After its third nuclear test, the price of rice in Pyongyang jumped from 5,500 won per kilogram to 9,000 won per kilogram. The cost of other groceries likewise increased by around 70 percent. 

This jump is likely the result of China's stricter enforcement against smuggling across the China-North Korea border. China began cracking down on smuggling as an unofficial sanction against North Korea's nuclear test, which severely restricted the flow of goods from China to North Korea, particularly rice. This is a hopeful sign that China may participate more fully in the new round of sanctions approved by the United Nations Security Council. In the course of issuing the new round of sanctions, South Koreans diplomats say they have detected a new sense of resolve from the Chinese representatives.

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