Arrow’s impossibility theorem – for academics

I’m reading John Cassidy’s remarkable book How Markets Fail (2009), which includes a brief aside on economist Kenneth Arrow‘s fundamental work on “‘social’ ordering” – the problem of “converting individual preferences over a set of [possibilities]…into a consistent ordering for society as a whole” (p. 62, in Cassidy’s paperback edition). To paraphrase Cassidy’s eloquent summary,…

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Malta’d (field notes and photos)

April took me to Malta with our second-year Marine Geography undergraduates. (I know it’s now July, and April was a while ago. I’m doing my best here.) While Roo Perkins led one crew on snorkeling surveys of biodiversity in a selection of bays around the island, Rhoda Ballinger & I led a second group on…

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