In the past two weeks Cambodia, Indonesia, Kazakhstan, Russia, Argentina, Ukraine and Thailand have taken the easy option, restricting food exports in an attempt to shore up domestic supplies.
Such curbs may be politically expedient, but they are economically self-defeating. They demotivate farmers, push them into growing the wrong crops and jeopardise their future access to markets. Moreover, the restrictions on supply send prices even higher on world markets.....
....Because of export quotas, Ukrainian growers, after harvesting more than they could sell at home, were forced to toss $100m-worth of rotten grain into the Black Sea earlier this year—just when world markets were desperate for supply. The measures can also be counter-productive, forcing growers to switch into new crops to avoid the export curbs. That can make local food shortages even worse.....
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