143 research outputs found

    Corporate organisation and structural adjustment in Japan

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    A major feature of corporate organisation in Japan is the existence of keiretsu or financial corporate groupings, centring on financial, shareholding, and trading links among ‘main1 banks, general trading companies and manufacturing firms. This study examines the economics of this form of corporate organisation and its role in Japan’s structural adjustment since the early 1970s, previous analysis of which has focused on the role of government policy and assistance. The financial corporate grouping can be viewed as a kind of internal capital market which allows firms, and indirectly their managements, to pool their risks and obtain insulation from the external market for corporate control. The main bank is a principal risk-insuring agent and functions as a screening, monitoring and management-sanctioning mechanism in the internal capital market. The general trading company performs an important risk-insuring role in the grouping as a financial intermediary in interfirm transactions and as a parent firm to manufacturing firms. The practice of engaging in corporate share interlocks is seen as a set-up which allows firms to pool risks and obtain mutual protection from the takeover market. The internal capital market, by enabling firms to share risks and obtain mutual protection from external takeover agents, is thought of as facilitating the operation of the ‘lifetime1 employment system for managers and other skilled workers in large firms. This corporate organisation has played a major role in the process of corporate adjustment to changing competitiveness and in distributing the costs associated with the scrapping of capacity and other structural adjustment in Japan. The major banks have provided financial assistance to structurally depressed firms on a large scale and main-bank intervention in firms has been a major mechanism through which the reorganisation of corporate assets and management has been carried out in the face of rapidly changing competitive conditions. The general trading company has been a major corporate mechanism through which costs of adjustment have been borne. The disposal of shares held in related banks and business partners is identified as a major mechanism through which firms have been able to offset their losses. Shares have been disposed of on a large scale, with the explicit purpose of offsetting structural change-related losses, and these share disposals have taken place in the negotiated intercorporate context of the internal capital market.A significant part of the thesis is devoted to a case study of adjustment in the aluminium smelting industry, an industry which experienced a severe decline in international competitiveness in the 1970s and which has a group-dominated corporate organisation. The case study shows that, while there have been several important government assistance schemes, corporate organisation has played a major role in mediating adjustment in the industry, particularly in absorbing the costs of adjustment through internal cross-subsidisation mechanisms. The results of the study suggest that the importance of the role of the government, and M1T1 in particular, in bringing about structural adjustment in Japan has been overstated and that this apparent effectiveness in promoting adjustment has rested in large part on the capacity of the private sector to absorb the costs of adjustment

    Role of Hepatic Stellate Cells in the Early Phase of Liver Regeneration in Rat: Formation of Tight Adhesion to Parenchymal Cells

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    We investigated activation mechanisms of hepatic stellate cells (HSCs) that are known to play pivotal roles in the regeneration process after 70% partial hepatectomy (PHx). Parenchymal liver cells (PLCs) and non-parenchymal cells (NPLCs) were isolated and purified from the regenerating livers at 1, 3, 7, 14 days after PHx. Each liver cell fraction was stained by immunocytochemistry using an anti-desmin antibody as a marker for HSCs, anti-alpha-smooth muscle actin (alpha-SMA) as a marker for activated HSCs, and 5-bromo-2'-deoxyuridine (BrdU) for detection of proliferating cells. Tissue sections from regenerating livers were also analyzed by immunohistochemistry and compared with the results obtained for isolated cell fractions. One and 3 days after PHx, PLC-enriched fraction contained HSCs adhered to PLCs. The HSCs adhered to PLCs were double positive for BrdU and alpha-SMA, and formed clusters suggesting that these HSCs were activated. However, HSC-enriched fraction contained HSCs not adhered PLCs showed positive staining for anti-desmin antibody but negative for anti-alpha-SMA antibody. These results suggest that HSCs are activated by adhering to PLCs during the early phase of hepatic regeneration

    Cohort profile:rationale and methods of UK Biobank repeat imaging study eye measures to study dementia

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    Purpose: the retina provides biomarkers of neuronal and vascular health that offer promising insights into cognitive ageing, mild cognitive impairment and dementia. This article described the rationale and methodology of eye and vision assessments with the aim of supporting the study of dementia in the UK Biobank Repeat Imaging study.Participants: UK Biobank is a large-scale, multicentre, prospective cohort containing in-depth genetic, lifestyle, environmental and health information from half a million participants aged 40-69 enrolled in 2006-2010 across the UK. A subset (up to 60 000 participants) of the cohort will be invited to the UK Biobank Repeat Imaging Study to collect repeated brain, cardiac and abdominal MRI scans, whole-body dual-energy X-ray absorptiometry, carotid ultrasound, as well as retinal optical coherence tomography (OCT) and colour fundus photographs.Findings to date: UK Biobank has helped make significant advances in understanding risk factors for many common diseases, including for dementia and cognitive decline. Ophthalmic genetic and epidemiology studies have also benefited from the unparalleled combination of very large numbers of participants, deep phenotyping and longitudinal follow-up of the cohort, with comprehensive health data linkage to disease outcomes. In addition, we have used UK Biobank data to describe the relationship between retinal structures, cognitive function and brain MRI-derived phenotypes.Future plans: the collection of eye-related data (eg, OCT), as part of the UK Biobank Repeat Imaging study, will take place in 2022-2028. The depth and breadth and longitudinal nature of this dataset, coupled with its open-access policy, will create a major new resource for dementia diagnostic discovery and to better understand its association with comorbid diseases. In addition, the broad and diverse data available in this study will support research into ophthalmic diseases and various other health outcomes beyond dementia

    Physical activity and osteoarthritis:A consensus study to harmonise self-reporting methods of physical activity across international cohorts

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    Physical activity (PA) is increasingly recognised as an important factor within studies of osteoarthritis (OA). However, subjective methods used to assess PA are highly variable and have not been developed for use within studies of OA, which creates difficulties when comparing and interpreting PA data in OA research. The aim of this study was, therefore, to gain expert agreement on the appropriate methods to harmonise PA data among existing population cohorts to enable the investigation of the association of PA and OA. The definition of PA in an OA context and methods of harmonization were established via an international expert consensus meeting and modified Delphi exercise using a geographically diverse committee selected on the basis of individual expertise in physical activity, exercise medicine, and OA. Agreement was met for all aims of study: (1) The use of Metabolic Equivalent of Task (MET) minutes per week (MET-min/week) as a method for harmonising PA variables among cohorts; (2) The determination of methods for treating missing components of MET-min/week calculation; a value will be produced from comparable activities within a representative cohort; (3) Exclusion of the domain of occupation from total MET-min/week; (4) The need for a specific measure of joint loading of an activity in addition to intensity and time, in studies of diseases, such as OA. This study has developed a systematic method to classify and harmonise PA in existing OA cohorts. It also provides minimum requirements for future studies intending to include subjective PA measures

    Cohort profile: rationale and methods of UK Biobank repeat imaging study eye measures to study dementia

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    PURPOSE: The retina provides biomarkers of neuronal and vascular health that offer promising insights into cognitive ageing, mild cognitive impairment and dementia. This article described the rationale and methodology of eye and vision assessments with the aim of supporting the study of dementia in the UK Biobank Repeat Imaging study. PARTICIPANTS: UK Biobank is a large-scale, multicentre, prospective cohort containing in-depth genetic, lifestyle, environmental and health information from half a million participants aged 40-69 enrolled in 2006-2010 across the UK. A subset (up to 60 000 participants) of the cohort will be invited to the UK Biobank Repeat Imaging Study to collect repeated brain, cardiac and abdominal MRI scans, whole-body dual-energy X-ray absorptiometry, carotid ultrasound, as well as retinal optical coherence tomography (OCT) and colour fundus photographs. FINDINGS TO DATE: UK Biobank has helped make significant advances in understanding risk factors for many common diseases, including for dementia and cognitive decline. Ophthalmic genetic and epidemiology studies have also benefited from the unparalleled combination of very large numbers of participants, deep phenotyping and longitudinal follow-up of the cohort, with comprehensive health data linkage to disease outcomes. In addition, we have used UK Biobank data to describe the relationship between retinal structures, cognitive function and brain MRI-derived phenotypes. FUTURE PLANS: The collection of eye-related data (eg, OCT), as part of the UK Biobank Repeat Imaging study, will take place in 2022-2028. The depth and breadth and longitudinal nature of this dataset, coupled with its open-access policy, will create a major new resource for dementia diagnostic discovery and to better understand its association with comorbid diseases. In addition, the broad and diverse data available in this study will support research into ophthalmic diseases and various other health outcomes beyond dementia

    How do Healthcare Workers 'Do' Guidelines? Exploring How Policy Decisions Impacted UK Healthcare Workers During the First Phase of the COVID-19 Pandemic

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    We describe how COVID-19-related policy decisions and guidelines impacted healthcare workers (HCWs) during the UK’s first COVID-19 pandemic phase. Guidelines in healthcare aim to streamline processes, improve quality and manage risk. However, we argue that during this time the guidelines we studied often fell short of these goals in practice. We analysed 74 remote interviews with 14 UK HCWs over 6 months (February–August 2020). Reframing guidelines through Mol’s lens of ‘enactment’, we reveal embodied, relational and material impacts that some guidelines had for HCWs. Beyond guideline ‘adherence’, we show that enacting guidelines is an ongoing, complex process of negotiating and balancing multilevel tensions. Overall, guidelines: (1) were inconsistently communicated; (2) did not sufficiently accommodate contextual considerations; and (3) were at times in tension with HCWs’ values. Healthcare policymakers should produce more agile, acceptable guidelines that frontline HCWs can enact in ways which make sense and are effective in their contexts

    Introductory programming: a systematic literature review

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    As computing becomes a mainstream discipline embedded in the school curriculum and acts as an enabler for an increasing range of academic disciplines in higher education, the literature on introductory programming is growing. Although there have been several reviews that focus on specific aspects of introductory programming, there has been no broad overview of the literature exploring recent trends across the breadth of introductory programming. This paper is the report of an ITiCSE working group that conducted a systematic review in order to gain an overview of the introductory programming literature. Partitioning the literature into papers addressing the student, teaching, the curriculum, and assessment, we explore trends, highlight advances in knowledge over the past 15 years, and indicate possible directions for future research
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