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In the situation of rapid population aging, postponing retirement is a timely and effective measure in relieving pressure of old age support. However, many people think that postponing retirement will crowd out youth employment. Using data in China, this paper shows that this judgment cannot be...

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国际农产品贸易对于维护全球粮食安全起着关键的作用。 一方面， 国际贸易使全球的消费者得以获取多样性的食物（Krivonos 和 Kuhn， 2019）， 另一方面， 贸易也可以通过食品分配机制， 充分利...