(student) segregation as that emerging when families with identical ordinal preferences submit different rankings of schools in … a centralised school choice procedure. With the Boston Mechanism (BM), when higher types are less risk-averse, and there … is sufficient vertical differentiation of schools, any equilibrium presents cardinal segregation. Transportation costs …

production risk and may therefore reduce farmer demand for on-farm varietal diversity, especially when only a few transgenic …

explicitly takes into account both the coexistence costs at farm-level and the segregation and identity preservation costs at … long as segregation costs are low. Consumers of biodiesel and industrial products such as lubricants produced from GM … rapeseed benefit from high segregation costs. We show that the effects of farm-level coexistence costs largely differ from the …