Software > TFPIP
Total Factor Productivity
Index (Computer) Program
This page describes
the computer program TFPIP Version
1.0 which was written by Tim Coelli.
This is a Total factor Productivity
Index Program which is used to calculate
Tornqvist and Fisher TFP index numbers.
The program can also calculate transitive
versions of these index numbers using
the EKS method.
The program is compiled
using a Lahey F77LEM/32 compiler for
an IBM compatible PC. It is a DOS
If you wish to obtain
a copy of the program you can download
the zip file TFPIP-xp1.zip
which contains all the necessary files.
If you obtain a copy
of the program you may wish to send
some brief email to me at firstname.lastname@example.org
so that I am able to advise you of
any bugs or new versions.
For a description
of index number methods and the presentation
of some worked examples using this
software please refer to our recently
released second edition of the book: An
Introduction to Efficiency and Productivity
If you have any technical
questions regarding the use of this
computer program you can contact me
by email at email@example.com.
Brief questions (involving less than
10 minutes of time) will be answered
as quickly as is possible. A consultancy
service is available for those who
have more lengthy enquiries. Consultancy
fees will be provided on request.
Prof. Tim Coelli