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I have a student who is trying to find time series physical capital stock from years more recent than are provided by the Penn World Table. Do you know if these data are available anywhere post-early 1990's? A search of the literature points to Nehru and Dhareshwar (1993) dataset, which can be found at


Most of these (or very similar measures) are included in World Development Indicators:

Gross fixed capital formation (Gross fixed capital formation (formerly gross domestic fixed investment) includes land improvements (fences, ditches, drains, and so on); plant, machinery, and equipment purchases; and the construction of roads, railways, and the like, including schools,...)

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