+----------+-------------------+
| Produc   | R Documentation   |
+----------+-------------------+

Us States Production
--------------------

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

a panel of 48 observations from 1970 to 1986

*number of observations* : 816

*observation* : regional

*country* : United States

Usage
~~~~~

::

    data(Produc)

Format
~~~~~~

A dataframe containing :

state
    the state

year
    the year

pcap
    private capital stock

hwy
    highway and streets

water
    water and sewer facilities

util
    other public buildings and structures

pc
    public capital

gsp
    gross state products

emp
    labor input measured by the employement in non–agricultural payrolls

unemp
    state unemployment rate

Source
~~~~~~

Munnel, A. (1990) “Why has productivity growth declined? Productivity
and public investment”, *New England Economic Review*, 3–22.

Baltagi, B. H. and N. Pinnoi (1995) “Public capital stock and state
productivity growth: further evidence”, *Empirical Economics*, **20**,
351–359.

References
~~~~~~~~~~

Baltagi, Badi H. (2003) *Econometric analysis of panel data*, John Wiley
and sons,
`http://www.wiley.com/legacy/wileychi/baltagi/ <http://www.wiley.com/legacy/wileychi/baltagi/>`_.

See Also
~~~~~~~~

``Index.Source``, ``Index.Economics``, ``Index.Econometrics``,
``Index.Observations``,

``Index.Time.Series``
