RDP 2015-11: Unprecedented Changes in the Terms of Trade: Online Appendix Equation

\begin{array}{l} C_{t} = {[γ_{T, t}^{\frac{1}{η}} C_{T, t}^{\frac{η - 1}{η}} + γ_{N, t}^{\frac{1}{η}} C_{N, t}^{\frac{η - 1}{η}}]}^{\frac{η}{η - 1}} \\ C_{T, t} = \frac{C_{H, t}^{γ_{H}} C_{F, t}^{γ_{F}}}{γ_{H}^{γ^{H}} γ_{F}^{γ_{F}}} \end{array}