12,859 research outputs found

    The Core, Periphery, and Beyond: Stock Market Comovements among EU and Non-EU Countries

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    We thank conference participants at the 2016 Financial Management Association and our discussant Fernando Moreira, and two anonymous referees for immensely helpful comments. We also thank Andrew Patton and James P. LeSage for sharing their MATLAB codes for computing quantile dependence. The authors of this paper are responsible for any errors or omissions. The Securities and Exchange Commission, as a matter of policy, disclaims responsibility for any private publication or statement by any of its employees. The views expressed herein are those of the authors and do not necessarily reflect the views of the Commission or the authors\u27 colleagues on the staff of the Commission

    Validation of Proposed Go-Around Criteria Under Various Environmental Conditions

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    This paper evaluates the effects of environmental conditions on touchdown performance under varying approach states and validates proposed go-around criteria developed using data from a previously conducted study under these various environmental conditions. An experiment was conducted using Boeing 737-800 and Airbus A330-200 Level D full-flight simulators in which 24 pilots flew multiple approaches under different approach conditions and environmental variables. Pilots were instructed to always land the aircraft, even from conditions considered to be an unstable approach. Various touchdown performance metrics were analyzed. In addition, pilots perceptions of risk under the various unstable approach conditions and resulting landings were assessed. The results of the study revealed that wind speed/direction and visibility had a stronger effect on touchdown performance than the approach parameters. Specifically, wind had a highly significant effect on longitudinal and lateral touchdown point, as well as a significant effect on sink-rate at touchdown. Wind and visibility, along with localizer deviation, also had a strong effect on pilots perception of risk and workload ratings. Furthermore, the study confirmed that touchdown performance was similar among the runs with a 300-foot and 500-foot starting gate, as was found in the previously conducted experiment. These results support the previous finding that lowering the go-around decision gate to 300-foot might be acceptable, but suggest that certain environmental conditions might warrant altered thresholds of the proposed go-around criteria at this gate. Finally, the findings of this experiment highlight the importance of environmental factors in the assessment of risk of unwanted outcomes on approach and landing

    Bladder Cancer and Exposure to Ionizing Radiation

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    Fact sheet about the relationship between bladder cancer and exposure to ionizing radiation. This research was completed money allocated during Round 1 of the Citizens’ Monitoring and Technical Assessment Fund (MTA Fund). Clark University was named conservator of these works. If you have any questions or concerns please contact us at [email protected]://commons.clarku.edu/jsi/1000/thumbnail.jp

    Kidney Cancer and Exposure to Ionizing Radiation

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    Fact sheet about the relationship between kidney cancer and exposure to ionizing radiation. This research was completed money allocated during Round 1 of the Citizens’ Monitoring and Technical Assessment Fund (MTA Fund). Clark University was named conservator of these works. If you have any questions or concerns please contact us at [email protected]://commons.clarku.edu/jsi/1008/thumbnail.jp

    Hodgkin\u27s Disease and Exposure to Ionizing Radiation

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    Fact sheet about the relationship between Hodgkin\u27s Disease and exposure to ionizing radiation. This research was completed money allocated during Round 1 of the Citizens’ Monitoring and Technical Assessment Fund (MTA Fund). Clark University was named conservator of these works. If you have any questions or concerns please contact us at [email protected]://commons.clarku.edu/jsi/1007/thumbnail.jp

    Brain Cancer and Exposure to Ionizing Radiation

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    Fact sheet about the relationship between brain cancer and exposure to ionizing radiation. This research was completed money allocated during Round 1 of the Citizens’ Monitoring and Technical Assessment Fund (MTA Fund). Clark University was named conservator of these works. If you have any questions or concerns please contact us at [email protected]://commons.clarku.edu/jsi/1002/thumbnail.jp

    Pancreatic Cancer and Exposure to Ionizing Radiation

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    Fact sheet about the relationship between pancreatic cancer and exposure to ionizing radiation. This research was completed money allocated during Round 1 of the Citizens’ Monitoring and Technical Assessment Fund (MTA Fund). Clark University was named conservator of these works. If you have any questions or concerns please contact us at [email protected]://commons.clarku.edu/jsi/1016/thumbnail.jp

    Lung Cancer and Exposure to Ionizing Radiation

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    Fact sheet about the relationship between lung cancer and exposure to ionizing radiation. This research was completed money allocated during Round 1 of the Citizens’ Monitoring and Technical Assessment Fund (MTA Fund). Clark University was named conservator of these works. If you have any questions or concerns please contact us at [email protected]://commons.clarku.edu/jsi/1011/thumbnail.jp

    Introduction to Cancer and Workers Exposed to Ionizing Radiation A Review of the Research Literature

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    An overview of what readers and community members can expect to find in the fact sheets in this series and the report Cancer and Workers Exposed to Ionizing Radiation. It was compiled to serve as a resource for those who have worked in nuclear industries, in particular the Los Alamos National Laboratory (LANL), their families, and communities.https://commons.clarku.edu/jsi/1021/thumbnail.jp
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