Revision 3259407b1fa597becb11644b14cd21d3b1cc57a3 authored by Javier Barbero on 28 March 2022, 13:19:02 UTC, committed by GitHub on 28 March 2022, 13:19:02 UTC
1 parent 3e2df08
productivity.jl
# This file contains types and structures for productivity DEA model
"""
AbstractProductivityDEAlModel
An abstract type representing a productivity DEA model.
"""
abstract type AbstractProductivityDEAModel <: AbstractDEAModel end
"""
nperiods(model::AbstractProductivityDEAModel)
Return number of time periods of a productivity DEA model.
"""
nperiods(model::AbstractProductivityDEAModel) = model.periods
"""
prodchange(model::AbstractProductivityDEAModel)
Return productivity change of a productivity change DEA model.
"""
function prodchange(model::AbstractProductivityDEAModel, type::Symbol = :Prod)::Matrix
if type == :Prod
return model.Prod
end
if type == :EC
if isdefined(model, :EC)
return model.EC
end
end
if type == :TC
if isdefined(model, :TC)
return model.TC
end
end
throw(ArgumentError("$(typeof(model)) has no productivity change component $(type)"));
end
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