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Partial Credibility, Information Selection and the Signalling Channel of Sterilized Interventions
( Silke Fabian Reeves ) 세종대학교 경제통합연구소 (구 세종대학교 국제경제연구소) 1998 Journal of Economic Integration Vol.13 No.1
The signalling channel suggests that central banks use sterilized interventions in the foreign exchange market to convey information about future monetary policy to the market. To date, this theory is not sufficiently supported by theoretical work that establishes the link between intervention signals and exchange rates. This paper develops a two country model of sterilized interventions. I argue that reputational effects cannot eliminate the credibility problem between central banks and the private sector and that agents will only partially use available information to form exchange rate expectations. Both partial credibility and non-rational expectations reduce the effectiveness of interventions. (JEL Classifications: E52, F31, F41)
SOME CURRENT ISSUES IN GALAXY FORMATION
Silk, Joseph The Korean Astronomical Society 2010 天文學論叢 Vol.25 No.3
The origin of the galaxies represents an important focus of current cosmological research, both observational and theoretical. Its resolution involves a comprehensive understanding of star formation and evolution, galaxy dynamics, supermassive black holes, and the cosmology of the very early universe. In this paper, I will review our current understanding of galaxy formation and review some of the challenges that lie ahead. Specific issues that I address include the galaxy luminosity function, feedback by supernovae and by AGN, and downsizing. I argue that current evidence favours two distinct modes of star formation in the early universe, in order to account for the origin of disk and massive spheroidal galaxies. However perhaps the most urgent need is for a robust theory of star formation.
PSEN1 p.Met233Val in a Complex Neurodegenerative Movement and Neuropsychiatric Disorder
Silke Appel-Cresswell,Ilaria Guella,Anna Lehman,Dean Foti,Matthew J. Farrer 대한파킨슨병및이상운동질환학회 2018 Journal Of Movement Disorders Vol.11 No.1
Mutations in presenilin 1 (PSEN1) are the most common cause of autosomal dominant Alzheimer’s disease. Here, we report a Canadian-Vietnamese family carrying a PSEN1 p.Met233Val mutation with an exceptionally early and severe presentation that includes a wide range of atypical symptoms, including prominent ataxia, Parkinsonism, spasticity, dystonia, action tremor, myoclonus, bulbar symptoms, seizures, hallucinations and behavioral changes. Whole-exome sequencing (WES) was performed on the affected proband after many assessments over several years proved diagnostically inconclusive. The results were analyzed using the AnnEx “Annotated Exomes” browser (http://annex.can.ubc.ca), a web-based platform that facilitates WES variant annotation and interpretation. High-throughput sequencing can be especially informative for complex neurological disorders, and WES warrants consideration as a first-line clinical test. Data analyses facilitated by web-based bioinformatics tools have great potential for novel insight, although confirmatory, diagnostically accredited Sanger sequencing is recommended prior to reporting.
Partial Credibility, Information Selection and the Signalling Channel of Sterilized Interventions
Reeves, Silke Fabian 세종대학교 국제경제연구소 1998 Journal of Economic Integration Vol.13 No.1
The signalling channel suggests that central banks use sterilized interventions in the foreign exchange market to convey information about future monetary policy to the market. To date, this theory is not sufficiently supported by theoretical work that establishes the link between intervention signals and exchange rates. This paper develops a two country model of sterilized interventions. I argue that raputational effects cannot eliminate the credibility problem between central banks and the private sector and that agents will only partially use available information to form exchange rate expectations. Both partial credibility and non-rational expectations reduce the effectiveness of intervention.(JEL Classification: E52, F31, F41)
Project Life INSUSHELL: Reducing the Carbon Footprint in Concrete Construction
Tomoscheit, Silke,Gries, Thomas,Horstmann, Michael,Hegger, Josef Sustainable Building Research Center 2011 International journal of sustainable building tech Vol.2 No.2
Within the Life INSU-SHELL project (Environmentally Friendly fa$\c{c}$ade Elements made of thermal insulated Textile Reinforced Concrete) RWTH Aachen University together with industrial partners developed and implemented an innovative and eco friendly modular system for sandwich fa$\c{c}$ades. The thin-walled, light-weight sandwich structure combines Textile Reinforced Concrete (TRC) and a PUR-rigid-foam-insulation. With the use of TRC a large quantity of concrete material and therefore $CO_2$-output can be avoided. The lower amount of concrete used in the new elements results in a reduction of $CO_2$-output of about 70% in comparison to a similar element of ferroconcrete. The lower weight saves energy and fuel. Moreover it reduces the pollutant emission in transport and application. The employment of the innovative elements at the new INNOTEX building (ITA: Institut fuer Textiltechnik of RWTH Aachen University) with a fa$\c{c}$ade size of about $590\;m^2$ saved large quantities of $CO_2$-output in comparison to conventional building techniques.