Preface and acknowledgments -- Solidarity : theory and practice : an introduction / Arto Laitinen & Anne Birgitta Pessi -- Solidarity : unpacking the social brain / Siegwart Lindenberg -- Collective emotions as the "glue" of group solidarity / Mikko Salmela -- Empathy and our relations to others / Kristen Renwick Monroe -- Solidarity, moral recognition, and communality / Simon Derpmann -- From recognition to solidarity : universal respect, mutual support, and social unity / Arto Laitinen -- Solidarity and work : a reassessment / Nicholas H. Smith -- Solidarity in times of crisis : constitutional evolution and Europe / Hauke Brunkhorst -- National social models and helping others in the european union / Juho Saari & Anne Birgitta Pessi -- Solidarity and motivations to help others : the case of Finns / Arto Laitinen & Anne Birgitta Pessi -- Solidarity in a Nordic welfare state : the case of Finland / Heikki Hiilamo -- Distant suffering, volunteering, and solidarity / Bente Nicolaysen -- Index -- About the contributors.