Because there isn't one single measure of inflation, the government and researchers use a variety of methods to get the most balanced picture of how prices fluctuate in the economy. two of the most commonly used price indexes are the consumer price index (cpi) and the gdp deflator. the gdp deflator for this year is calculated by dividing the using by the using and multiplying by 100. however, the cpi reflects only the prices of all goods and services . indicate whether each scenario will affect the gdp deflator or the cpi for the united states. check all that apply. scenario shows up in gdp deflator cpi a decrease in the price of a chinese-made car that is popular among u. s. consumers an increase in the price of a waterman industries deep-water reel, which is a commercial fishing product used for deep-sea fishing, made in the u. s., but not bought by u. s. consumers