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| Computers   | R Documentation   |
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Prices of Personal Computers
----------------------------

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

a cross-section from 1993 to 1995

*number of observations* : 6259

*observation* : goods

*country* : United States

Usage
~~~~~

::

    data(Computers)

Format
~~~~~~

A dataframe containing :

price
    price in US dollars of 486 PCs

speed
    clock speed in MHz

hd
    size of hard drive in MB

ram
    size of Ram in in MB

screen
    size of screen in inches

cd
    is a CD-ROM present ?

multi
    is a multimedia kit (speakers, sound card) included ?

premium
    is the manufacturer was a "premium" firm (IBM, COMPAQ) ?

ads
    number of 486 price listings for each month

trend
    time trend indicating month starting from January of 1993 to
    November of 1995.

Source
~~~~~~

Stengos, T. and E. Zacharias (2005) “Intertemporal pricing and price
discrimination : a semiparametric hedonic analysis of the personal
computer market”, *Journal of Applied Econometrics*, **forthcoming**.

References
~~~~~~~~~~

Journal of Applied Econometrics data archive :
`http://jae.wiley.com/jae/ <http://jae.wiley.com/jae/>`_.

See Also
~~~~~~~~

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