马蒂内利先生计划对外国投资者实施减税政策，同时也承诺给贫困人口非缴费养老金。

Mr Martinelli wants to offer tax breaks to foreign investors, but he also promised a non-contributory pension for the poor.

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本文通过建立一种扩展的夏皮罗·斯蒂格利茨模型，解释了“交保证金”的报酬政策在中国存在的原因。

By expanding on ShapiroStiglitz Model, we try to interpret the reason why "bonding" reward policy exists in China.

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