Latest NSW Newspoll hits hard

The latest Newspoll has reversed the small gains made by Nathan Rees in the previous Newspoll, with the Coalition polling 41%, the ALP 31% and the Greens 14%. The two-party-preferred figure put the Coalition on 55%, however, as many have pointed out, two-party-preferred figures are largely meaningless in current NSW politics, with a large number of seats being contests between a major party candidate and a Green or independent, and with high rates of exhaustion expected. This factor makes it difficult to calculate the impact of a uniform swing from a poll using a pendulum.

I thought it would be worth making an attempt to calculate uniform swings based on primary votes. Of course, that is not simple and there is a wide margin of error in any predictions that can be made. I also calculated swings based on a proportion of the vote previously received. So a swing for the Greens from 10% to 14% was translated into a 40% increase in the Greens vote, rather than a uniform swing. I then tried to estimate the likely impact of preferences in all seats where no-one won a majority of primary votes. I assumed that Green preferences would be practically neutral, with far fewer Greens preferencing the ALP. I projected that independent preferences would favour the Coalition. I’ve included what this exercise came up with in the post below the fold.

Elsewhere: Posts at Macquarie Street, Poll Bludger and Pollytics.

My prediction produced a result of:

  • 38 Liberals (+16)
  • 30 Labor (-22)
  • 14 Nationals (+1)
  • 2 Greens (+2)
  • 9 Independents (+3)

The full list of seat changes are below:

Labor to Greens
Balmain
Marrickville

Labor to Independent
Charlestown
Maitland
Newcastle

Labor to Liberal
Blue Mountains
Camden
Coogee
Drummoyne
Gosford
Granville
Heathcote
Londonderry
Menai
Miranda
Penrith
Ryde
Swansea
The Entrance
Wollondilly
Wyong

Labor to Nationals
Monaro

In addition, such a result would put the Greens in second place in seats such as Ballina, Heffron and Wollongong. This calculation also puts the Greens close to overtaking the ALP in Coogee, which could allow them to overtake the Liberals on preferences. In addition, I think it’s possible that the independent vote in Newcastle has been exagerrated, and in that seat the Greens effectively tied for second place.

And here are maps showing what the results would look like. Dark blue seats are those I am projecting the Liberals to win off Labor. Light blue seats are currently held by the Liberals.

map1

map2