China shuts the door on Internet downloads that violate copyright laws Some experts hold that in the information era, the development of advanced technology like BT is unavoidable.
We give a comparison of two no-arbitrage conditions for the fundamental theorem of asset pricing. The first condition is named as the no free lunch with vanishing risk condition and the second the no good deal conditi...We give a comparison of two no-arbitrage conditions for the fundamental theorem of asset pricing. The first condition is named as the no free lunch with vanishing risk condition and the second the no good deal condition. We aim to derive a relationship between these two conditions.展开更多
We prove an L∞ version of the Yan theorem and deduce from it a necessary condition for the absence of free lunches in a model of financial markets, in which asset prices are a continuous R^d valued process and only s...We prove an L∞ version of the Yan theorem and deduce from it a necessary condition for the absence of free lunches in a model of financial markets, in which asset prices are a continuous R^d valued process and only simple investment strategies are admissible. Our proof is based on a new separation theorem for convex sets of finitely additive measures.展开更多
文摘A water rights system may prove to be a viable solution to managing the country’s limited and degraded water resources Red grasslands started growing
文摘China shuts the door on Internet downloads that violate copyright laws Some experts hold that in the information era, the development of advanced technology like BT is unavoidable.
基金This research is supported by a project of Financial Mathematics,Financial Engineering and Financial Management,which is one of"Ninth Five-Hear Plan"Major Projects of National Natural Science Foundation of China(Grant 79790130)Basic Research Foundation,School of Economics and Management,Tsinghua University.
文摘We give a comparison of two no-arbitrage conditions for the fundamental theorem of asset pricing. The first condition is named as the no free lunch with vanishing risk condition and the second the no good deal condition. We aim to derive a relationship between these two conditions.
文摘We prove an L∞ version of the Yan theorem and deduce from it a necessary condition for the absence of free lunches in a model of financial markets, in which asset prices are a continuous R^d valued process and only simple investment strategies are admissible. Our proof is based on a new separation theorem for convex sets of finitely additive measures.