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 }(p;t) that defines the mean price p(1;t), mean square price p(2;t), price volatility } aggregated during certain time interval {\Delta}.