Package: greenbook Title: HM Treasury Green Book Cost-Benefit Analysis Primitives Version: 0.2.0 Authors@R: person("Charles", "Coverdale", , "charlesfcoverdale@gmail.com", role = c("aut", "cre")) Description: Implements cost-benefit analysis primitives from HM Treasury Green Book guidance (HM Treasury, 2026): the kinked Social Time Preference Rate (STPR) as revised in October 2026, with the earlier schedule retained for reproducibility, discount factors, net present value (NPV), equivalent annual cost, and real-terms rebasing using the GDP deflator. Designed for UK central government appraisal and evaluation. Bundled parameter tables carry vintage metadata for reproducibility. Depends: R (>= 4.1.0) License: MIT + file LICENSE Encoding: UTF-8 Language: en-US Imports: cli (>= 3.6.0), stats, utils Suggests: testthat (>= 3.0.0), knitr, rmarkdown, inflateR, openxlsx, officer, flextable Config/testthat/edition: 3 URL: https://github.com/charlescoverdale/greenbook BugReports: https://github.com/charlescoverdale/greenbook/issues VignetteBuilder: knitr Config/roxygen2/version: 8.1.0 NeedsCompilation: no Packaged: 2026-11-01 20:46:47 UTC; root Author: Charles Coverdale [aut, cre] Maintainer: Charles Coverdale Repository: https://cran.r-universe.dev Date/Publication: 2026-11-01 19:48:00 UTC RemoteUrl: https://github.com/cran/greenbook RemoteRef: HEAD RemoteSha: 6958111ee191449d839ef75ed67a7c28ad25717e