000021619 001__ 21619
000021619 005__ 20170824070933.0
000021619 037__ $$a371-2016-19305
000021619 041__ $$aen
000021619 245__ $$aOPTIMAL REGULATION OF EUTROPHYING LAKES, FJORDS AND RIVERS IN THE PRESENCE OF THRESHOLD EFFECTS
000021619 260__ $$c1999
000021619 269__ $$a1999
000021619 270__ $$meric.naevdal@ios.nlh.no$$pNaevdal,   Eric
000021619 300__ $$a16
000021619 336__ $$aConference Paper/ Presentation
000021619 446__ $$aEnglish
000021619 490__ $$aSelected Paper
000021619 520__ $$aIn a large number of practical environmental regulation problems, the damage done by pollutants depends on stocks and/or flows of pollutants exceeding certain thresholds.  A typical example is eutrophication which occur when stocks of nutrients in a lake exceeds a certain threshold.  The present paper presents a model of eutrophication that accounts for such thresholds.  The paper does so by applying a novel technique in optimal control theory that allows for the analysis of systems where state-variables bounce back and forth over thresholds that take the form of functions of time and state-variables.
000021619 650__ $$aEnvironmental Economics and Policy
000021619 650__ $$aResource /Energy Economics and Policy
000021619 6531_ $$aEutrophication Thresholds
000021619 700__ $$aNaevdal, Eric
000021619 8564_ $$s131577$$uhttp://ageconsearch.umn.edu/record/21619/files/sp99na01.pdf
000021619 887__ $$ahttp://purl.umn.edu/21619
000021619 909CO $$ooai:ageconsearch.umn.edu:21619$$qGLOBAL_SET
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  Previous issue date: 1999
000021619 982__ $$gAmerican Agricultural Economics Association>1999 Annual meeting, August 8-11, Nashville, TN
000021619 980__ $$a371