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— In overlay multicast, every end host forwards mul-ticast data to other end hosts in order to disseminate data. However, this cooperative behavior cannot be taken for granted, since each overlay node is now an intelligent end host, rather than an obedient router as in IP multicast. Ideally, a strategyproof mechanism should be provided to motivate(More)
In autonomous networks, cooperations among nodes cannot be assumed, since each node is capable of making independent decisions based on their personal preferences. In particular, when a node needs the help of intermediate nodes to relay messages to other nodes, these intermediaries may be reluctant to contribute their network resource for the benefit of(More)
— In autonomous networks, cooperations among nodes cannot be assumed, since each node is capable of making independent decisions based on their personal preferences. In particular, when a node needs the help of intermediate nodes to relay messages to other nodes, these intermediaries may be reluctant to contribute their network resource for the benefit of(More)
In overlay multicast, every end host forwards multicast data to other end hosts in order to disseminate data. However, this cooperative behavior cannot be taken for granted, since each overlay node is now a strategic end host. Ideally, a strategyproof mechanism should be provided to motivate cooperations among overlay nodes so that a mutually beneficial(More)
I document evidence that equity options with different maturities do not embed the same type of stock information with the same strength. Long-dated options not only embed long-horizon stock information, but also short-horizon information, even if a cheaper and more liquid short-dated option is available. More surprisingly, options can even embed stock(More)
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