Evert Van de Vliert

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Cross-national data sets were used to examine the association between ambient temperature and internal political violence in 136 countries between 1948 and 1977. Political riots and armed attacks occur more frequently in warm countries than in both cold and hot countries, after controlling for effects of population size and density and levels of(More)
This introduction essay proposes a challenging program for researchers eager to explore factors and process mechanisms contributing to the benefits and costs individuals and groups incur from pursuing innovative approaches. With respect to individual innovation, such moderating factors might be found in the characteristics of the innovative idea, the(More)
Several writers have claimed that temperature appears to influence violent behaviour. We consider two papers which studied this issue, but which arrived at different conclusions. Van de Vliert et al (1999) claim the highest rates of violence are associated with temperatures about 24°C; whereas Simister and Cooper (2005) consider violence to be more common(More)
Places of residence have multiple, yet largely unintegrated, cultural characteristics. Here I make a distinction between human environments that offer demanding winters or summers together with collective poverty (threatening ecologies), undemanding temperate climates irrespective of income per head (comforting ecologies), and demanding winters or summers(More)
In a 104-nation study we first demonstrate that cultural self-expression, individualism and democracy languish in poor countries with colder-than-temperate winters, but flourish in rich countries with such winters. Mild summers are kind to this syndrome of culturally embedded democracy in rich countries only. Using these climatoeconomic niches of culture,(More)
3 Electronic knowledge repository (EKR) is one of the most commonly deployed knowledge 4 management technologies, yet its success hinges upon employees' continued use and is further 5 complicated in today's multinational context. We integrate multiple theoretical linkages into a 6 research model, conceptualizing knowledge-seeking as an instrumental(More)