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Working Paper
Sourcing substitution and related price index biases
We define a class of bias problems that arise when purchasers shift their expenditures among sellers charging different prices for units of precisely defined and interchangeable product items that are nevertheless regarded as different for the purposes of price measurement. For business-to-business transactions, these shifts can cause sourcing substitution bias in the Producer Price Index (PPI) and the Import Price Index (MPI), as well as potentially in the proposed new true Input Price Index (IPI). Similarly, when consumers shift their expenditures for the same products temporally to take ...
Journal Article
Subsiding Headwinds from the Strong Dollar: Evidence from Producer Prices along the Supply Chain
The foreign exchange value of the U.S. dollar has stabilized, and producer prices are rising, especially at early stages of the supply chain.