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This one comes from a paper, delivered at a NBER conference last month, on the supply dynamics of the housing boom and bust. (A hat tip goes to Benjamin Keys.) The authors crunched census data to compile the compounded annual growth rates of the population, smoothed out over five years.
FORBES: Connect
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As Mr Sharif comes from a business family, the paper argues this should help him "winning back the confidence and trust of the foreign investors".
BBC: Press highlight Pakistan challenges
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This week's unusual twist comes in the shape of a paper in Proceedings of the National Academy of Sciences (PNAS), which suggests a very different relationship between two of the major amphibian threats: loss of habitat, and the fungal disease chytridiomycosis.
BBC: Double whammy for the disappearing frogs