The problem is that if you want to do risk-sharing, you're not, ideally, sharing with someone who's just like you living in Israel, working in a certain agricultural industry-- because there are lots of risks that you've already shared.
如果你真的想要达到风险分摊的效果,理论上说,就不应该只和与你的同伴,比如同住在以色列,一样从事农业的人来分摊-,因为你们承担的许多风险是正相关的。
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