Contents of Ecological Economics, Vol. 7 VOL. 7 NO. 1 FEBRUARY 1993 Methodological and Ideological Options Value standards in sub-sustainable development. On limits of ecological economics S. Bergstr6m (Stockholm, Sweden) Analysis Ecologically sustainable development and project appraisal in developing countries M.J.F. Van Pelt (Wageningen, Netherlands) Intertemporal valuation in an unpredictable environment F.R. Drepper (Jiilich, Germany) and B.A. M&nsson (Leipzig, Germany) Letter to the Editor Book Reviews VOL. 7 NO. 2 APRIL 1993 Methodological and Ideological Options Sustainable rural development in Latin America: building from the bottom-up M.A. Altieri (Albany, CA, USA and Santiago, Chile) and O. Masera (Berkeley, CA, USA) Analysis An exploration of alternative measures of natural resource scarcity: the case of petroleum resources in the U.S. C.J. Cleveland (Boston, MA, USA) Alternative nitrogen reduction policies in the Malar region, Sweden I.-M. Gren (Stockholm, Sweden) Book Reviews Call for Papers VOL. 7 NO. 3 Ecological Economics Sections Announcement from the Publisher Commentary Human economics: a non-human perspective W. Sterrer (Flatts, Bermuda) 266 Analysis Sustainable development: an institutional approach H. Opschoor (Amsterdam, Netherlands) and J. Van der Straaten (Tilburg, Nether- lands) 203 Effects of different descriptions of the ecological good on willingness to pay values R. Hoevenagel and J.W. Van der Linden (Amsterdam, Netherlands) .......... 223 Dynamic inconsistency in valuing environmental goods T.D. Crocker (Laramie, WY, USA) and J.F. Shogren (Ames, IA, USA) ........ Neen a esa a te