Most prominently omitted by Barro, among variables often shown in this literature to be strongly related to growth, are the trade intensity ratio and the black market premium.

• 巴罗教授最大的忽略，就是贸易强度比率（tradeintensityratio）和黑市溢价（theblackmarketpremium）。在这篇文献中，他讲了很多与增长具有密切关系的变量，但是，这两个变量被忽略了。