Opinion
KEY POINTS:
Hardcore drugs P, cocaine and Ecstasy gave New Zealand a bill of about $546 million for social costs in one financial year.
They are a big part of the total $1.3 billion that drug use cost the country in 2005 and 2006.
The figures come from a new index designed by economists to help police decide where drugs do the most harm and enable them to use resources more efficiently.
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