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Sozial-, Arbeits- und Organisationspsychologie

Marc Mertes, M.Sc. – Wiss. Mitarbeiter Foto von Marc Mertes, M.Sc.

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Short-term effects of authority concessions to terrorist hostage-takers: Stability and generalizability of the concession effect
Mertes, M., Mazei, J., Gemmecke, C., Hüffmeier, J. (accepted). Short-term effects of authority concessions to terrorist hostage-takers: Stability and generalizability of the concession effect. Negotiation and Conflict Management Research.
Should authorities concede to the demands of terrorist hostage-takers or not? Making this difficult decision requires accurate knowledge of the consequences of each alternative. Mertes et al. (2020) found evidence for the concession effect: Authority concessions to terrorist hostage-takers reduce casualties among the hostages and overall. However, this previous study investigated relatively old data on exclusively international terrorist hostage-takings. To illuminate the stability and generalizability of the concession effect, we analyzed recent archival data on domestic terrorist hostage-takings. We found that authority concessions increased the likelihood of a successfully completed hostage exchange and reduced the number of overall fatalities. Our findings suggest that the concession effect is a stable phenomenon that generalizes to domestic terrorist hostage-takings.

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Ausbildung und beruflicher Werdegang


seit 10/2015

Wissenschaftlicher Mitarbeiter
Lehrstuhl für Sozial-, Arbeits- und Organisationspsychologie (Prof. Joachim Hüffmeier)
TU Dortmund

10/2013 - 09/2015

M. Sc. Studium der Psychologie
Schwerpunkt: Personal- und Wirtschaftspsychologie
Westfälische Wilhelms-Universität Münster

10/2010 - 09/2013

B. Sc. Studium der Psychologie
Westfälische Wilhelms-Universität Münster

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Forschungsinteressen


  • Nichteinigungen in Verhandlungen
  • Konfliktbewältigung in Krisensituationen (Terrorismus)

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Publikationen



Zeitschriftenartikel (peer-reviewed)

  • Mertes, M., Mazei, J., Gemmecke, C., Hüffmeier, J. (accepted). Short-term effects of authority concessions to terrorist hostage-takers: Stability and generalizability of the concession effect. Negotiation and Conflict Management Research.
  • Mazei, J., Mertes, M., & Hüffmeier, J. (2020). Strategies aimed at reducing gender differences in negotiation are perceived by women as ineffective. Sex Roles, 83, 580-594. doi:10.1007/s11199-020-01130-4
  • Mertes, M., Mazei, J., & Hüffmeier, J. (2020). "We do not negotiate with terrorists!" But what if we did? Peace and Conflict: Journal of Peace Psychology, 26, 437–448. doi:10.1037/pac0000446

   

Preise


2021

  • 1st Place in the International Association for Conflict Management 3MT® Competition

2017

  • International Association for Conflict Management (IACM) DRRC Student Conference Travel Scholarship
  • International Association for Conflict Management (IACM) Best Student Paper Award

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