% Generated by roxygen2: do not edit by hand
% Please edit documentation in R/valuation.R
\name{gb_vpf}
\alias{gb_vpf}
\title{Value of Preventing a Fatality}
\usage{
gb_vpf(year = 2024, series = "central")
}
\arguments{
\item{year}{Integer scalar. The year in which the value is
expressed. Default \code{2024} (the most recent DfT-published
value).}

\item{series}{Character. \code{"central"} (default). Reserved for
future expansion (DfT cancer / aversion multipliers).}
}
\value{
Numeric scalar: the VPF in GBP at year \code{year} prices.
}
\description{
Returns the DfT TAG-published Value of Preventing a Fatality
(VPF) in real terms for a given year. The published 2024 value
is GBP 2.153 million; the historical 2018 value (DfT TAG) is
GBP 1.958 million. Years between bundled publication dates are
filled by an annual real uplift of approximately 2 percent
(proxy for real GDP per head growth).
}
\examples{
gb_vpf()
gb_vpf(2018)
}
\references{
Department for Transport. Transport Analysis
Guidance (TAG) data book.
}
\seealso{
\code{\link[=gb_wellby]{gb_wellby()}}, \code{\link[=gb_qaly]{gb_qaly()}}.

Other valuation: 
\code{\link{gb_qaly}()},
\code{\link{gb_wellby}()}
}
\concept{valuation}
