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A quasi-sure optional decomposition and super-hedging result on the Skorokhod space

期刊: FINANCE AND STOCHASTICS, 2021; 25 (3)

We prove a robust super-hedging duality result for path-dependent options on assets with jumps in a continuous-time setting. It requires that the coll......

Robust state-dependent mean-variance portfolio selection: a closed-loop approach

期刊: FINANCE AND STOCHASTICS, 2021; 25 (3)

This paper studies a class of robust mean-variance portfolio selection problems with state-dependent risk aversion. Model uncertainty, in the sense of......

Fast mean-reversion asymptotics for large portfolios of stochastic volatility models

期刊: FINANCE AND STOCHASTICS, 2020; 24 (3)

We consider an asymptotic SPDE description of a large portfolio model where the underlying asset prices evolve according to certain stochastic volatil......

Optimal insurance with background risk: An analysis of general dependence structures

期刊: FINANCE AND STOCHASTICS, 2020; 24 (4)

In this paper, we consider an optimal insurance problem from the perspective of a risk-averse individual who faces an insurable risk as well as some b......

An ergodic BSDE approach to forward entropic risk measures: representation and large-maturity behavior

期刊: FINANCE AND STOCHASTICS, 2019; 23 (1)

Using elements from the theory of ergodic backward stochastic differential equations (BSDEs), we study the behavior of forward entropic risk measures ......

JIF:1.92

A paradox in time-consistency in the mean-variance problem?

期刊: FINANCE AND STOCHASTICS, 2019; 23 (1)

We establish new conditions under which a constrained (no short-selling) time-consistent equilibrium strategy, starting at a certain time, will beat t......

JIF:1.92

Distributional compatibility for change of measures

期刊: FINANCE AND STOCHASTICS, 2019; 23 (3)

In this paper, we characterise compatibility of distributions and probability measures on a measurable space. For a set of indices J, we say that the ......

JIF:1.92

Dual utilities on risk aggregation under dependence uncertainty

期刊: FINANCE AND STOCHASTICS, 2019; 23 (4)

Finding the worst-case value of a preference over a set of plausible models is a well-established approach to address the issue of model uncertainty o......

JIF:1.92

No-arbitrage under a class of honest times

期刊: FINANCE AND STOCHASTICS, 2018; 22 (1)

This paper quantifies the interplay between the no-arbitrage notion of no unbounded profit with bounded risk (NUPBR) and additional progressive inform......

JIF:1.92

Risk measures based on behavioural economics theory

期刊: FINANCE AND STOCHASTICS, 2018; 22 (2)

Coherent risk measures (Artzner et al. in Math. Finance 9:203-228, 1999) and convex risk measures (Follmer and Schied in Finance Stoch. 6:429-447, 200......

JIF:1.92

Jump-robust estimation of volatility with simultaneous presence of microstructure noise and multiple observations

期刊: FINANCE AND STOCHASTICS, 2017; 21 (2)

In this paper, we develop the multipower estimators for the integrated volatility in (Barndorff-Nielsen and Shephard in J. Financ. Econom. 2:1-37, 200......

JIF:1.75

Alpha-CIR model with branching processes in sovereign interest rate modeling

期刊: FINANCE AND STOCHASTICS, 2017; 21 (3)

We introduce a class of interest rate models, called the alpha-CIR model, which is a natural extension of the standard CIR model by adding a jump part......

JIF:1.75

No-arbitrage up to random horizon for quasi-left-continuous models

期刊: FINANCE AND STOCHASTICS, 2017; 21 (4)

This paper studies the impact, on no-arbitrage conditions, of stopping the price process at an arbitrary random time. As price processes, we consider ......

JIF:1.75

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