The Government says it is difficult to estimate the social costs of the SkyCity convention centre deal but is nevertheless confident they will be outweighed by the benefits it brings.
In a recent briefing paper to his Cabinet colleagues, Economic Development Minister Steven Joyce says gambling law concessions including allowing SkyCity to increase gaming machine numbers "might lead to an increase in the number of people seeking help for problem gambling''.
But while Mr Joyce has received official advice on the issue, he told his colleagues, ``It is difficult to quantify the potential size of any such increase or its consequences, which could include financial costs, effects on employment, crime, personal and family impacts, and treatment costs for persons affected''.
The potential for increased harm had been considered during negotiations with SkyCity over the $402 million convention centre and the casino operator had agreed to put in place additional harm minimisation measures.
Mr Joyce said that would minimise potential problem gambling and money laundering opportunities arising from the additional gambling facilities.