7 research outputs found

    THE REGIONAL ECONOMIC EFFECTS OF MILITARY BASE REALIGNMENTS AND CLOSURES IN GERMANY

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    We identify the causal effect of a reduction in military personnel on a number of socioeconomic indicators within the peripheries of military bases. The base realignments and closures in Germany are used as an exogenous source of variation that allows us to identify the effect of a demand shock on household income, output, unemployment, and tax revenue within a specified buffer zone around each base. The analysis covers 298 communities for the period 2003-2007. Consistent with evidence found elsewhere, we find that these base adjustments have only a marginal impact on the local community in which the bases are located.Armed forces, Base closure, Defense drawdown, Demand shock, Geographic information system, Regional adjustment,

    Characterization of the LIGO detectors during their sixth science run

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    In 2009-2010, the Laser Interferometer Gravitational-Wave Observatory (LIGO) operated together with international partners Virgo and GEO600 as a network to search for gravitational waves (GWs) of astrophysical origin. The sensitivity of these detectors was limited by a combination of noise sources inherent to the instrumental design and its environment, often localized in time or frequency, that couple into the GW readout. Here we review the performance of the LIGO instruments during this epoch, the work done to characterize the detectors and their data, and the effect that transient and continuous noise artefacts have on the sensitivity of LIGO to a variety of astrophysical sources

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