Spog’s pictures
Posted by Nicholas Gruen on Sunday, November 18, 2007
I was recently sent this correspondence by occasional Troppo poster, and person of considerable knowledge about the tax and transfer system, Spog. Here’s what he wrote.
Hello Nick,
I haven’t bothered you in a while, so I thought it was time to send you something out of left field.
Two relatively recent discussions on Troppo seem to have come together in an unusual way. One is the tax-transfer system, and the other is the new version of Microsoft Office.
I have been looking at Average Effective Tax Rates (yawn) for couples and was interested in ways to display the interaction of two incomes on household AETRs. I gave the new Excel its head: chose a chart type, put all settings to auto (bar one), and ended up with something that is both difficult to comprehend (at first glance), yet oddly beautiful. An art form, rather than an analytical tool, perhaps?
I’ve attached three charts, in a powerpoint show, so you can see what I mean. Do look at them as a slideshow, for the full effect.
I may have to reassess my voting intentions on 24 November in terms of how pretty each party makes the tax-transfer system look using this presentation method.
And the pictures? They’re below the fold.
This entry was posted on Sunday, November 18th, 2007 at 11:04 PM and filed under Uncategorised.
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If no-one comments on these my plans for an exhibition at the local art show are in tatters.
Posted on 19-Nov-07 at 1:49 pm | PermalinkSpog, if you’re looking for an elegant tax system visualised, I graphed the LDP tax policy Reform 30/30 which was published by the CIS.
Note that Tax Reform 30/30 is actually a negative income tax which replaces Centrelink, but to avoid comparing welfare systems I’ve treated “negative taxation” as 0% taxation.
Couple, no children
Couple, two children
I also did a 3d visualisation which I think is easy to understand.
No children, 3d visualisation
Two children, 3d visualisation
Posted on 19-Nov-07 at 8:48 pm | PermalinkI was thinking just today that a 3D projection would be more meaningful to the naked eye than a heatmap/colour chart.
Great pictures, John. Perhaps you should email them to Nicholas Gruen for a followup.
Posted on 19-Nov-07 at 9:01 pm | PermalinkJacques – email me his address and I’ll do that.
Posted on 19-Nov-07 at 9:17 pm | PermalinkThese images rendered in silk would make for a lovely tie.
Posted on 20-Nov-07 at 11:37 am | PermalinkJohnZ – not sure that an elegant tax system gives rise to nice pictures. And if you had included the NIT component, it would have been even duller (assuming I understand it). My pics include welfare (hence the high AETR numbers) and that is, at least in part, what gives the tasty colours.
James Hamilton – Hadn’t thought of ties. I was thinking of Xmas in July presents – a new tax year starts, and you get one of these customised to your family type. Who could resist such a personal gift?
Posted on 20-Nov-07 at 12:59 pm | Permalink