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z9(West) German interest and inflation rate 1972Q2 - 1998Q4z[West German (until 1990) / German (afterwards) interest and
inflation rate 1972Q2 - 1998Q4
z::
    Number of Observations - 107

    Number of Variables - 2

    Variable name definitions::

        year      - 1972q2 - 1998q4
        quarter   - 1-4
        Dp        - Delta log gdp deflator
        R         - nominal long term interest rate
ZDpR   c                   C   s   t  S )a  
    Load the West German interest/inflation data and return a Dataset class.

    Returns
    -------
    Dataset
        See DATASET_PROPOSAL.txt for more information.

    Notes
    -----
    The interest_inflation Dataset instance does not contain endog and exog
    attributes.
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