The Boston Globe reports:
... America is one big discount bin, thanks to a weak dollar that slid this week to another record low against the euro. As a result, tourists are spending thousands to travel to the United States to snag blockbuster bargains on everything from iPods to designer clothes and handbags.
I guess the goods themselves would be counted as exports, even though they are sent abroad after the final purchase by a consumer, rather than before as is normally the case. And the various services the shoppers consume (e.g., eating at restaurants) would be under mode 2 of GATS, consumption abroad.