RBA Annual Conference – 2018 Equation (3)

\sum_{i \in D} β_{i} \frac{d (r_{A, i} - r_{C})}{d r_{C}} + \sum_{j \in D} α_{j} (- \frac{d (r_{L, j} - r_{C})}{d r_{C}}) = - (1 - \sum_{j} α_{j}) - 0.04