"""Economic Assumptions
This Space includes economic assumptions, such as discount rates
and inflation rates. This Space is parametrized with :attr:`ScenID`.
.. rubric:: Space Parameters
Attributes:
ScenID(:obj:`int`): Scenario ID
.. rubric:: References
Attributes:
AsmpLookup: Reference to :func:`fastlife.model.Projection.Assumptions.AsmpLookup`
Scenarios: `ExcelRange`_ object holding scenario data read from
the input file.
.. _ExcelRange:
https://docs.modelx.io/en/latest/reference/dataclient.html#excelrange
"""
from modelx.serialize.jsonvalues import *
_formula = lambda ScenID: None
_bases = []
_allow_none = None
_spaces = []
# ---------------------------------------------------------------------------
# Cells
[docs]def DiscRate(t):
"""Rates for discount cashflows"""
return Scenarios[ScenID, "IntRate", t]
[docs]def InflFactor(t):
"""Inflation factors to adjust expense cashflows"""
if t == 0:
return 1
else:
return InflFactor(t-1) / (1 + AsmpLookup("InflRate"))
[docs]def InvstRetRate(t):
"""Rate of investment return
Set equal to the :func:`DiscRate`
"""
return DiscRate(t)
# ---------------------------------------------------------------------------
# References
ScenID = 1
Scenarios = ("Pickle", 3020541690632)
AsmpLookup = ("Interface", ("..", "Projection", "Assumptions", "AsmpLookup"), "auto")