Gans on Girl Goofs

Joshua Gans reports on worrying new research about the effect of tax payments on the gender mix of children. More here.

And in unrelated news, Google Sydney has just announced gDay with MATE. From the release:

Using MATE’s™ machine learning and artificial intelligence techniques developed in Google’s Sydney offices, we can construct elements of the future.

Google spiders crawl publicly available web information and our index of historic, cached web content. Using a mashup of numerous factors such as recurrence plots, fuzzy measure analysis, online betting odds and the weather forecast from the iGoogle weather gadget, we can create a sophisticated model of what the internet will look like 24 hours from now.

We can use this technique to predict almost anything on the web – tomorrow’s share price movements, sports results or news events. Plus, using language regression analysis, Google can even predict the actual wording of blogs and newspaper columns, 24 hours before they’re written.

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3 Responses to Gans on Girl Goofs

  1. Matt says:

    Apart from the strong correlation, do you have any anecdotal accounts of parents making this deliberate decision, or tax agents giving this advice? Seems a rather obscure point for several hundred parents with other things on their minds to be considering.

  2. Joshua Gans says:

    Matt, I was as shocked as you are but can real data really lie. From people I know, no one wants to talk about this.

  3. Matt says:


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