50 research outputs found

    A Proposal for Restructuring the Taxation of Wealth Transfers: Tax Reform Redux?

    Get PDF
    The Tax Reform Act of 1986 (TRA\u2786) provided for the most dramatic changes to the Internal Revenue Code since its inception over seventy years ago. The stated purposes of these reforms were to promote fairness, simplicity, and economic growth. The short-term success of these measures has yet to be ascertained. It is the position of this article that the long-term prospects for ultimate individual tax reform cannot be divorced from an eventual restructuring of the present federal wealth transfer taxation system, currently consisting of the estate, gift, and generation-skipping taxes. Genuine tax reform will remain unfinished business until such time as these transfers are fully interwoven into a reconstituted individual taxation system. It is time for an integrated system which interpolates the best elements of the newly passed income tax reforms while at the same time jettisoning the cumbersome, complicated and inefficient elements of the present wealth transfer taxes. This proposal is offered in the hope of changing the direction of future research and discussion away from the patchwork repairs of the past towards a new integrated system of taxation

    Income and transfer tax integration: Historic policy links for wealth transfer tax restructuring

    Get PDF
    The proposals listed herein are an outgrowth of recent study by this author and Ms. Sharon K. Brougham, M.T., C.P. A., who is a doctoral accounting student at the University of Colorado at Boulder. The scope of this article does not allow for full elaboration so only key highlights of the study are listed. The overall intent is to update prior discussions on estate-income tax unification and to foster further debate as to the efficacy of retaining the present dual-track system of taxation on individuals. It is not, however, intended to be the finite blueprint of tax reform. The full study is scheduled to be published in the Akron Tax Law Journal along with the A.B.A. Report

    Altimetry for the future: Building on 25 years of progress

    Get PDF
    In 2018 we celebrated 25 years of development of radar altimetry, and the progress achieved by this methodology in the fields of global and coastal oceanography, hydrology, geodesy and cryospheric sciences. Many symbolic major events have celebrated these developments, e.g., in Venice, Italy, the 15th (2006) and 20th (2012) years of progress and more recently, in 2018, in Ponta Delgada, Portugal, 25 Years of Progress in Radar Altimetry. On this latter occasion it was decided to collect contributions of scientists, engineers and managers involved in the worldwide altimetry community to depict the state of altimetry and propose recommendations for the altimetry of the future. This paper summarizes contributions and recommendations that were collected and provides guidance for future mission design, research activities, and sustainable operational radar altimetry data exploitation. Recommendations provided are fundamental for optimizing further scientific and operational advances of oceanographic observations by altimetry, including requirements for spatial and temporal resolution of altimetric measurements, their accuracy and continuity. There are also new challenges and new openings mentioned in the paper that are particularly crucial for observations at higher latitudes, for coastal oceanography, for cryospheric studies and for hydrology. The paper starts with a general introduction followed by a section on Earth System Science including Ocean Dynamics, Sea Level, the Coastal Ocean, Hydrology, the Cryosphere and Polar Oceans and the ‘‘Green” Ocean, extending the frontier from biogeochemistry to marine ecology. Applications are described in a subsequent section, which covers Operational Oceanography, Weather, Hurricane Wave and Wind Forecasting, Climate projection. Instruments’ development and satellite missions’ evolutions are described in a fourth section. A fifth section covers the key observations that altimeters provide and their potential complements, from other Earth observation measurements to in situ data. Section 6 identifies the data and methods and provides some accuracy and resolution requirements for the wet tropospheric correction, the orbit and other geodetic requirements, the Mean Sea Surface, Geoid and Mean Dynamic Topography, Calibration and Validation, data accuracy, data access and handling (including the DUACS system). Section 7 brings a transversal view on scales, integration, artificial intelligence, and capacity building (education and training). Section 8 reviews the programmatic issues followed by a conclusion

    Altimetry for the future: building on 25 years of progress

    Get PDF
    In 2018 we celebrated 25 years of development of radar altimetry, and the progress achieved by this methodology in the fields of global and coastal oceanography, hydrology, geodesy and cryospheric sciences. Many symbolic major events have celebrated these developments, e.g., in Venice, Italy, the 15th (2006) and 20th (2012) years of progress and more recently, in 2018, in Ponta Delgada, Portugal, 25 Years of Progress in Radar Altimetry. On this latter occasion it was decided to collect contributions of scientists, engineers and managers involved in the worldwide altimetry community to depict the state of altimetry and propose recommendations for the altimetry of the future. This paper summarizes contributions and recommendations that were collected and provides guidance for future mission design, research activities, and sustainable operational radar altimetry data exploitation. Recommendations provided are fundamental for optimizing further scientific and operational advances of oceanographic observations by altimetry, including requirements for spatial and temporal resolution of altimetric measurements, their accuracy and continuity. There are also new challenges and new openings mentioned in the paper that are particularly crucial for observations at higher latitudes, for coastal oceanography, for cryospheric studies and for hydrology. The paper starts with a general introduction followed by a section on Earth System Science including Ocean Dynamics, Sea Level, the Coastal Ocean, Hydrology, the Cryosphere and Polar Oceans and the “Green” Ocean, extending the frontier from biogeochemistry to marine ecology. Applications are described in a subsequent section, which covers Operational Oceanography, Weather, Hurricane Wave and Wind Forecasting, Climate projection. Instruments’ development and satellite missions’ evolutions are described in a fourth section. A fifth section covers the key observations that altimeters provide and their potential complements, from other Earth observation measurements to in situ data. Section 6 identifies the data and methods and provides some accuracy and resolution requirements for the wet tropospheric correction, the orbit and other geodetic requirements, the Mean Sea Surface, Geoid and Mean Dynamic Topography, Calibration and Validation, data accuracy, data access and handling (including the DUACS system). Section 7 brings a transversal view on scales, integration, artificial intelligence, and capacity building (education and training). Section 8 reviews the programmatic issues followed by a conclusion

    COVID-19 symptoms at hospital admission vary with age and sex: results from the ISARIC prospective multinational observational study

    Get PDF
    Background: The ISARIC prospective multinational observational study is the largest cohort of hospitalized patients with COVID-19. We present relationships of age, sex, and nationality to presenting symptoms. Methods: International, prospective observational study of 60 109 hospitalized symptomatic patients with laboratory-confirmed COVID-19 recruited from 43 countries between 30 January and 3 August 2020. Logistic regression was performed to evaluate relationships of age and sex to published COVID-19 case definitions and the most commonly reported symptoms. Results: ‘Typical’ symptoms of fever (69%), cough (68%) and shortness of breath (66%) were the most commonly reported. 92% of patients experienced at least one of these. Prevalence of typical symptoms was greatest in 30- to 60-year-olds (respectively 80, 79, 69%; at least one 95%). They were reported less frequently in children (≤ 18 years: 69, 48, 23; 85%), older adults (≥ 70 years: 61, 62, 65; 90%), and women (66, 66, 64; 90%; vs. men 71, 70, 67; 93%, each P < 0.001). The most common atypical presentations under 60 years of age were nausea and vomiting and abdominal pain, and over 60 years was confusion. Regression models showed significant differences in symptoms with sex, age and country. Interpretation: This international collaboration has allowed us to report reliable symptom data from the largest cohort of patients admitted to hospital with COVID-19. Adults over 60 and children admitted to hospital with COVID-19 are less likely to present with typical symptoms. Nausea and vomiting are common atypical presentations under 30 years. Confusion is a frequent atypical presentation of COVID-19 in adults over 60 years. Women are less likely to experience typical symptoms than men

    Measurement of CP asymmetries in D(s)+ηπ+ {D}_{(s)}^{+}\to \eta {\pi}^{+} and D(s)+ηπ+ {D}_{(s)}^{+}\to {\eta}^{\prime }{\pi}^{+} decays

    No full text
    Searches for CP violation in the decays D(s)+ηπ+ {D}_{(s)}^{+}\to \eta {\pi}^{+} and D(s)+ηπ+ {D}_{(s)}^{+}\to {\eta}^{\prime }{\pi}^{+} are performed using pp collision data corresponding to 6 fb1^{−1} of integrated luminosity collected by the LHCb experiment. The calibration channels D(s)+ϕπ+ {D}_{(s)}^{+}\to \phi {\pi}^{+} are used to remove production and detection asymmetries. The resulting CP-violating asymmetries areACP=(D+ηπ+)=(0.34±0.66±0.16±0.05)%,ACP=(Ds+ηπ+)=(0.32±0.51±0.12)%,ACP=(D+ηπ+)=(0.49±0.18±0.06±0.05)%,ACP=(Ds+ηπ+)=(0.01±0.12±0.08)%, {\displaystyle \begin{array}{l}{\mathcal{A}}^{CP}=\left({D}^{+}\to \eta {\pi}^{+}\right)=\left(0.34\pm 0.66\pm 0.16\pm 0.05\right)\%,\\ {}{\mathcal{A}}^{CP}=\left({D}_s^{+}\to \eta {\pi}^{+}\right)=\left(0.32\pm 0.51\pm 0.12\right)\%,\\ {}\begin{array}{l}{\mathcal{A}}^{CP}=\left({D}^{+}\to {\eta}^{\prime }{\pi}^{+}\right)=\left(0.49\pm 0.18\pm 0.06\pm 0.05\right)\%,\\ {}{\mathcal{A}}^{CP}=\left({D}_s^{+}\to {\eta}^{\prime }{\pi}^{+}\right)=\left(0.01\pm 0.12\pm 0.08\right)\%,\end{array}\end{array}} where the first uncertainty is statistical, the second is systematic and the third, relevant for the D+^{+} channels, is due to the uncertainty on ACP=(D+ϕπ+) {\mathcal{A}}^{CP}=\left({D}^{+}\to \phi {\pi}^{+}\right) . These measurements, currently the most precise for three of the four channels considered, are consistent with the absence of CP violation. A combination of these results with previous LHCb measurements is presented.[graphic not available: see fulltext]Searches for CPCP violation in the decays D(s)+ηπ+D^+_{(s)}\rightarrow \eta \pi^+ and D(s)+ηπ+D^+_{(s)}\rightarrow \eta^{\prime} \pi^+ are performed using pppp collision data corresponding to 6 fb1^{-1} of integrated luminosity collected by the LHCb experiment. The calibration channels D(s)+ϕπ+D^+_{(s)}\rightarrow \phi \pi^+ are used to remove production and detection asymmetries. The resulting CPCP-violating asymmetries are ACP(D+ηπ+)=(0.34±0.66±0.16±0.05)%A^{CP}(D^+ \rightarrow \eta \pi^+) = (0.34 \pm 0.66 \pm 0.16 \pm 0.05)\%, ACP(Ds+ηπ+)=(0.32±0.51±0.12)%A^{CP}(D^+_s \rightarrow \eta \pi^+) = (0.32 \pm 0.51 \pm 0.12)\%, ACP(D+ηπ+)=(0.49±0.18±0.06±0.05)%A^{CP}(D^+ \rightarrow \eta^{\prime} \pi^+) = (0.49 \pm 0.18 \pm 0.06 \pm 0.05)\%, ACP(Ds+ηπ+)=(0.01±0.12±0.08)%A^{CP}(D^+_s \rightarrow \eta^{\prime} \pi^+) = (0.01 \pm 0.12 \pm 0.08)\%, where the first uncertainty is statistical, the second is systematic and the third, relevant for the D+D^+ channels, is due to the uncertainty on ACP(D+ϕπ+)A^{CP}(D^+ \to \phi \pi^+). These measurements, currently the most precise for three of the four channels considered, are consistent with the absence of CPCP violation. A combination of these results with previous LHCb measurements is presented

    Evidence of a J/ψΛJ/\psi\Lambda structure and observation of excited Ξ\Xi^- states in the ΞbJ/ψΛK\Xi^-_b \to J/\psi\Lambda K^- decay

    No full text
    First evidence of a structure in the J/ψΛJ/\psi{\Lambda} invariant mass distribution is obtained from an amplitude analysis of ΞbJ/ψΛK\Xi_b^-{\rightarrow}J/\psi{\Lambda}K^- decays. The observed structure is consistent with being due to a charmonium pentaquark with strangeness with a significance of 3.1σ3.1\sigma including systematic uncertainties and look-elsewhere effect. Its mass and width are determined to be 4458.8±2.91.1+4.74458.8\pm2.9^{+4.7}_{-1.1} MeV and 17.3±6.55.7+8.017.3\pm6.5^{+8.0}_{-5.7} MeV, respectively, where the quoted uncertainties are statistical and systematic. The structure is also consistent with being due to two resonances. In addition, the narrow excited Ξ\Xi^- states, Ξ(1690)\Xi(1690)^- and Ξ(1820)\Xi(1820)^-, are seen for the first time in a Ξb\Xi^-_b decay, and their masses and widths are measured with improved precision. The analysis is performed using pppp collision data corresponding to a total integrated luminosity of 9 fb1^{-1}, collected with the LHCb experiment at centre-of-mass energies of 7, 8 and 13 TeV
    corecore