The answer is not as straightforward as you might think. If your website or business caters to the local community, such as a pizza delivery business or recruitment agency or the like, then it makes sense to get a country-specific domain. You actually benefit from having such a local domain because the people in your country know that they're dealing with a local entity, which is what they want. After all, if they stay in (say) the Australia, they're not likely to want to try to order pizza from pizzacafe.com, which suggests an international site. You'll have better luck calling it pizzacafe.co.au, ie, with a au domain.