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  • 2005-2009  (27)
  • 2000-2004
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  • 2005  (27)
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  • 2005-2009  (27)
  • 2000-2004
  • 1955-1959
  • 1925-1929
  • 1910-1914
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Keywords
  • 1
    Unknown
    A guide to Monte Carlo simulations in statistical physics (2005)
    Cambridge, UK ; New York : Cambridge University Press
    Details
    Keywords: Monte Carlo method. ; Statistical physics.
    Pages: xv, 432 p.
    Edition: 2nd ed
    ISBN: 0-511-13098-8
    URL: http://www.netLibrary.com/urlapi.asp?action=summary&v=1&bookid=139749
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    E-Book (German National Licenses)
  • 2
    Electronic Resource
    Electronic Resource
    Competing for the Public Through the News Media (2005)
    350 Main Street , Malden , MA 02148 , USA , and PO Box 1354, 9600 Garsington Road , Oxford OX4 2XG , UK . : Blackwell Publishing, Inc.
    Journal of economics & management strategy 14 (2005), S. 0 
    Details
    ISSN: 1530-9134
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Notes: Interest groups seek to influence economic activity through public and private politics. Public politics takes place in the arena of public institutions, whereas private politics takes place outside public institutions often in the arena of public sentiment. Private politics refers to action by interest groups directed at private parties, as in the case of an activist group launching a campaign against a firm. This paper presents a model of informational competition between an activist and an industry, where both interest groups seek to influence public sentiment and do so by advocating their positions through the news media. Citizen consumers make both a private consumption decision and a collective choice on the regulation of a product that has an externality associated with it. In the absence of the news organization, the collective choice is not to regulate. The activist and the industry obtain private, hard information on the seriousness of the externality and provide favorable information to the news media and may conceal unfavorable information. The news media can conduct investigative journalism to obtain its own information, and based on that information and the information it has received from its sources, provides a news report to the public. Because of its role in society, the media has an incentive to bias its report, and the direction of bias is toward regulation. Its bias serves to mitigate both market failure by decreasing demand and a government failure by shifting votes in favor of regulation. The activist then has incentive to conceal information unfavorable to its interests, whereas the industry fully reveals its information.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1530-9134.2005.00044.x
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    D2 dopamine receptor activation of potassium channels is selectively decoupled by Gαi-specific GoLoco motif peptides (2005)
    Oxford, UK : Blackwell Science Ltd
    Journal of neurochemistry 92 (2005), S. 0 
    Details
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The GoLoco motif is a short polypeptide sequence found in G-protein signaling regulators such as regulator of G-protein signaling proteins type 12 and 14 and activator of G-protein signaling protein type 3. A unique property of the GoLoco motifs from these three proteins is their preferential interaction with guanosine diphosphate (GDP)-bound Gαi1, Gαi3 and, sometimes, Gαi2 subunits over Gαo subunits. This interaction prevents both spontaneous guanine nucleotide release and reassociation of Gαi-GDP with Gβγ. We utilized this property of the GoLoco motif to examine dopamine (D2 and D3) and somatostatin receptor coupling to G-protein-regulated inwardly rectifying potassium (GIRK) channels in mouse AtT20 cells. GoLoco motif peptides had no effect on either basal channel activity or the initial responses to agonists, suggesting that the GoLoco motif cannot disrupt pre-formed G-protein heterotrimers. GoLoco motif peptides did, however, interfere with human D2(short) receptor coupling to GIRK channels as demonstrated by the progressively diminished responses after repeated agonist application. This behavior is consistent with some form of compartmentalization of D2 receptors and GIRK channels such that Gβγ subunits, freed by local receptor activation and prevented from reforming a heterotrimeric complex, are not functionally constrained within the receptor–channel complex and thus are unable to exert a persistent activating effect. In contrast, GoLoco motif peptides had no effect on either D3 or somatostatin coupling to GIRK channels. Our results suggest that GoLoco motif-based peptides will be useful tools in examining the specificity of G-protein-coupled receptor–effector coupling.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-4159.2004.02997.x
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  • 4
    Electronic Resource
    Electronic Resource
    THE BLACK-SCHOLES EQUATION REVISITED: ASYMPTOTIC EXPANSIONS AND SINGULAR PERTURBATIONS (2005)
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Mathematical finance 15 (2005), S. 0 
    Details
    ISSN: 1467-9965
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Mathematics , Economics
    Notes: In this paper, novel singular perturbation techniques are applied to price European, American, and barrier options. Employment of these methods leads to a significant simplification of the problem in all cases, by reducing the number of parameters. For American options, the valuation problem is reduced to a procedure that may be performed on a rudimentary handheld calculator. The method also sheds light on the evolution of option prices for all of the cases considered, the results being particularly illuminating for American and barrier options.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.0960-1627.2005.00224.x
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  • 5
    Electronic Resource
    Electronic Resource
    A Conditional Assessment of the Relationships between the Major World Bond Markets (2005)
    Oxford, UK; Malden, USA : Blackwell Publishing Ltd/Inc.
    European financial management 11 (2005), S. 0 
    Details
    ISSN: 1468-036X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Notes: This paper uses a bivariate GARCH framework to examine the lead-lag relations and the conditional correlations between 10-year US government bond returns and their counterparts from the UK, Germany, and Japan. We find that while mean and volatility spillovers exist between the major international bond markets, they are much weaker than those between equity markets. The results also indicate that the correlations between the US and other major bond market returns are time varying and are driven by changing macroeconomic and market conditions. However, in contrast to the finding that the benefits of international diversification in equity markets evaporate during high-stress periods, we find that the benefits of diversification across major government bond markets do not decrease during periods of extremely high bond market volatility or following extremely negative US and foreign bond returns.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1354-7798.2005.00293.x
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  • 6
    Electronic Resource
    Electronic Resource
    Immunoglobulin M predominance in cutaneous lupus erythematosus (2005)
    Oxford, UK; Malden, USA : Munksgaard International Publishers
    Journal of cutaneous pathology 32 (2005), S. 0 
    Details
    ISSN: 1600-0560
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Background:  Direct immunofluorescence (DIF) is a valuable tool in the diagnosis of cutaneous lupus erythematosus (LE). Our goal was to characterize the most frequent immune reactants in the skin biopsies of cutaneous LE and identify the most common immunofluorescence staining patterns.Methods:  DIF results of immunoglobulin G (IgG), IgA, IgM, C3, and fibrinogen from 199 patients between 1989 and 1998 were retrospectively analyzed. Confirmatory clinical and serological diagnosis of LE subtype was available for 95 patients. Intensity of staining was ranked from 0 to 4+ but only included as significant if ≥2+. Laboratory values were gathered and analyzed for all patients who had distinct granular immune deposition for Ig and/or complement.Results:  The most commonly detected individual Ig was IgM in 149 (75%) specimens. IgM and C3 combination was the most common pair expressed with 98 (49%) specimens. The most common triplet was IgM, C3, and fibrinogen in 63 (32%) specimens. The most common quadruplet was the combination of IgG, IgM, C3, and fibrinogen in 42 (21%) specimens. All the five immunoreactants were detected in only 25 (13%) specimens. Systemic LE patients had a higher percent of abnormal laboratory values compared to discoid LE (DLE) and subacute LE (SCLE) patients (p = 0.02). Fibrinogen staining was found to be significantly higher in DLE patients and lowest in SCLE patients (p = 0.05).Conclusions:  This study demonstrates a marked predominance of IgM ± C3 in cutaneous LE. When used in conjunction with other data, DIF is an extremely powerful tool in the routine evaluation of the LE patient. Our report emphasizes the importance of IgM expression in the diagnosis of LE by DIF and how positive staining with multiple conjugates can raise its sensitivity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.0303-6987.2005.00337.x
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  • 7
    Electronic Resource
    Electronic Resource
    AN EXAMINATION OF OFFENSE SPECIALIZATION USING MARGINAL LOGIT MODELS (2005)
    Oxford, UK : Blackwell Publishing Ltd
    Criminology 43 (2005), S. 0 
    Details
    ISSN: 1745-9125
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Law
    Notes: Research on offense specialization has concluded that there is a great deal of versatility in offending. Although the preponderance of evidence supports versatility, some research points to a small but significant tendency to specialize. Beyond this observation there is little consensus over the degree of offense specialization, the similarities and differences between people who commit violent acts and those who engage in other criminal behavior, or the extent to which general causal processes are sufficient to explain variation in diverse forms of crime and delinquency. At the heart of the confusion is the fact that criminal behaviors across a wide spectrum are positively correlated with one another. In our opinion, the conclusion that general offending trumps offense specialization is the result of research designs that predetermined such a conclusion. We propose an alternative method, marginal logit modeling, that supports many desirable features suited to the investigation of offense specialization. We analyze nine self-reported delinquent behaviors (with a tenth category representing “No Offense”) from the Add Health study. We show that violent offenders are more likely to engage in additional violent offenses, nonviolent offenders are more likely to engage in additional nonviolent offenses. For some offense types, we find no evidence of a tendency to commit both violent and nonviolent offending. For others, the offense generalization effect is weak compared to the offense specialization effect.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1745-9125.2005.00030.x
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  • 8
    Electronic Resource
    Electronic Resource
    Seasonal shifts in dormancy status, carbohydrate metabolism, and related gene expression in crown buds of leafy spurge (2005)
    Oxford, UK : Blackwell Science Ltd
    Plant, cell & environment 28 (2005), S. 0 
    Details
    ISSN: 1365-3040
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Crown buds of field-grown leafy spurge (Euphorbia esula L.) were examined to determine relationships between carbohydrate metabolism and gene expression throughout para-, endo-, and eco-dormancy during the transition from summer, autumn, and winter, respectively. The data indicates that endo-dormancy plays a role in preventing new shoot growth during the transition from autumn to winter. Cold temperature was involved in breaking endo-dormancy, inducing flowering competence, and inhibiting shoot growth. An inverse relationship developed between starch and soluble sugar (mainly sucrose) content in buds during the shift from para- to endo-dormancy, which continued through eco-dormancy. Unlike starch content, soluble sugars were lowest in crown buds during para-dormancy but increased over two- to three-fold during the transition to endo-dormancy. Several genes (AGPase, HK, SPS, SuSy, and UGPase) coding for proteins involved in sugar metabolism were differentially regulated in conjunction with well-defined phases of dormancy in crown buds. Marker genes for S-phase progression, cell wall biochemistry, or responsive to auxin were also differentially regulated during transition from para-, endo-, and eco-dormancy. The results were used to develop a model showing potential signalling pathways involved in regulating seasonal dormancy status in leafy spurge crown buds.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3040.2005.01393.x
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  • 9
    Electronic Resource
    Electronic Resource
    Site-level evaluation of satellite-based global terrestrial gross primary production and net primary production monitoring (2005)
    Oxford, UK : Blackwell Science Ltd
    Global change biology 11 (2005), S. 0 
    Details
    ISSN: 1365-2486
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Energy, Environment Protection, Nuclear Power Engineering , Geography
    Notes: Operational monitoring of global terrestrial gross primary production (GPP) and net primary production (NPP) is now underway using imagery from the satellite-borne Moderate Resolution Imaging Spectroradiometer (MODIS) sensor. Evaluation of MODIS GPP and NPP products will require site-level studies across a range of biomes, with close attention to numerous scaling issues that must be addressed to link ground measurements to the satellite-based carbon flux estimates. Here, we report results of a study aimed at evaluating MODIS NPP/GPP products at six sites varying widely in climate, land use, and vegetation physiognomy. Comparisons were made for twenty-five 1 km2 cells at each site, with 8-day averages for GPP and an annual value for NPP. The validation data layers were made with a combination of ground measurements, relatively high resolution satellite data (Landsat Enhanced Thematic Mapper Plus at ∼30 m resolution), and process-based modeling. There was strong seasonality in the MODIS GPP at all sites, and mean NPP ranged from 80 g C m−2 yr−1 at an arctic tundra site to 550 g C m−2 yr−1 at a temperate deciduous forest site. There was not a consistent over- or underprediction of NPP across sites relative to the validation estimates. The closest agreements in NPP and GPP were at the temperate deciduous forest, arctic tundra, and boreal forest sites. There was moderate underestimation in the MODIS products at the agricultural field site, and strong overestimation at the desert grassland and at the dry coniferous forest sites. Analyses of specific inputs to the MODIS NPP/GPP algorithm – notably the fraction of photosynthetically active radiation absorbed by the vegetation canopy, the maximum light use efficiency (LUE), and the climate data – revealed the causes of the over- and underestimates. Suggestions for algorithm improvement include selectively altering values for maximum LUE (based on observations at eddy covariance flux towers) and parameters regulating autotrophic respiration.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2486.2005.00936.x
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  • 10
    Electronic Resource
    Electronic Resource
    An examination of the general decision making style questionnaire in two UK samples (2005)
    Bradford : Emerald
    Journal of managerial psychology 20 (2005), S. 137-149 
    Details
    ISSN: 0268-3946
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Psychology , Economics
    Notes: Purpose - To examine the psychometric properties and construct validity of the general decision making style (GDMS) questionnaire in two UK samples.Design/methodology/approach - The GDMS takes the form of a self-report questionnaire which identifies five decision making styles: rational, intuitive, dependent, avoidant, and spontaneous. It was administered to samples of business studies undergraduates in two UK business schools. Analyses included scale reliabilities, test-re-test reliability, and both exploratory and confirmatory factor analyses.Findings - The instrument's internal and temporal consistencies were generally sound. Consistent with earlier studies, analyses undertaken on the two samples independently were generally supportive of a five factor model of decision making style. No relationships with gender or year of study were observed.Research limitations/implications - Whilst generally supportive of the GDMS, results suggest that further validation work is required. This could include consideration of the relationships between the GDMS and other measures of cognitive/personality style.Practical implications - The managerial implications of the strengths of and relationships between the different decision making styles observed are discussed.Originality/value - The paper fulfils a stated requirement for further validation study of the GDMS instrument.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/02683940510579777
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