If economic structures were dissimilar, then the second criterion became critical: Were arrangements in place to adjust to asymmetric shocks? The two key arrangements that most economists emphasized were fiscal transfers, which could cushion shocks in badly affected regions, and labor mobility, which would allow workers from such regions to move to less affected ones.
如果经济结构不同，那么第二个标准就变得至关重要：具有调整不对称冲击的安排吗？大部分经济学家强调两大关键安排，一是财政转移，它能缓冲受冲击重创的地区；而是劳动力流动性，它让重创地区工人能够迁往受创较轻地区。