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| Grunfeld   | R Documentation   |
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Grunfeld's Investment Data
--------------------------

Description
~~~~~~~~~~~

A panel of 10 observations from 1935 to 1954

*total number of observations* : 200

*observation* : production units

*country* : United States

Usage
~~~~~

::

    data(Grunfeld)

Format
~~~~~~

A data frame containing :

firm
    observation

year
    date

inv
    gross Investment

value
    value of the firm

capital
    stock of plant and equipment

Source
~~~~~~

Online complements to Baltagi (2001).

`http://www.wiley.com/legacy/wileychi/baltagi/ <http://www.wiley.com/legacy/wileychi/baltagi/>`_.

References
~~~~~~~~~~

Baltagi, Badi H. (2001) *Econometric Analysis of Panel Data*, 2nd ed.,
John Wiley and Sons.

See Also
~~~~~~~~

For the complete Grunfeld data (11 firms), see ``Grunfeld``, in the
``AER`` package.
