Equation 12.18.4A89800F03DB4

\begin{equation} T_{\varepsilon ,t}=\frac1n\left(H_1+f_{\varepsilon ,t}\sum _{i=2}^ nH_ i\right), \qquad k_{T_{\varepsilon ,t}}=V^{-1/n}f_{\varepsilon ,t}^{\alpha }. \end{equation}