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  • 1.
    Abadir, Karim and Larsson, Rolf
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science. STATISTICS.
    The joint moment generating function of quadratic forms in multivariate autoregressive series- The case with deterministic components2001In: Econometric theory, Vol. 17, 222-246 p.Article in journal (Refereed)
  • 2.
    Abrahamsson, Per Anders
    et al.
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science. Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science.
    Adami, Hans Olov
    Taube, Adam
    Kim, KyungMann
    Zelen, Marvin
    Kulldorff, Martin
    Re: Long-term survival and mortality in prostate cancer treated with noncurative intent1995In: UROLGY, Vol. 154, 460-465 p.Article in journal (Refereed)
  • 3.
    Abramsson-Zetterberg, Lilianne
    et al.
    National Food Administration, Uppsala.
    Durling, Louise J.K.
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Yang-Wallentin, Fan
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Information Science.
    Rytter, Elisabet
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Public Health and Caring Sciences.
    Vessby, Bengt
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Public Health and Caring Sciences.
    The impact of folate status and folic acid supplementation on the micronucleus frequency in human erythrocytes2006In: Mutation Research, ISSN 1383-5742, E-ISSN 1388-2139, Vol. 603, no 1, 33-40 p.Article in journal (Refereed)
    Abstract [en]

    Folic acid has a well-documented stabilising effect on chromosomes. A correlation between folate status and chromosome stability in humans has been reported in studies that were restricted to certain subpopulations, e.g., folate-deficient persons. The goal of the present investigation was to clarify if there also is a correlation between folate status and chromosome stability among individuals without any folate deficiency.

    The method used here is the recently developed flow cytometry-based micronucleus assay in human transferrin-positive reticulocytes (MN-Trf-Ret). In a blood sample, separation of the very young reticulocytes from the mature erythrocytes makes this micronucleus assay possible.

    This investigation comprises three studies (cross-sectional, giving baseline data), two of which are connected to an intervention study. In the three cross-sectional studies (total number of subjects, 99) the frequency of MN-Trf-Ret (fMN-Trf-Ret) was measured and compared with the serum folate status. In two of the studies also serum homocysteine and Vitamin B12 were measured and compared with the baseline fMN-Trf-Ret. Combining the results from the three cross-sectional studies, a negative correlation between folate status and fMN-Trf-Ret was obtained (p < 0.05).

    The goal of the intervention studies was to clarify if different nutritional supplementations had any effect on the fMN-Trf-Ret and the cell proliferation (percentage polychromatic erythrocytes, PCE). Each of the two studies involved two groups, one placebo and one supplemented group. In one of the studies the supplementation was folic acid, 1000 μg/day during 1 week (n = 30, both sexes); in the other intervention study, folic acid (800 μg/day), B12 (20 μg/day) and B6 (4 mg/day) were taken during 1 week (n = 29, both sexes). No significant difference in %PCE or fMN-Trf-Ret between the two groups was found in either of the two intervention studies.

  • 4.
    Achcar, JA
    et al.
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science.
    Agrawal, MC
    Anand, KN
    Ali, MM
    Ali, MM
    Bagui, SC
    Baker, RD
    Balamurali, S
    Balasooriya, U
    Bansal, AK
    Barry, J
    Bonett, DG
    Box, G
    Carling, K
    Caudill, SB
    Chakraborti, S
    Chatfield, C
    Chatterjee, S
    Cornell, JA
    Cox, D
    Draper, NR
    Ehrenberg, A
    Finney, DJ
    25 years of applied statistics1998In: JOURNAL OF APPLIED STATISTICS, ISSN 0266-4763, Vol. 25, no 1, 3-22 p.Article in journal (Refereed)
  • 5. Adami, Hans-Olov
    et al.
    Bergström, Reinhold
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science.
    Weiderpass, Elisabete
    Persson, Ingemar
    Barlow, Lotti
    McLaughlin, Joseph K.
    Risk for endometrial cancer following breast cancer: A prospective study in Sweden1997In: Cancer Causes & Control, Vol. 8, 821-827 p.Article in journal (Refereed)
  • 6. Adami, H-O
    et al.
    Bergström, R
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science.
    Engholm, G
    Nyrén, O
    Wolk, A
    Ekbom, A
    Englund, A
    Baron, J
    A prospective study of smoking and risk of prostate cancer1996In: Int J Cancer, Vol. 67, 764-768 p.Article in journal (Refereed)
  • 7.
    Adami, J
    et al.
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science.
    Nyren, O
    Bergstrom, R
    Ekbom, A
    McLaughlin, JK
    Hogman, C
    Fraumeni, JF
    Glimelius, B
    Blood transfusion and non-Hodgkin lymphoma: Lack of association1997In: ANNALS OF INTERNAL MEDICINE, ISSN 0003-4819, Vol. 127, no 5, 365-& p.Article in journal (Refereed)
  • 8.
    Ageberg, Erik
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Information Science, Media and Communication.
    Att göra det digitala till det normala: En studie av svenska skivbolags samarbete med iTunes MusicStore och Spotify på den digitala musikförsäljningsarenan2008Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Purpose/Aim: The purpose of this thesis is to define and analyse how Swedish record companies work with digital musical content distributors. A more narrow aim is to show how the record companies and with the digital musical content distributors iTunes Music Store and Spotify create incentives for consumer’s to use legal digital music channels through the Internet. To further circle the core of the problem following questions have been asked: How does the record companies provide iTunes Music Store and Spotify with digital content and what is done by the record companies to retain control over the material? How do the record companies view digital musical sales and what incentives are given to consumers to buy music digitally? Finally, What position of power do iTunes Music Store and Spotify have on the digital content arena?

    Material/Method: The data collected for this thesis is retrieved through personal interviews with representatives from three of the four major record companies Universal Music, Warner Music and EMI and their Swedish branches.

    Main results: The consumer’s access to digital content through iTunes Music Store and Spotify is of the utmost importance and is a prerequisite. Even if the record companies choose to not demand DRM protection on their products it does not stop Apple from keeping their Fairplay protection. In this way Apple is the company controlling the files, even if the Record Companies have made their decision based on research, which has shown that sales go down if the music files are DRM protected. The record companies have chosen not to get involved with the sales of digital content. This results in power being shifted to E-tailers such as iTunes Music Store and Spotify. The incentives the consumers are given to buy music digitally are found in the surplus value, which is supported by iTunes Music Store and Spotify. These surplus values are such services as recommendations of music or artists. Different packaging solutions, such as subscriptions through an Internet provider, do not raise the value of the music. The value is added to the Internet provider’s products and not the music, but they do guarantee a steady income for the record companies.

  • 9.
    Ageberg, Erik
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Information Science.
    Into tomorrow1: Constructing scenarios for the record industry in the 21-century2009Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Titel: Into tomorrow – Constructing scenarios for the record industry in the 21-century.Number of Pages: 54 (55 including enclosures)Author: Erik G AgebergTutor: Else NygrenCourse: Media and Communication Studies DPeriod: Spring semester 2009University: Division of Media and Communication studies, Department ofinformation science, Uppsala University.Purpose/Aim: The aim of this paper is to, through scenario planning methodology,present recommendations in order for record companies to be competitive in the nearfuture. In order to achieve this goal three question where asked. (1) What are the mostcentral problems of the record industry? (2) How can these problems affect the futurein the industry? (3) In what way can record companies’ work to avoid theseproblems? The paper focuses on the Swedish market partly because of the giventimeframe but also because of Sweden’s position in that of file sharing as well astechnological advances. It is also assumed in this paper that the future of music saleswill be concentrated to the Internet.Material/Method: The chosen method for this paper was scenario planning. Anextensive literature study was complemented with interviews of key players involvedin content consumption over the Internet.Main results: A fundamental issue for the future of the music industry is that oflegislation. The outcome of the record industry’s future is almost exclusivelydependent on the way, which the legislation takes. A stricter legislation, whichincludes violations of citizens’ personal integrity, may backfire and result in politicalpirate parties’ becoming members of parliaments. This may in turn result in that theintellectual property laws of the nineteenth century are removed. Suing privatepersons and trackers can result in record companies alienating an entire generation ofmusic consumers. Record companies attempts to retain music as a product may proveto be futile within time, but they can absolutely prolong the period in which it is aproduct. It is nevertheless, not entirely negative for music to become a service. Bybeing a service music can more easily be attached to another service, like an Internetsubscription, or an experience.

  • 10. Aki, K.
    et al.
    Christoffersson, A.
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science. Statistik.
    Husebye, E. S.
    Determination of the Three-Dimensional Seismic Structure of the Lithosphere1977In: Journal of Geophysical ResearchArticle in journal (Refereed)
  • 11. Aki, K.
    et al.
    Christoffersson, A.
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science. Statistik.
    Husebye, E. S.
    Preliminary Results on the Three-Dimensional Seismic Structure of the Lithosphere under the USGS Central California Seismic Array1976In: Geophys. J. R. Astr. Soc.Article in journal (Refereed)
  • 12. Aki, K.
    et al.
    Christoffersson, A.
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science. Statistik.
    Husebye, E. S.
    Three-Dimensional Seismic Structure of the Lithosphere under Montana LASA1976In: Bulletin of the Seismological Society of AmericaArticle in journal (Refereed)
  • 13.
    Alaya, Cheikh Faouzi
    et al.
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science.
    Cramariuc, Bogdan
    Reynaud, Carole
    Quinghong, Meng
    Dragos-Adrian, Badea
    Hnich, Brahim
    Gabbouj, Moncef
    Kerminen, Petteri
    Makinen, Timo
    MUVIS: A System for Content-Based Indexing and Retrieval in Large Image1999In: Proceedings of the Conference on Storage and Retrieval for Image and Video Databases VII, SPIE PRESS, USA , 1999, Vol. 3656, no VII, 98-106 p.Conference paper (Refereed)
    Abstract [en]

    Until recently, collections of digital images were stored in classical databases and indexed by keywords entered by a human operator. This is not longer practical, due to the growing size of these collections. Moreover, the keywords associated with an ima

  • 14.
    Allander, Erik
    et al.
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science.
    Bring, Johan
    Gudmundsson, Ludvig
    Mattson, Stefan
    Olafsson, Olafur
    Rigner, Karl-Gustav
    Sigurgeirsson, Bardur
    Taube, Adam
    What is the long term value of multiphasic screening and the initial judgement of benefit?1997In: Scandinavian Journal of Social Medicine, Vol. Suppl 51, 1-20 p.Article in journal (Refereed)
  • 15.
    Allard, Alexander
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science.
    Färg och IT II: En selektiv bibliografi över rapporter inom färgvetenskap och dess tillämpning2000Report (Other scientific)
  • 16.
    Allard, Alexander
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science.
    Färg och IT III: Fysiska och tekniska färgbeskrivningssystem2000Report (Other scientific)
  • 17.
    Allard, Alexander
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science.
    Färg och IT IV: Fysiologiska och psykofysiologiska färgbeskrivningssystem2000Report (Other scientific)
  • 18.
    Allard, Alexander
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science.
    Färg och IT V: Psykologiska och generella färgbeskrivningssystem2000Report (Other scientific)
  • 19.
    Allard, Alexander
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science.
    Färg och IT VI: Introduktion till färgperception2000Report (Other scientific)
  • 20.
    Allard, Alexander R.
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science.
    Färg och IT 1 : en kronologisk och alfabetisk bibliografi över böcker i färgvetenskap1998Report (Other scientific)
  • 21.
    Allard, Alexander R.
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science.
    Färg och IT IX: Introduktion till färganvändning i MDI-gränssnitt2001Report (Other scientific)
  • 22.
    Allard, Alexander R.
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science.
    Färg och IT VII: En översikt över färgartifakter som kan förorsaka besvär i MDI-gränssnitt2001Report (Other scientific)
  • 23.
    Allard, Alexander R.
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science.
    Färg och IT VIII: En granskning av rekommendationer om färganvändning i MDI-gränssnitt2001Report (Other scientific)
  • 24.
    Alström, B.
    et al.
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science.
    Enlund, N
    Hedman, L
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science.
    Hvitfelt, H.
    En föränderlig medievärld - teknik, ekonomi och journalistik2001Book (Refereed)
  • 25. Alström, Börje
    et al.
    Gulliksson, Mikael
    Hedman, Lowe
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science.
    De exklusiva magasinen. Tidskriftsförlagens och läsarnas syn på papperskvalitet2006Report (Other scientific)
  • 26. Alström, Börje
    et al.
    Gulliksson, Mikael
    Hedman, Lowe
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science.
    Magasin i tryck på nätet2006Report (Other scientific)
  • 27. Alström, Börje
    et al.
    Gulliksson, Mikael
    Hedman, Lowe
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science. Medier och kommunikation.
    Medietrender och papperskvalitet: En forskningsöversikt rörande högkvalitativa tidskrifter, annonsmarknader och publiker2004Report (Other scientific)
  • 28.
    Alström, Börje
    et al.
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Information Science.
    Hedman, Lowe
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Information Science.
    Dagens medieföretag - morgondagens affärsidé2002Report (Other academic)
  • 29. Alström, Börje
    et al.
    Hedman, Lowe
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science.
    Ett medieföretags förutsättningar2004Report (Other scientific)
  • 30.
    Alström, Börje
    et al.
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science.
    Hedman, Lowe
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science.
    Hot och möjligheter i morgondagens medievärld2002Report (Other scientific)
  • 31.
    Alström, Börje
    et al.
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science.
    Hedman, Lowe
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science.
    Landsortstidningens framtida affärsidé2002In: Dagens medieföretag - morgondagens affärsidé, Mitthögskolan, Sundsvall , 2002, 139-146 p.Chapter in book (Other scientific)
  • 32. Alström, Börje
    et al.
    Hedman, Lowe
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science.
    Medieföretag utan strategier2005In: På väg mot medievärlden. Journalistik, teknik, marknad (3:e omarbetade upplagan), Studentlitteratur. Lund. , 2005, 115-135 p.Chapter in book (Refereed)
  • 33.
    Alström, Börje
    et al.
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science.
    Hedman, Lowe
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science.
    News Companies in the Future. Five Swedish media companies contemplate the threats and opportunities of the future. Paper to be presented to the Cost A20 Conference in Pamplona, 27-28 June 2003.2003Conference paper (Refereed)
  • 34. Alström, Börje
    et al.
    Hedman, Lowe
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science.
    Reklamen i dagspressen2004Report (Other scientific)
  • 35.
    Alvén, Annica
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Information Science, Media and Communication.
    Idrottsmän och idrottskvinnor: Slaktar rekord och får folkets kärlek på kvällstidningarnas sportsidor2008Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Purpose/Aim: The aim of this thesis was to study the construction of gender and to compare Media’s portrayal of male and female athletes.

    Material/Method: 140 articles covering seven famous Swedish male and female athletes were selected from two Swedish newspapers (Aftonbladet and Expressen). The articles has been analysed within the frames of Norman Faircloughs Critical Discourse Analysis.

    Main results: Male athletes are often described in powerful ways and are framed as being strong and successful. Skills and strengths of women athletes are often devalued in comparison to standards of hegemonic masculinity and self-control. They are often framed as women and girlfriends in advantage of the fact that they are athletes.

  • 36.
    Alvén, Annica
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Information Science, Media and Communication.
    Polisens förtroendekris: en skandal att det blev offentligt, inte att det hade hänt?2009Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Purpose/Aim: The aim of this thesis was to study Sydsvenskans coverage of the police crisis in Skåne 2009.

    Material/Method: The study is based on 26 articles which has been analysed within the frames of Norman Faircloughs Critical Discourse Analysis.

  • 37.
    Anders Lindfors, Roland Roberts, Anders Christoffersson and Gunnar Anderlind
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science.
    Model based frequency domain estimation of the thermal properties of building insulation1995In: J. Thermal Insul. and bldg. envs., Vol. 18, no 1, 31- p.Article in journal (Refereed)
  • 38.
    Andersson, Johanna
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science.
    Manpower Facility Services - På rätt spår?: En undersökning om organisationens formella interna kommunikation2005Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    ABSTRACT

    Purpose/Aim: The main purpose of this study is to investigate how the formal internal communication in Manpower Facility Services works, with focus on the formal information channels. Another, but not central purpose is to make suggestions on how the organisation can improve the internal communcation, if the study shows that improvements should be neccessary.

    Material/Method: The investigation is based on qualitative interwievs among employees in Manpower Facility Services. I have interwieved one informant och seven employees (four local managers, tvo contract workers and one district manager). Documents and books have also been used. To analyze the results I have used Gerbners theory of communication and several theories concerning internal communication.

    Main results: I have found some communication problems which can be summarized in six establishments:

    1. The values, goals and visions of the organzation are not understood or of any interest to all employees.

    2. Some of the informations channels (the intranet and the e-mail) are not accessible to all employees.

    3. Some of the information channels are not available to some of the employees, although they have accessibility.

    4. The employees do not know how much they are allowed to say when meeting the customer.

    5. Some information given in the local managers meetings are considered irrelevant.

    6. Some information should be updated more often.

  • 39.
    Andersson, Jonas
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science. Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science.
    An improvement of the GPH estimator1999Report (Other scientific)
  • 40.
    Andersson, Jonas
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science.
    An improvement of the GPH estimator2002In: Economics Letters, Vol. 77, 137-146 p.Article in journal (Refereed)
  • 41.
    Andersson, Jonas
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science.
    Essays on financial time series models: Stochastic volatility and long memory1999Doctoral thesis, comprehensive summary (Other academic)
    Abstract [en]

    This work consists of five articles about the statistical aspects of financial time series models. The first three papers investigate and develop the inverse normal Gaussian stochastic volatility (NIGSV) model, initially suggested by Barndorff- Nielsen (1997). In the first paper, Barndorff-Nilsen's model is generalized in order to be able to produce a more flexible lag structure. The moments of the squared process, important properties of volatility models, are derived. The topic of the second paper is the performance of the maximum likelihood estimator of the NIGSV model. In the third paper a comparison of the NIGSV model with two other commonly used volatility models is made.

    The long memory property is the topic of the last two papers. In the fourth paper two improvements of the commonly used GPH-estimator of Geweke and Porter-Hudak (1983) are proposed and studied by means of a Monte Carlo study. In the fifth paper the problem of distinguishing between short term and long term memory in volatilityis investigated.

  • 42.
    Andersson, Jonas
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science.
    Maximum likelihood estimation of the normal inverse Gaussian stochastic volatility model1999Report (Other scientific)
  • 43.
    Andersson, Jonas
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science.
    Modeling and forecasting with the normal inverse Gaussian stochastic volatility model1999Report (Other scientific)
  • 44.
    Andersson, Jonas
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science.
    On the normal inverse Gaussian stochastic volatility model2001In: Journal of Business & Economic Statistics, Vol. 19, no 1, 44-54 p.Article in journal (Refereed)
  • 45.
    Andersson, Jonas
    et al.
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science.
    Carling, Kenneth
    Mattson, Stefan
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science.
    Att rangordna med säkerhet: Ny statistisk metod visar vägen2000In: Läkartidningen, Vol. 97, no 3, 185-186 p.Article in journal (Refereed)
  • 46.
    Andersson, Jonas
    et al.
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Information Science.
    Carling, Kenneth
    Mattson, Stefan
    Random ranking of hospitals is unsound1998In: CHANCE: New Directions for Statistics and Computing, ISSN 0933-2480, Vol. 11, no 3, 34-39 p.Article in journal (Refereed)
  • 47.
    Andersson, Jonas
    et al.
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science, Statistics.
    Christoffersson, Anders
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science, Statistics.
    Exploratory analysis of intradaily stock returns: a semi Markov chain approach2004Report (Other academic)
    Abstract [en]

    In this paper, we study the intradaily distributional and temporal properties of the IBM stock in the time period November 1990 until February 1991. We do this by exploratory analysis by means of semi Markov chains, i. e. a Markov chain where time between events is considered random. Furthermore, the behaviour of the methods is studied under some commonly used models.

  • 48.
    Andersson, Jonas
    et al.
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Information Science, Statistics.
    Lyhagen, Johan
    A long memory panel unit root test: PPP revisited1999Report (Other academic)
  • 49.
    Andersson, Jonas
    et al.
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science.
    Lyhagen, Johan,
    A note on the power of the GPH test for cointegration1997Report (Other scientific)
  • 50.
    Andersson, Jonas
    et al.
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science.
    Lyhagen, Johan
    Tests of the AR(2) unit roots and cointegration with the GPH statistic2000Report (Other scientific)
1234567 1 - 50 of 1058
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