User profiles for Sjur Westgaard

sjur westgaard

Professor 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 …

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 …

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 …

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 …

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 …

[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 …

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 …

Realized volatility and the influence of market measures on predictability: Analysis of Nord Pool forward electricity data

E Haugom, S Westgaard, PB Solibakke, G Lien - Energy Economics, 2011 - Elsevier
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 …

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 …

A comparison of implied and realized volatility in the Nordic power forward market

…, E Haugom, P Molnár, M Opdal, S Westgaard - Energy Economics, 2015 - Elsevier
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 …