calc_crf(wacc, econ_life) -> crf

Calculates the capital recovery factor given wacc (weighted average cost of capital) and econ_life, the economic lifetime of the investment.

get_e4st_dep(name) -> file

Returns the e4st dependency that has been registered via register_e4st_dep. Can also use datadep"<name>"

metric2short(x)

Convert x from metric tons to short tons.

See also: short2metric

register_e4st_dep(name, message, remote_path, args...; kwargs...)

See documentation for DataDeps.DataDep for more info, but the required fields are:

• name - the name of the metadata. Later, access using datadep"<name>" or get_e4st_dep
• message - the message to store in metadata. A description of where the data came from, the size, etc.
• remote_path - where to fetch the data from.

save_dep_metadata(file::String, message::String) -> metadata

Saves metadata for file to joinpath(dirname(file), "metadata.yml"), making it if needed.

save_metadata(file::String, description::String) -> metadata

Saves metadata for file to joinpath(dirname(file), "metadata.yml"), making it if needed.

short2metric(x)

Convert x from short tons to metric tons.

See also: metric2short

usd_cr(y1, y2; source=gdp, future=nothing) -> r

Computes a conversion rate from USD in y1 to USD in y2.

Optional keyword arguments:

• source - choose between gdp and cpi, defaults to gdp
• future - assumed future inflation rate. can be either:
  • nothing (default) - throw an error when a year outside of the range is given
  • rate - the assumed rate of inflation for years beyond the max year i.e. 0.02 for 2% inflation rate

Input Data Sources:

• gdp - Updated with 2021 data from bea.gov, Table 1.1.9.
• cpi - Updated with 2021 data from bls.gov