Large local retailers love to claimed that online shopping is unfair to them because overseas sales don't attract GST for sub-$1,000 purchases, and they've even persuaded the Productivity Commission to examine the issue. SmartCompany has a well-put summary of why the arguments pushed by the big retailers are fundamentally wrong-headed.
None of what the piece is an earth-shattering revelation; we've noted before that big companies who argue they're disadvantaged by online sales but have no online option themselves don't have any real basis for whining. But it's a good resource to point any less tech-savvy relatives and friends to if they try and tell you that online shopping is "bad for the economy" with no more basis than a corporate-funded advertising campaign.
5 reasons the big retailers are wrong [Smart Company]