Showing 1 - 10 of 4,141
A new alternative diffusion model for asset price movements is presented. In contrast to the popular approach of Brownian motion it proposes deterministic diffusion for the modelling of stock price movements. These diffusion processes are a new area of physical research and can be created by the...
Persistent link: https://www.econbiz.de/10005836494
predictability for stocks associated with higher limits to arbitrage, we also show that this effect is less pronounced for non …
Persistent link: https://www.econbiz.de/10014236025
This article aims to extend evaluation of the classic multifactor model of Carhart (1997) for the case of global equity indices and to expand analysis performed in Sakowski et. al. (2015). Our intention is to test several modifications of these models to take into account different dynamics of...
Persistent link: https://www.econbiz.de/10011539896
Many models have been suggested to describe how investors manage risk and value risky cash flows. Among them, the most widely used is the Sharpe-Lintner-Black Capital Asset Pricing Model (CAPM). However many anomalies and evidence against this version have been presented. To assume that the CAPM...
Persistent link: https://www.econbiz.de/10005434714
equivalent to the absence of arbitrage. State prices, which can be obtained from optimizing investors' marginal rates of …
Persistent link: https://www.econbiz.de/10014023860
Transaction-cost models in continuous-time markets are considered. Given that investors decide to buy or sell at certain time instants, we study the existence of trading strategies that reach a certain final wealth level in continuous-time markets, under the assumption that transaction costs,...
Persistent link: https://www.econbiz.de/10011308467
We consider fundamental questions of arbitrage pricing arising when the uncertainty model incorporates volatility … uncertainty. With a standard probabilistic model, essential equivalence between the absence of arbitrage and the existence of an … martingale measure sets, in a dynamic trading framework under absence of prior depending arbitrage. We prove the existence of …
Persistent link: https://www.econbiz.de/10010338399
, and the transaction cost and market friction are considered in building the arbitrage-free spread interval. By comparing … Treasury futures. We find that there are many arbitrage opportunities among the three varieties, and the market is not fully … Treasury futures market will lead to higher market efficiency, shorter duration of arbitrage opportunities, and a faster return …
Persistent link: https://www.econbiz.de/10014518583
This paper studies the concept of instantaneous arbitrage in continuous time and its relation to the instantaneous CAPM …. Absence of instantaneous arbitrage is equivalent to the existence of a trading strategy which satisfies the CAPM beta pricing … relation in place of the market. Thus the difference between the arbitrage argument and the CAPM argument in Black and Scholes …
Persistent link: https://www.econbiz.de/10012894845
This paper shows how to uniquely price non-traded assets using no-arbitrage in an otherwise friction-less market …
Persistent link: https://www.econbiz.de/10014355494