Showing 1 - 10 of 41
We develop a coherent framework for the valuation of real assets and determination of the optimal time to invest. To this end, we model the stochastic nature of income and develop methodologies for valuing traded derivatives to facilitate model calibration. A valuation paradigm for...
Persistent link: https://www.econbiz.de/10012902837
Crude oil derivatives form an important part of the global derivatives market. In this paper, we focus on Asian options which are favoured by risk managers being effective and cost-saving hedging instruments. The paper has both empirical and theoretical contributions: we conduct an empirical...
Persistent link: https://www.econbiz.de/10012903104
This paper studies the impact of modelling time-varying variances of stock returns in terms of risk measurement and extreme risk spillover. Using a general class of regime-dependent models, we find that volatility can be disaggregated into distinct components: a persistent stable process with...
Persistent link: https://www.econbiz.de/10012893236
This paper investigates the dynamics of stock price volatility for different vessel-type segments of the U.S, water transportation industry. We measure market exposure by a portfolio of tanker, dry bulk, container, and gas stocks to examine tail behavior and tail risk dependence. The role of...
Persistent link: https://www.econbiz.de/10012893239
Stock return predictability by investor sentiment has been subject to constant updating, but reaching a decisive conclusion seems rather challenging as academic research relies heavily on US data. We provide fresh evidence on stock return predictability in an international setting and show that...
Persistent link: https://www.econbiz.de/10013005275
We consider a seasonal mean-reverting model for energy commodity prices with jumps and Heston-type stochastic volatility, as well as three nested models for comparison. By exploiting the affine form of the log-spot models, we develop a general valuation framework for futures and discrete...
Persistent link: https://www.econbiz.de/10012904822
This paper discusses an extension of the traditional lognormal representation for the risk neutral spot freight rate dynamics to a diffusion model overlaid with jumps of random magnitude and arrival. Then, we develop a valuation framework for options on the average spot freight rate, which are...
Persistent link: https://www.econbiz.de/10013038384
A secure energy supply is important for all countries. This is especially true for EU countries for geopolitical reasons and because of ongoing reforms in energy markets. This study aims to understand how the energy security of EU countries has evolved by applying three energy security...
Persistent link: https://www.econbiz.de/10012984470
Open market buybacks are not firm commitments and there is limited evidence on whether firms repurchase the intended shares. We employ a comprehensive set of hand-collected data on information disclosure on open market share buyback announcements and the respective buyback trades in UK. We...
Persistent link: https://www.econbiz.de/10012905702
Despite the growing importance of operational risk, little is known about the impact of operational losses on the stock prices of energy firms. We fill this void by examining the market reaction of energy firms to a unique international sample of 452 operational loss events announced between...
Persistent link: https://www.econbiz.de/10014354227