General Motors to close 4 truck and SUV factories

Seattle PI, 4 June 2008

……GM’s moves, which come after a series of restructuring measures since 2005, are a result of a huge shift in U. S. consumer preferences during the past two months for small cars and crossovers…

ceteris paribus condition for demand: price of a related good – a complementary good, gasoline

ceteris paribus condition for demand: tastes and preferences