搜索结果: 31-39 共查到“经济学 arbitrage”相关记录39条 . 查询时间(0.059 秒)
In this work, we identify the most general measure of arbitrage for any market model governed
by Itˆo processes. We show that our arbitrage measure is invariant under changes of num´eraire...
Market viability via absence of arbitrage of the first kind
Arbitrage of the first kind cheap thrills fundamental theorem of asset pricing equivalent
2010/10/29
In a semimartingale financial market model, it is shown that there is equivalence be-tween absence of arbitrage of the first kind (a weak viability condition) and the existence of a strictly positive ...
Correlation breakdown, copula credit default models and arbitrage
Correlation breakdown copula credit default models arbitrage
2010/11/2
The recent ‘correlation breakdown’ in the modeling of credit default swaps,in which model correlations had to exceed 100% in order to reproduce market prices of supersenior tranches, is analyzed and a...
Fractional term structure models: No-arbitrage and consistency
Fractional term structure models No-arbitrage consistency
2010/12/13
In this work we introduce Heath-Jarrow-Morton (HJM) interest rate models driven by fractional Brownian motions. By using support arguments we prove that the resulting model is arbitrage free under pro...
Nonlinear Pricing with Arbitrage: On the Role of Correlation
Nonlinear pricing weakly collusion-proof arbitrage correlated types
2010/7/2
In nonlinear pricing environment with correlated types, we characterize optimal selling mechanisms when buyers could form a coalition to coordinate their reports and to arbitrage on the goods. We find...
No Arbitrage Conditions For Simple Trading Strategies
Arbitrage Conditions Trading Strategies
2010/12/13
Strict local martingales may admit arbitrage opportunities with respect to the class of simple trading strategies. (Since there is no possibility of using doubling strategies in this framework, the lo...
Statistical Arbitrage and Optimal Trading with Transaction Costs in Futures Markets
Statistical Arbitrage Optimal Trading Transaction Costs Futures Markets
2010/12/13
We consider the Brownian market model and the problem of expected utility maximization of terminal wealth. We, specifically, examine the problem of maximizing the utility of terminal wealth under the ...
Diversity and relative arbitrage in equity markets
Diversity relative arbitrage equity markets
2010/12/17
A financial market is called "diverse" if no single stock is ever allowed to dominate the entire market in terms of relative capitalization. In the context of the standard Ito-process model initiated...
Inquiry into the Micro Foundation of Macro Fluctuations: The Law of Large Numbers and Arbitrage unde
2008/1/17
The law of large numbers introduces an order of where N is the number of elements in a linear stochastic system with or without growth. Comparing observed magnitudes of macro fluctuations and numbers ...