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  • 1
    Publication Date: 2019-07-10
    Description: OBJECTIVES: This systematic review and meta-analysis combined published study-level data and unpublished individual-participant data with the aim of quantifying the relation between long working hours and the onset of depressive symptoms. METHODS: We searched PubMed and Embase for published prospective cohort studies and included available cohorts with unpublished individual-participant data. We used a random-effects meta-analysis to calculate summary estimates across studies.RESULTS: We identified ten published cohort studies and included unpublished individual-participant data from 18 studies. In the majority of cohorts, long working hours was defined as working ≥55 hours per week. In multivariable-adjusted meta-analyses of 189 729 participants from 35 countries [96 275 men, 93 454 women, follow-up ranging from 1–5 years, 21 747 new-onset cases), there was an overall association of 1.14 (95% confidence interval (CI) 1.03–1.25] between long working hours and the onset of depressive symptoms, with significant evidence of heterogeneity (I〈sup〉2〈/sup〉=45.1%, P=0.004). A moderate association between working hours and depressive symptoms was found in Asian countries (1.50, 95% CI 1.13–2.01), a weaker association in Europe (1.11, 95% CI 1.00–1.22), and no association in North America (0.97, 95% CI 0.70–1.34) or Australia (0.95, 95% CI 0.70–1.29). Differences by other characteristics were small. CONCLUSIONS: This observational evidence suggests a moderate association between long working hours and onset of depressive symptoms in Asia and a small association in Europe.〈/p〉
    Keywords: ddc:330 ; depression ; depressive symptom ; mental health ; meta-analysis ; overtime ; participant data ; psychological distress ; systematic review ; working hour ; working life ; working time
    Repository Name: EconStor: OA server of the German National Library of Economics - Leibniz Information Centre for Economics
    Language: English
    Type: doc-type:article
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  • 2
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    Marine Biological Laboratory Archives (Woods Hole, Mass.)
    In:  Viktor Hamburger collection, Box 2, Folder 46, Marine Biological Laboratory Archives
    Publication Date: 2019-01-28
    Description: Discussion of pre-medical program. Equipment repairs. Personnel changes.
    Description: Correspondence
    Keywords: People
    Repository Name: Woods Hole Open Access Server
    Language: English
    Type: Text
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  • 3
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    Arizona Board of Regents | Marine Biological Laboratory Archives
    In:  Viktor Hamburger Collection, Box 2, Folder 46, Marine Biological Laboratory Archives
    Publication Date: 2019-01-28
    Description: Typewritten
    Description: H. Burr Steinbach writing to Viktor Hamburger about Woods Hole, a pre-med program, a butterfly collection, Marion, squid, and some personal details
    Description: 1 page
    Description: Correspondance
    Keywords: People
    Repository Name: Woods Hole Open Access Server
    Language: English
    Type: Text
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    Format: application/pdf
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  • 4
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    Stuttgart: Universität Stuttgart, Betriebswirtschaftliches Institut, Abteilung I - Forschungs-, Entwicklungs- und Innovationsmanagement
    Publication Date: 2020-01-21
    Description: Location is a neglected factor within international scientific research in spite of its increasing importance in corporate practice. Selection of severely flawed or completely unsuitable sites can lead to partly or complete withdrawal from country markets, closure of subsidiaries and financial losses. Quality and efficiency of site selection are very important for internationalization success, but still surprisingly undistinguished in recent literature. Within this paper, requirements for site evaluation and selection are derived. A systematic site selection methodology capable of increasing effectiveness, decision quality and efficiency in service firms is developed. Porter's national diamond approach is combined with resource-based theory of the firm and dynamic capabilities reasoning to explain the usage of site selection criteria. Transaction costs theory and agency theoretical reasoning are used to account for specific requirements of site selection. Thus, a stepwise site selection methodology is derived from theory and is implemented, further developed and evaluated in two actions research-based case studies. Using publicly available data, explicit definition, weighting of indicators, systematic data mining and evaluation considerably increases decision transparency in site selection and reduces time expenditure. In both case studies, effectiveness and efficiency increased due to utilizing the proposed site selection methodology.
    Keywords: ddc:650 ; Foreign Direct Investment ; Globalisation ; International management ; Internationalization ; Market research ; Professional service firms
    Repository Name: EconStor: OA server of the German National Library of Economics - Leibniz Information Centre for Economics
    Language: English
    Type: doc-type:workingPaper
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  • 5
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    Stuttgart: Universität Stuttgart, Betriebswirtschaftliches Institut, Abteilung I - Forschungs-, Entwicklungs- und Innovationsmanagement
    Publication Date: 2020-01-21
    Description: Regelabweichungen sind das Ergebnis von Erwartungen über Mängel in bestimmten Regel-funktionen, die sich auf der Ebene des Regeldesigns, der Ebene organisationaler Routinen sowie im Zusammenhang mit Innovationen finden lassen. Die unternehmerischen Innovati-onsstrategien des Compliance oder Escape sind die Antworten auf die durch Regeln und Rou-tinen gesetzten innovationsbeeinflussenden Parameter.
    Description: Rule deviation is the result of expecting significant shortcomings in particular rule functions. These deficits can typically be found on the level of the rule design, on the level of organisa-tional routines, and on the level of innovative activities. Compliance and escape as distinct innovation strategies are the answers of rule-based alteration of parameters, relevant in the firm's decision making process.
    Keywords: ddc:650 ; Regeln ; Regelbruch ; Routinen ; Innovation
    Repository Name: EconStor: OA server of the German National Library of Economics - Leibniz Information Centre for Economics
    Language: German
    Type: doc-type:workingPaper
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  • 6
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    Stuttgart: Universität Stuttgart, Betriebswirtschaftliches Institut, Abteilung I - Forschungs-, Entwicklungs- und Innovationsmanagement
    Publication Date: 2020-01-21
    Description: The resource-based view is the dominant paradigm in strategic management. One of the unanswered questions is how innovations are addressed in the resource and competence based literature. In answering this question the conformance of the fundamental methodological principles of the resource-based reasoning with the defined explanation goals is challenged. Theoretical foundation based on transaction costs and property rights arguments can help to clarify a sufficient explanation of the emergence, occupation, and decay of sustainable competitive advantage. The necessity and the feasibility to integrate transaction costs and property rights aspects into the resource-based reasoning is to be proofed.
    Keywords: ddc:650 ; resource-based view ; property rights ; theory integration ; innovations ; strategic management
    Repository Name: EconStor: OA server of the German National Library of Economics - Leibniz Information Centre for Economics
    Language: English
    Type: doc-type:workingPaper
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  • 7
    Publication Date: 2018-01-25
    Description: Objective: To quantify the association between long working hours and alcohol use.Design: Systematic review and meta-analysis of published studies and unpublished individual participant data. Data sources: A systematic search of PubMed and Embase databases in April 2014 for published studies, supplemented with manual searches. Unpublished individual participant data were obtained from 27 additional studies. Review methods: The search strategy was designed to retrieve cross sectional and prospective studies of the association between long working hours and alcohol use. Summary: estimates were obtained with random effects meta-analysis. Sources of heterogeneity were examined with meta-regression. Results: Cross sectional analysis was based on 61 studies representing 333 693 participants from 14 countries. Prospective analysis was based on 20 studies representing 100 602 participants from nine countries. The pooled maximum adjusted odds ratio for the association between long working hours and alcohol use was 1.11 (95\% confidence interval 1.05 to 1.18) in the cross sectional analysis of published and unpublished data. Odds ratio of new onset risky alcohol use was 1.12 (1.04 to 1.20) in the analysis of prospective published and unpublished data. In the 18 studies with individual participant data it was possible to assess the European Union Working Time Directive, which recommends an upper limit of 48 hours a week. Odds ratios of new onset risky alcohol use for those working 49-54 hours and 〉=55 hours a week were 1.13 (1.02 to 1.26; adjusted difference in incidence 0.8 percentage points) and 1.12 (1.01 to 1.25; adjusted difference in incidence 0.7 percentage points), respectively, compared with working standard 35-40 hours (incidence of new onset risky alcohol use 6.2\%). There was no difference in these associations between men and women or by age or socioeconomic groups, geographical regions, sample type (population based v occupational cohort), prevalence of risky alcohol use in the cohort, or sample attrition rate.Conclusions Individuals whose working hours exceed standard recommendations are more likely to increase their alcohol use to levels that pose a health risk.
    Description: This is an Open Access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/.
    Keywords: ddc:330 ; Arbeitszeit ; Alkoholkonsum ; Statistische Methode
    Repository Name: EconStor: OA server of the German National Library of Economics - Leibniz Information Centre for Economics
    Language: English
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  • 8
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    Arizona Board of Regents | Marine Biological Laboratory Archives (Woods Hole, Mass.)
    In:  Viktor Hamburger collection, Box 2, Folder 60, Paul Weiss, Marine Biological Laboratory Archives
    Publication Date: 2019-01-28
    Description: Invitation to dinner.
    Description: Typewritten carbon copy of original letter.
    Description: 1-page letter
    Description: Correspondence
    Keywords: People
    Repository Name: Woods Hole Open Access Server
    Language: English
    Type: Text
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  • 9
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    Marine Biological Laboratory Archives (Woods Hole, Mass.)
    In:  Viktor Hamburger collection, Box 2, Folder 46, Marine Biological Laboratory Archives
    Publication Date: 2019-01-28
    Description: General updates
    Description: Correspondence
    Keywords: People
    Repository Name: Woods Hole Open Access Server
    Language: English
    Type: Text
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  • 10
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    Marine Biological Laboratory Archives (Woods Hole, Mass.)
    In:  Viktor Hamburger collection, Box 2, Folder 46, Marine Biological Laboratory Archives
    Publication Date: 2019-01-28
    Description: General updates
    Description: Correspondence
    Keywords: People
    Repository Name: Woods Hole Open Access Server
    Language: English
    Type: Text
    Format: image/tiff
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