Business strategists and economists sometimes use a consumer price index (CPI) in their decision models. In fact, some organizations perform a comparison across countries to inform the public of consumer pricing trends. A report entitled “Consumer Price Indices (CPIs) for OECD Countries” should prove helpful in answering this question. Access this report by using the search term “comparison across countries” at globaledge.msu.edu/ibrd (and check the box “Resource Desk only”). Once you reach the OECD webpage, click on “View Long Abstract” for the link for “Consumer Price Indices (CPI) for OECD Countries.” What is a CPI generally used to measure?