Movement along the demand curve _______________ Assumes that some factors (consumer tastes, price and availability of substitutes, and consumer income) have changed Assumes that one factor (consumer tastes, price and availability of substitutes, and consumer income) has changed Assumes that other factors (consumer tastes, price and availability of substitutes, and consumer income) have changed Assumes that other factors (consumer tastes, price and availability of substitutes, and consumer income) remain unchanged