Jansen, Dennis (contributor) - 2008
andnon-durable goods.In the models with durable goods, the COLI (Cost of Living Index) and the PPI(Producer Price Index …) identical to the CPI (Consumer Price Index) measured by theacquisitions approach are distinguished, and the COLI/PPI ratio plays … price index formonetary policy and that a policy of targeting core inflation constructed by putting moreweight on prices in …