May 17, 2010

Pitchforking forecasters

Peter Martin looks back at commentary arising from the May 2009 Budget
RICHARDSON: "Some of those growth assumptions are optimistic"

KOHLER: "A colossal turnaround that they’re forecasting which I don't think is credible at all"

BRISSENDEN: "The optimistic growth figures are are going to underpin the Government's argument about returning to surplus"
and Ken Henry's later observations
If the Government had waited for the recession to hit our shores before tackling it — and there are some who consider that this is precisely what they should have done — then you wouldn't have had anything like last week's document to confuse you. Things would have been much simpler.

It wasnt that long ago that everybody was forecasting a recession
AUSTRALIA is heading towards recession in 2009, according to a survey that has succesfully picked the last three economic downturns.

Despite billions in economic stimulus, continued slow growth in December points to a likely recession, economists said.

The monthly Westpac-Melbourne Institute leading index predicts the likely pace of economic activity for the next three to nine months.
and then by July Westpac had changed their tune
Surprise surge in Consumer Sentiment....
...Westpac Chief Economist, Bill Evans, commented, "This is unquestionably a stunning result.
This hasnt stopped the Murdoch rag churning out more tosh
THIS prime ministership, this budget and this election are all coming down to belief.

Do you believe Kevin Rudd? Do you believe the budget will return to surplus in 2012?
Yes, who do you believe - at least he has left the punting to the experts

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The last word has to be that of the study Are Some Forecasters Really Better Than Others?
Results suggests limited evidence for the idea that the best forecasters are actually innately better than others, though there is evidence that a relatively small group of forecasters perform very poorly.