«i«l%'M(rl«t^«t. 



^^•4 



«=tl^'i( ^ HWl ^'flMi (3M^^ ctMW im aHl- 

 MH-fl «t<H'41 si'l'll, MC-tlCflC-li Wl'ctlMi»tl il^tl il-J^ll 

 ani^l (i^%l anir/ ilM»ii M^liiC-t ^^ S cil 'iK-d- 



sRhi iiil-fl ^dlrll -iWWlotl <V>fl'l rtK-ftSiflHi 



'll«{laH:(l,ti ajiii^ cii^rt^ j^c([ »ii^ -uii^i «lic-it- 

 ^CHl 6cll. ct^Hl q«isvl 'HeilR ^Hl ^tH^StHKl 



ellSl^l a»lS MR ci^^i vJliXl Mi^ 'tl«il5l^'l( 

 35UM^ di M ^[ai ^^ ^HIdH'4 a^il avtH ^. 



■»Hiwi sli^i ( <v -"ii^ a^ MlHi^t y^i^i d ) ^i 



£i3 iWi rtlil^ H^l^ M^S i^ ^, ^7\ i§ § 

 1 "cllil^l ft^l siai ail 6, R^l @rtMl M'da 

 €l| <v^«{l ^^tcfl ovtjjlcfl 'iMl, aHd^(v ri(^ H^l 

 Sl^l Pl^ll i^dl^ aniSl diyKl Vi7\ Sil^i anrfl- 



cii/ft 5i3 i^ijj g > «ji^ >(l^i^;i q4M(«i»ti ^VH 



MRn« ^q^H»l( ^S Mfei^i «13 «tcti, %t^S- 



«>^^m[ ism ^il d. (i^ sn^ ^iHi^ m^ aHM^ 



^ll'd 811H S. SRplHH an MH'i^fl ct»llM »vtcn( 

 iJliKl Ml-H anPl "Sl^tfl «l'»HiaHi u\tj\\ (rnn g, 



"Idrlf iiill 5:icli an?^ is^ sAc-d ^"^ §. quft 

 Si'tl 35lll ^i»ti ^lHl«(l S^Hl ctRHl «lui iillHl 

 MK^ 8llil -^Rl*^ aH«^ «tlH ^ •»i^, Mi^i ci AS^<[ 

 (^IH §. 'il«{l%^4i 3iCi[ ^^i^^li ( endogenous ) 

 ^r-tl'-fl ci-il 'ni^l^'Hl Slui Qil^ll^ ^ ^ >HRl M=l- 



QllSll^l iW Mm rii^lH HvT ^li^ -i'-a. Mm "im- 

 H^ir ( exogenous ) ojili anhl, <nmfa a>ii(irti 

 IWn (Hl^ii wi(i;R §lcii»(l nSlw "»HRl MHK'ft 

 ansi'-nct Htifl 'tSl^ SHWi «11M S. SHS t>{l2i) ^^(X 



Mm «<(^fl "tojcti 5,i;i ,sim <^cQ 5. ^ 5^ ^^ ci-^^i 

 ^mi tfe'iiaHl ^m ani ^=l^8lHMi m(«IM an^ 



'c!^m-'**f^^ ^^'i ym i^ ^. ciPl mRisii^ "h^. 



^Mtni, MlM«tl, anhl an^ '^I'H^l aniR «Hl1tn*Hi 



an^ @Tt^->i^ cl^5e ^<^«(l ^IH ^. an^i s(%^ 

 mC^M d^ij d^l W Mm ^C-tW ^ qHi^i JtilHi 



<HP'i<v sH^m ani^ S. * Mm 'tK-OSi^'ti ajawi 

 ^ii-«Hi5ii ^fi ^iqi^l c-dQ, ^M»i' d'li oi>\ nM ctioft 

 «lilH aJlcil CHatilaHi «lhi MK §iqi;i sfl^i ait<ti 3ji:^i 

 iiR a>i^ d^t ^^d ail ct^5t M%iRlH«ll (^IH §. 

 ani @M^«a Mm ^"HrI ^Pd^ anq^liH j^^i^;i 

 <vm''^'H''H^'^, 'llsOSi^jl'ii 3Jlll%l^!; fidi^iMW 



^s^cu ^ci <§3iqi;i fc)^^ ct^?i«a<v PtMi^m ^t'l^ti 



«i. 'tieflaa^'ti aniiiMi "Sdsiii ij«n msisu Mm 



«^A«y'H H^^Silrtl «H^C-ll ^1*1 $. ^11^ QY Sirli 



^l-S «^ft«ft yi^ '2'i. ^Ri H\f ^iscll 't^fl. «^j; 



«4lcrn 5i?a Siiaf\ datisAi tniiiici^if 3ji:ii ■m^ 



SlKHlRlH^d llC-t'l^l;^ ^Stl-'l^lrt 5i Ol^oy 



il^icHi nowi %-a ^ci^i |?^« 4"^«ti s^qw s § ;;t 

 <n^ Ri,4^ <H'\ b\<xi @»i?u ^i uii ^li^u. SHI (§M^«A 

 »Hi ^idHi yt^i ■'nw ajiJi -^rj rt?^ sHiH^j^^^ n>ia[ 



