计量软件介绍：

Gnu Regression, Econometrics and Time-series Library

Is a cross-platform software package for econometric analysis, written in the C programming language. It is is free, open-source software. You may redistribute it and/or modify it under the terms of the GNU General Public License (GPL) as published by the Free Software Foundation.

Features

• Easy intuitive interface (now in French, Italian, Spanish, Polish and German as well as English)

• A wide variety of least-squares and maximum-likelihood estimators, including systems estimators

• Single commands to launch things like augmented Dickey-Fuller test, Chow test for structural stability, Vector Autoregressions, ARMA estimation

• Output models as LaTeX files, in tabular or equation format

• Integrated scripting language: enter commands either via the gui or via script

• Command loop structure for Monte Carlo simulations and iterative estimation procedures

• GUI controller for fine-tuning Gnuplot graphs

• Link to GNU R for further data analysis

这一软件的确有它的很多优点，界面简单清晰，并配有详尽的官方Manual,非常容易入门。既然有朋友感兴趣,就把它放上来,供感兴趣的来练习练习.

Gretl的免费下载地址：

http://gretl.sourceforge.net/#dl

最重要、最核心的部分：

Wooldridge: Introductory Econometrics: A Modern Approach（3e）

全套Gretl数据集，这个就不能免费了，收点辛苦费，不好意思啦。

[此贴子已经被作者于2007-2-14 8:03:46编辑过]