What drives change in a society's values? From Marx to modernization theory, scholars have identified a connection between structural transformation and social change. To understand how changes in a society's dominant mode of production affect its dominant values, we examine the case of the...

People are on the move in unprecedented numbers across the globe. How does migration affect local intergroup dynamics? In contrast to accounts that emphasize stereotypical features of groups as determinants of their treatment, we propose the social group reference dependence hypothesis: violence...

Limited attention and selective memory are important forms of cognitive bias. We investigate how present events trigger selective recall, thereby changing economic behavior. The 2010-14 sovereign debt crisis in Greece created massive political conflict between the German and Greek governments....

Between 1940 and 1970, more than 4 million African Americans moved from the South to the North of the United States, during the Second Great Migration. This same period witnessed the struggle and eventual success of the civil rights movement in ending institutionalized racial discrimination....

Between 1940 and 1970, more than 4 million African Americans moved from the South to the North of the United States, during the Second Great Migration. This same period witnessed the struggle and eventual success of the civil rights movement in ending institutionalized racial discrimination....

How do social group boundaries evolve? Does the appearance of a new out-group change the in-group's perceptions of other out-groups? We introduce a conceptual framework of context-dependent categorization, in which exposure to one minority leads to recategorization of other minorities when the...

How does the arrival of a new minority group affect the social acceptance and outcomes of existing minorities? We study this question in the context of the First Great Migration. Between 1915 and 1930, 1.5 million African Americans moved from the U.S. South to Northern urban centers, which were...