This is sort of in the vein of the intermittent series (1, 2), its adopted sibling and an older post on “hollowing out”. But it’s also much less thought out.
Earlier today, following the announcement that Ford would shut its Geelong plant, Scott Steel tweeted
The lesson that shan’t speak it’s name – if we’d like to keep making stuff in Australia, we need more people in Australia
— Possum Comitatus (@Pollytics) May 23, 2013
Although the following conversation indicated he may have been concerned largely with products designed for Australian consumers rather than domestic production and certainly not exports, it did remind me of something very interesting, but possibly unimportant – the home markets effect, a product (partly) of the equally fascinating and possibly unimportant New Trade Theory and New Economic Geography.
In short, companies that produce for a market in their own country have an advantage when exporting. If we have increasing returns to scale, that is it keeps getting cheaper to produce more once you’re already producing, then the efficient, cheap producers are those who are already producing. This might simply be because the factories are already built, the workers trained, the know how known etc so there are no start up costs.
If so, then when it comes to trade, the countries who were producing widgets for their own market are those that provide it cheapest to everyone else. The home market has become part of the country’s comparative advantage.
The trivial example might be in your cupboard. If you have a tin of tomatoes, unless it is SPC, its almost certainly from Italy. The most expensive part of a tin of tomatoes is the canning. Italian plants already produces heaps of tins for Italians, so they can provide them for just 79 cents to us. Continue reading



