piar

Most price indexes are made with a two-step procedure, where period-over-period elemental indexes are first calculated for a collection of elemental aggregates at each point in time, and then aggregated according to a price index aggregation structure. These indexes can then be chained together to form a time series that gives the evolution of prices with respect to a fixed base period. This package contains a collection of functions that revolve around this work flow, making it easy to build standard price indexes, and implement the methods described by Balk (2008, doi:10.1017/CBO9780511720758), von der Lippe (2007, doi:10.3726/978-3-653-01120-3), and the CPI manual (2020, doi:10.5089/9781484354841.069) for bilateral price indexes.

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