Labour Leader David Cunliffe says support for the National Government will "corrode" over coming months as public discomfort over perceptions of crony capitalism such as the Oravida affair grows.
Front footing a disappointing Herald-Digipoll result this morning which showed support for National rising five points to 50.8 per cent Mr Cunliffe said Prime Minister John Key and his party were benefiting from being in power for some time and "a temporary upswing in the economy as a result of high dairy prices and an quake insurance payments.
National showed no sign of being affected by allegations of a conflict of interest that engulfed high flying minister Judith Collins around dairy export company and financial supporter of the National Party Oravida which gained momentum during the polling period.
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However, Mr Cunliffe said he expected that would "filter through" and affect National over time.