http://www.bagu.cc/
In the context of the current weakness in the Australian economy, any investment in new production facilities irrespective of the source or the industry, is likely to have beneficial effects at least in the short term. These effects will be most apparent in the impact on employment, but there will also be less visible, but substantial, multiplier effects as the expenditure permeates through the economy.
　　
　　the last clause "…as the expenditure permeate through the econmy." what does it mean ?