Fabio- You may profit from visiting the page of an old prof. of mine at Oregon, http://harbaugh.uoregon.edu/index.htm , specifically, his "Nanoeconomics? Pedianomics? The Economic Behavior of Children Homepage", http://nanoeconomics.org/ .
I'm not sure what help it will be, but it's the best I can do. Best regards, jsh __________________________________________________ Do you Yahoo!? Yahoo! Mail Plus - Powerful. Affordable. Sign up now. http://mailplus.yahoo.com
