Econometrica: Oct 1964, Volume 32, Issue 4
Fellows of the Econometric Society
https://doi.org/0012-9682(196410)32:4<725:FOTES>2.0.CO;2-#
p.
725-728
Log In To View Full Content
Make a donation for the advancement of economics:
Donate to the Fund for African Scholars Donate to the General Society Fundhttps://doi.org/0012-9682(196410)32:4<725:FOTES>2.0.CO;2-#
p.
725-728