-Why did the Chinees yuan depreciate against the dollar between August 2015 and December 2016? What were the benefits of the depreciation for China? What were the costs?

-Why did conditions reverse in 2017, with the yuan appreciating against the dollar? What does this tell you about how the foreign exchange market works?

- What could importers such as the Chinese airlines have done to limit the negative impact of a depreciation in the value of the yuan against the dollar in 2016? Should they have done this?