Reply to Davidson and Robson

Phillip Adams and Peter Dixon have prepared a reply (over the fold) to the opinion piece by Robson and Davidson in the Australian which offered a range of incoherent criticisms of proposals to reduce emissions of greenhouse gases. Disgracefully, but not at all surprisingly, the Oz has declined to print it, marking yet another step in its decline.

Admittedly, the debate is so one-sided that printing the reply would have made it obvious how ill-advised it was to publish the Davidson-Robson piece in the first place. Dixon is Australia’s pre-eminent economic modeller, and Adams is his successor as Director of the Centre of Policy Studies at Monash. They have published extensively in leading economic journals on modelling and climate change, and their expertise shows. Robson and Davidson have essentially zero professional expertise on these issues, and that shows too. Of course, they have exactly zero professional expertise in climate science, and that hasn’t stopped them claiming the entire profession is wrong, so we shouldn’t be surprised.

Tim Lambert cleans up what’s left
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Groundwater

The bleak outlook for the Murray-Darling Basin has just got substantially worse with reports that inflows may have been overestimated by as much as 40 per cent, as a result of double counting of groundwater. Of course, as Malcolm Turnbull says in the article, the general problem is well-known to those working in the area. The Risk and Sustainable Management Group*, which I lead at UQ, has been working on it for some time, and so have lots of others. But, as we know all too well from our modelling efforts, there’s a huge gap between a qualitative understanding of the issues, and an adequate quantitative representation of flows of water and salt, not to mention the nutrients that contribute to things like blue-green algae blooms. Everyone is doing the best they can, but it will take a long time to get coherent data sets together, and time is something we don’t have.

In the meantime, policy is at a standstill because the National Party refuses to countenance voluntarily repurchase of water rights, let alone a scaling back of allocations that are, in retrospect, obviously unsustainable. Unless Turnbull can really start banging some heads together on this one, his first ministerial stint is going to end up a disastrous failure.

* I’m reposting this at the RSMG blog, which has lots of useful discussion of water and other environmental issues.

Update 18/5 It turns out this estimate is from Bill Heffernan (I had somehow inferred that the National Water Commission had produced it) and it’s an upper bound, based on the total contribution of groundwater. Turnbull has a letter in today’s Fin suggesting that the real value is 3 per cent, though I don’t think this includes capture of surface flows through farm dams, laser levelling and so on. Even 3 per cent of flows is a big deal – much more than the amount that has so far been repurchased or regained through efficiency savings.

Insider

Andrew Bolt picks up the Davidson-Robson piece I mentioned here. I know Bolt mainly from his writing about global warming and (to a lesser extent the Iraq war) where he is about as wrong as it is possible to be, in every possible way. He gets basic facts wrong, recycles long-exploded propaganda exercises like the Oregon Petition and commits just about every kind of logical fallacy known, all in an attempt to push a position that has literally no credible scientific defenders left*. He compounds all this by explaining the virtually unanimous verdict of the scientific community, including such bodies as the US National Academy of Sciences, Royal Society of the UK, Australian Academy of Sciences and so on as the product either of a crude conspiracy to scare up grant money or a quasi-religious cult.

Fortunately, in the case of global warming, anyone with access to the Internet can easily check the facts, so the only people deluded by Bolt on this topic are those complicit in their own delusion, believing an implausible story because it suits their ideological or cultural/tribal prejudices. But Bolt’s opinions on general politics are routinely featured on such programs as the ABCs Insiders. As the name of the show indicates, we are supposed to accept on faith that Bolt has access to facts and insights not available to the rest of us, except through the intermediation of Bolt or his fellow-insiders.

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Omnivore

This survey says I’m an Internet Omnivore, but reading the descriptions I’m more of a Lackluster Veteran. I don’t like mobiles/cellphones much, because they’re fiddly and unintuitive, and I only rarely send text messages – I keep forgetting where the space bar is. However, once the iPhone comes out, I expect to be properly omnivorous. (H/T Edumacation* – Also an Omnivore)

* While I’m at it, can anyone point me to the origin of constructions like Edumacation, Journamalism and so on. Wikipedia isn’t much help, and Uncyclopedia’s entry, while edumacational, gives no etymamology.

The party of initiative …

Since opinion polls are undertaken as a basis for news stories, it’s probably inevitable that the results are given more significance than they deserve. Before we get too carried away with Labor’s good result in the latest Galaxy poll and Newspoll it’s worth recalling a couple of basic points

* Opinion polls are samples with a margin of error, and fluctuations of 2 per cent or so can be expected as the result of chance variation (if you believe in classical hypothesis testing, you can say that such a change is statistically insignificant). So the fact that Labor gained 2 per cent in the latest Newspoll means almost nothing, except as a pointed lesson to people like Greg Sheridan who tried (while covering himself in qualifications) to make a trend out of the 2 per cent drop in the previous poll

* Swinging voters are not close followers of the political scene with finely balanced preferences tipping from one side to the other as a result of careful analysis of the latest news. There’s no reason to expect a budget to have a big impact on votes, especially when it contains few surprises. The government is probably right to say that the impact of the Budget, which is essentially to remind people that economic conditions are good, will be felt gradually over the next couple of months.

That’s the good news for the government. The bad news is that the government’s cleverness in stealing the most attractive components of Labor’s policy is likely to prove either ineffective or counterproductive. As far as public expenditure and taxation is concerned, the big news is that Labor is once again the party of initiative. Most people are unimpressed by tax cuts, and would prefer an improvement in services, delivered without the ideological riders that the government insists on attaching to almost everything (university grants conditional on AWAs, micromanagement of state functions to ensure Commonwealth credit and so on). The same is true, in the absence of a dramatic shift in government policy, on climate change. It’s only on Industrial Relations that the government is acting and Labor reacting, and even here Rudd’s link of IR and family issues has to some extent turned the debate around.

The party of initiative doesn’t always win, particularly if people are worried about dangerous radicals lurking in the shadows. But with Rudd offering a safe pair of hands, this fear is unlikely to be as effective as it was in the past. Howard has shown himself capable of pulling rabbits out of the hat in the past, and it looks as if he will have to do so again.

Conserva-bible

I can’t resist following Conservapedia, the Tlön version of Wikipedia, in which the liberal, anti-American bias of the Earth version is replaced with virtue and apple pie. But where did this bias come from, and how is it so deeply rooted in our culture? The answer, it turns out is the Bible, not of course the true version held in the vaults of Uqbar, but the liberal Earth Bible known by such as names as the King James and Revised Versions.

In the Uqbar version, as explained at Conservapedia, all sorts of politically correct liberalism is eliminated or glossed out of existence. Uqbar scholars have discovered that the soft-on-crime John 8:7 ‘”If any one of you is without sin, let him be the first to throw a stone” was inserted by time-travelling liberals some time around the 4th century. Naturally, Conservapedia says, Wikipedia sticks to the Earth version, though a check of the actual site suggests that the annoying liberal habit of looking at all the evidence is at work here as well.

Conservapedia has able assistance from other conservative sources. All that class warfare stuff about the rich not getting into heaven (Matthew 19:21-24) turns out to mean that if you want money, you should cut God (or his earthly representatives) a good share in advance. Other kinds of warfare are fine with the Prince of Peace, though. As for turning the other cheek ((Luke 6:27-31), it’s No More Christian Nice Guy.

Weekend reflections

Weekend Reflections is on again. Please comment on any topic of interest (civilised discussion and no coarse language, please). Feel free to put in contributions more lengthy than for the Monday Message Board or standard comments.

Miserable failure …

… is a term that will forever be associated with George W. Bush. So, it’s interesting in more than one way that two of our local supporters of the Bush policy line on most issues , Sinclair Davidson and Alex Robson, use the phrase to describe a petition signed by a large proportion of the Australian economics profession in 2002, calling on the government to ratify Kyoto. (I was one of the organisers, and am currently particpating in a similar exercise). Writing in the Oz (where else), Robson and Davidson write “A similar petition was circulated in 2002 but ended in miserable failure when the Government simply ignored it.”

It’s an impressive piece of chutzpah on the part of Robson and Davidson to ignore the fact that, in the intervening five years, the government’s rejectionist position has collapsed, having already been abandoned by the business community and the vast majority of the Australian people. I don’t suppose a petition signed by academic economists had much responsibility for this, but it may have helped to undercut the spurious claim that signing Kyoto would be ruinous to the economy.

But for real chutzpah you can’t go past the fact that when the 2002 petition was released, with nearly 300 signatures, a counter-petition was immediately announced, and a text circulated. But the petition was never released apparently because the number of signatories was embarrassingly small and the number with any real stature in the profession close to zero. The leading organiser of this effort – none other than Alex Robson.
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