A _____ is an integrated set of parts that function together for some end purpose or result

The consumer price index is subject to substitution bias because

a. some pairs of goods are complements rather than substitutes. b. some goods are inferior rather than normal. c. the law of demand applies to most, if not all, goods. d. the index does not take into account the likelihood that consumers substitute newly-introduced goods for more-established goods.

The proposal to place a tax on soda is intended to address what insight about human behavior?