ABSTRACT

Despite the apparent importance and novelty of Tinbergen’s approach for practical HGDA;Q 9F9DQKAK&=QF=K ;@GK= LG >G;MK 9DEGKL =P;DMKAN=DQ GF L@= dJKL NGDME= G> /AF:=J?=FcK'=9?M=G>)9LAGFKKLM<A=KO@A;@<=9DLOAL@L@=9HHDA;9LAGFG>L@=EMDLAHD= ;GJJ=D9LAGFL=;@FAIM=LGL@==PHD9F9LAGFG>eM;LM9LAGFKAFLGL9DAFN=KLE=FLAFN=KLE=FLAF J=KA<=FLA9D :MAD<AF? 9F< F=O AFN=KLE=FL AF J9ADO9Q JGDDAF? KLG;C &=QF=Kc ;=FLJ9D ;GF;=JFAF@AKJ=NA=O9F<AF@AK;GJJ=KHGF<=F;=OAL@#9JJG<L@9LD=<LGALO9KOAL@L@= IM=KLAGFG>E=L@G<GDG?QA = bL@=DG?A;G>9HHDQAF?L@=E=L@G<G>EMDLAHD=;GJJ=D9LAGFLG MF9F9DQK=< =;GFGEA;E9L=JA9DO@A;@O=CFGO LG :=FGF @GEG?=F=GMK L@JGM?@ LAE=c 23$1 /GMF<=JKL9F<EGJ= >MDDQ L@=F9LMJ=G>&=QF=Kc logicalG:B=;LAGFK LG Tinbergen’s methodology we need to look at the latter in some detail.