september 2003 territory economic review www nt gov au ntt if you would like to receive email notification when each release is posted on the internet please economicservices or call 08 8999 6801 overview evolving economy in past ten years a key driver structure of has been increase defence numbers leading major cycle activity next few will see another phase infrastructure and resource investment following completion alice springs darwin railway increased capacity coming stream transport mining energy mainly oil gas generate opportunities other industries particularly manufacturing services potential construction two million concrete sleepers for boosted non metallic mineral processing sub section short term metal products primarily alumina production at nhulunbuy continue dominate with strength sector source demand manufactured development population growth should lead economies scale emerging enable some import substitution