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Autologe Blutspende vor elektiven chirurgischen Eingriffen ist heute transfusions-medizinischer Standard. Während nur 6% aller elektiv operierten orthopädischen Patienten nicht in der Lage sind, 3 Eigenblutkonserven zu spenden, sind 4 Konserven für 40% dieser Patienten aufgrund spendebedingter Anämisierung nicht erreichbar [1, 2]. Entsprechend unseren Ergebnissen liegen dem physiologische Probleme der Dynamik der hämatopoetischen Regeneration zugrunde, die nicht allein durch unselektierten Einsatz humanen rekombinaten Erythropoietins zu bewältigen sind.

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Job loss expectations were widespread amongst workers in East Germany following reunification with West Germany. Though experiencing a large negative employment shock, East German workers were nevertheless overpessimistic immediately after reunification with respect to their job loss risk. Over time, job loss expectations fell and converged to West German levels, which was driven by a stabilizing economic environment and by an adaptation of the interpretation of economic signals with workers learning to distinguish individual risk from firm-level risk. In fact, conditional on actual job loss risk, East German workers quickly caught up to West Germans regarding the share of correctly predicted job losses.