User profiles for Sjur Westgaard
sjur westgaardProfessor Finance and Managerial Economics NTNU Verified email at iot.ntnu.no Cited by 1836 |
Forecasting volatility of the US oil market
…, H Langeland, P Molnár, S Westgaard - Journal of Banking & …, 2014 - Elsevier
We examine the information content of the CBOE Crude Oil Volatility Index (OVX) when
forecasting realized volatility in the WTI futures market. Additionally, we study whether other …
forecasting realized volatility in the WTI futures market. Additionally, we study whether other …
Default probabilities in a corporate bank portfolio: A logistic model approach
S Westgaard, N Van der Wijst - European journal of operational research, 2001 - Elsevier
Analysis and management of credit risk has taken on an increased importance in recent
years. New regulations force banks and other financial institutions to make a credible effort to …
years. New regulations force banks and other financial institutions to make a credible effort to …
Capital structure across industries
…, C Winge, S Frydenberg, S Westgaard - International Journal of …, 2008 - Taylor & Francis
The purpose of this article is to examine the capital structure across different industries for
companies quoted on a stock exchange and headquartered in the United States. The paper …
companies quoted on a stock exchange and headquartered in the United States. The paper …
Analysis and forecasting of electricity price risks with quantile factor models
…, A Andresen, D Chen, S Westgaard - The Energy …, 2016 - journals.sagepub.com
Forecasting quantile and value-at-risk levels for commodity prices is methodologically
challenging because of the distinctive stochastic properties of the price density functions, volatility …
challenging because of the distinctive stochastic properties of the price density functions, volatility …
Modeling the UK electricity price distributions using quantile regression
…, D Bunn, E Kristoffersen, TT Staver, S Westgaard - Energy, 2016 - Elsevier
In this paper we develop fundamental quantile regression models for the UK electricity price
in each trading period. Intraday properties of price risk, as represented by the predictive …
in each trading period. Intraday properties of price risk, as represented by the predictive …
[HTML][HTML] Explainable AI for credit assessment in banks
…, B Melsom, CB Vennerød, S Westgaard - Journal of Risk and …, 2022 - mdpi.com
Banks’ credit scoring models are required by financial authorities to be explainable. This paper
proposes an explainable artificial intelligence (XAI) model for predicting credit default on …
proposes an explainable artificial intelligence (XAI) model for predicting credit default on …
Prediction of extreme price occurrences in the German day-ahead electricity market
…, M Prokopczuk, A Sator, S Westgaard - Quantitative …, 2016 - Taylor & Francis
Understanding the mechanisms that drive extreme negative and positive prices in day-ahead
electricity prices is crucial for managing risk and market design. In this paper, we consider …
electricity prices is crucial for managing risk and market design. In this paper, we consider …
Realized volatility and the influence of market measures on predictability: Analysis of Nord Pool forward electricity data
This is the first paper to utilize intra-daily high-frequency data and to apply known market
measures for the prediction of volatility in the Nord Pool electricity forward market. The work is …
measures for the prediction of volatility in the Nord Pool electricity forward market. The work is …
Modeling electricity forward prices using the multivariate normal inverse Gaussian distribution
A Andresen, S Koekebakker, S Westgaard - 2010 - ntnuopen.ntnu.no
This paper presents a discrete random-field model for forward prices driven by the multivariate
normal inverse Gaussian distribution. The model captures the idiosyncratic risk and …
normal inverse Gaussian distribution. The model captures the idiosyncratic risk and …
A comparison of implied and realized volatility in the Nordic power forward market
In this paper we study implied and realized volatility for the Nordic power forward market.
We create an implied volatility index with a fixed time to maturity. This index is compared to a …
We create an implied volatility index with a fixed time to maturity. This index is compared to a …