregated during certain time interval {\Delta}.
<meaning-changed> This paper considers price volatility as the reason for description of the second-degree economic variables, trades and expectations } } aggregated during certain time interval {\Delta}.
This paper considers price volatility as the reason for description of the second-degree economic variables, trades and expectations \eta} } aggregated during certain time interval {\Delta}.