11,417 research outputs found

    The materiality of debt to Jews in England, 1194–1276

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    Acknowledgements of debt have long been used in the study of medieval Anglo-Jewish moneylending activities. Such studies have been primarily based upon a socio-economic approach. In contrast, this paper is based upon an analysis of the material, palaeographic, and linguistic features. It commences by charting the legislation which governed the production of acknowledgements, and the extent to which this was adhered to, before highlighting the aspects of the text which have previously been neglected but provide an important, additional, dimensions to the historiography

    Is Globalization Today Really Different than Globalization a Hunderd Years Ago?

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    This paper pursues the comparison of economic integration today and pre 1914 for trade as well as finance, primarily for the United States but also with reference to the wider world. We establish the outlines of international integration a century ago and analyze the institutional and informational impediments that prevented the late nineteenth century world from achieving the same degree of integration as today. We conclude that the world today is different: commercial and financial integration before World War I was more limited. Given that integration today is even more pervasive than a hundred years ago, it is surprising that trade tensions and financial instability have not been worse in recent years. In the conclusion we point to the institutional innovations that have taken place in the past century as an explanation. This in turn suggests the way forward for national governments and multilaterals.

    A photometric and astrometric investigation of the brown dwarfs in Blanco 1

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    We present the results of a photometric and astrometric study of the low mass stellar and substellar population of the young open cluster Blanco 1. We have exploited J band data, obtained recently with the Wide Field Camera (WFCAM) on the United Kingdom InfraRed Telescope (UKIRT), and 10 year old I and z band optical imaging from CFH12k and Canada France Hawaii Telescope (CFHT), to identify 44 candidate low mass stellar and substellar members, in an area of 2 sq. degrees, on the basis of their colours and proper motions. This sample includes five sources which are newly discovered. We also confirm the lowest mass candidate member of Blanco 1 unearthed so far (29MJup). We determine the cluster mass function to have a slope of alpha=+0.93, assuming it to have a power law form. This is high, but nearly consistent with previous studies of the cluster (to within the errors), and also that of its much better studied northern hemisphere analogue, the Pleiades.Comment: 8 Pages, 5 Figures, 2 Tables and 1 Appendix. Accepted for publication in MNRA

    Testing for Yield Persistency: Is It Skill or is It Luck?

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    This study uses corn yield data from McLean County, Illinois to test whether farmer skill influences yields. This analysis is conducted by performing persistency tests on unadjusted, soil productivity adjusted (PA), and productivity and input intensity adjusted (PIA) yields. Correlation analysis and winner/loser tables indicate that unadjusted, PA, and PIA yields exhibit persistency across time. PIA yields exhibiting persistency is consistent with farmer skill influencing yield. Hence, our results support the hypothesis that farmer skill influences yields.Crop Production/Industries,
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