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http://bura.brunel.ac.uk/handle/2438/7491
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DC Field | Value | Language |
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dc.contributor.author | Erlwein, C | - |
dc.contributor.author | Mitra, G | - |
dc.contributor.author | Roman, D | - |
dc.date.accessioned | 2013-06-24T08:20:05Z | - |
dc.date.available | 2013-06-24T08:20:05Z | - |
dc.date.issued | 2012 | - |
dc.identifier.citation | Annals of Operations Research, 193(1): 173 - 192, Mar 2012 | en_US |
dc.identifier.issn | 0254-5330 | - |
dc.identifier.uri | http://link.springer.com/article/10.1007%2Fs10479-011-0865-8# | en |
dc.identifier.uri | http://bura.brunel.ac.uk/handle/2438/7491 | - |
dc.description | This is the post-print version of the article. The official published version can be accessed from the link below - Copyright @ 2012 Springer-Verlag. | en_US |
dc.description.abstract | The Geometric Brownian motion (GBM) is a standard method for modelling financial time series. An important criticism of this method is that the parameters of the GBM are assumed to be constants; due to this fact, important features of the time series, like extreme behaviour or volatility clustering cannot be captured. We propose an approach by which the parameters of the GBM are able to switch between regimes, more precisely they are governed by a hidden Markov chain. Thus, we model the financial time series via a hidden Markov model (HMM) with a GBM in each state. Using this approach, we generate scenarios for a financial portfolio optimisation problem in which the portfolio CVaR is minimised. Numerical results are presented. | en_US |
dc.description.sponsorship | This study was funded by NET ACE at OptiRisk Systems. | en_US |
dc.language.iso | en | en_US |
dc.publisher | Springer Verlag | en_US |
dc.subject | Scenario generation | en_US |
dc.subject | Hidden Markov model | en_US |
dc.subject | Geometric Brownian motion | en_US |
dc.subject | Asset allocation | en_US |
dc.subject | Optimal parameter estimation | en_US |
dc.title | HMM based scenario generation for an investment optimisation problem | en_US |
dc.type | Article | en_US |
dc.identifier.doi | http://dx.doi.org/10.1007/s10479-011-0865-8 | - |
pubs.organisational-data | /Brunel | - |
pubs.organisational-data | /Brunel/Brunel Active Staff | - |
pubs.organisational-data | /Brunel/Brunel Active Staff/School of Info. Systems, Comp & Maths | - |
pubs.organisational-data | /Brunel/Brunel Active Staff/School of Info. Systems, Comp & Maths/Maths | - |
pubs.organisational-data | /Brunel/University Research Centres and Groups | - |
pubs.organisational-data | /Brunel/University Research Centres and Groups/School of Information Systems, Computing and Mathematics - URCs and Groups | - |
pubs.organisational-data | /Brunel/University Research Centres and Groups/School of Information Systems, Computing and Mathematics - URCs and Groups/Centre for the Analysis of Risk and Optimisation Modelling Applications | - |
Appears in Collections: | Dept of Mathematics Research Papers Mathematical Sciences |
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Fulltext.pdf | 285.78 kB | Adobe PDF | View/Open |
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