نتایج جستجو برای: market risk

تعداد نتایج: 1105167  

Stock market volatility is evaluated by measuring the variance of the market that is evaluated through consumption growth volatility in the framework of pricing of CCAPM models. This theory is not consistent with revealed facts, in reality; because consumption growth is very smooth but stock market appears highly volatile; this is famous to stock market volatility puzzle. In this regard, the ne...

Journal: :international journal of smart electrical engineering 2015
atefeh zomorodi moghadam hossein javidi dasht bayaz javad saebi

this paper proposes a stochastic framework for demand response (dr) aggregator to procure dr from customers and sell it to purchasers in the wholesale electricity market. the aggregator assigns fixed dr contracts with customers based on three different load reduction strategies. in the presented problem the uncertainty of market price is considered and the risk of aggregator participation is ma...

After restructuring, Iran’s electricity market has become one of the most competitive markets in which generation companies offer their proposed price on several price benches. So, the decisions in this market can use statistical concepts. In this paper, a conceptual model is presented according to simultaneous analysis of probabilistic distribution for historical data of market clearing price ...

Considering the Tehran stock exchange’s status after the Covid-19 pandemic; it is essential to assess the role of different assets as a risk hedge and safe haven of the stock market during the pandemic. In this study, the trend of the gold and US dollar was evaluated and compared using EGARCH and quantile regression methods before (2018/6/19-2020/2/19) and after Covid-19 (2020/2/23-2021/10/12)....

2010
Helena Pinto Andrew Marshall

This paper analyzes the wealth and risk incentive effects of managerial options and shareholdings on the hedging probability of UK listed Alternative Investment Market (AIM) companies. We find that the wealth incentive effect provided by managerial option holdings increases the hedging likelihood. On the contrary, the wealth incentive effect provided by managerial shareholdings decreases the he...

Noise traders as one of the key elements of the market play a significant role in determining the market volatilities, returns, and stock market mispricing. Hence, this study attempts to scrutinize the role of noise trading in capital asset pricing. Therefore, by using daily data, samples including 14105 data of 200 companies listed on stock exchange were selected and noise trading index was es...

2003
Stefan Spinler Arnd Huchzermeier Paul Kleindorfer

We develop an analytical framework for the valuation of options contracts for physical delivery that enable risk-sharing between the trading partners. The spot market price risk, the buyer’s demand risk and the seller’s marginal cost risk, which are key to many industrial settings such as the chemical industry, are explicitly incorporated. Analytical expressions for the buyer’s optimal reservat...

2015
Yong He Xuan Zhao

The main purpose of this paper is to study the inventory, production, and contracting decisions of a multi-echelon supply chain with both demand and supply uncertainty. We find that the commonly used wholesale price contracts used by both up-stream and downstream supply-chain members cannot coordinate the system. We then propose a returns policy used by the manufacturer and the retailer, combin...

2003

Distantly maturing forward rates represent the markets long term (risk neutral) expectations about interest rates. As such, they are the fundamental ingredient of the pricing kernel. In most equilibrium models, interest rates mean revert, and long forward rates are asymptotically constant. However, from US Treasury STRIPs data, forward rates slope increasingly downwards, and do not attenuate in...

2015
Zhichao Zhang Wei Song Xin Sun Nan Shi

This paper empirically examines whether yield spreads of subordinated debt issued by UK banks are sensitive to bank risks, with a dataset that includes spreads, ratings, accounting measures of bank risks and market condition indexes in the sample period between 1997 and 2009. The results show that Moody’s and S&P traditional ratings have significant and negative impacts on spreads, and investor...

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