ҤԴ.

Դҧͧ㹾طʹ..عɰحҧ
ɰʵͧԧط
͹
ش㨨¹ͷӤǡѺҵԢͧ "ӹҨѰ" Ъ繪ͧҧ ҧ͡ ҡá觤Ѵ ͧӹҨѧ ҡҡҹҧطѪ ѹҨ ǤԴ "ɰʵͧԧط" Ẻͧԧɮ ͧɰʵح


Ẻͧԧɮբͧɰʵح

ͺǤԴɰʵح ͸Ժ㹵͹ 繤ͧ ѹҧṺ ҧкɰԨẺ§ Ӥѭ ѺüԵ Сú ҧоʹ ѺкɰԨح öª ͻªآ 㹡üԵ к ҡԵ ҹŴҳ ͧǹԹ Ŵʵѳػҷҹ çҧǹ֡ ͧкѧ

ҡҿ 㹡ҧżԵѧ˹¹ żԵ˹´ѧ շԵ ªآѧ ҡêѭ ʹҡҴŹҧ ѭҢͧѧ Ŵŧ MSB ֧ѡɳҴŧ

ǡѹ ҧżԵ˹ ԵԷ繵鹷عҧѧὧ ҡ÷Ѿҡ ըӹǹӡѴͧš ŧ ѺǴ ʹҧ 餹աѳ ǵѳ 繤ͧǹԹ 繢ͧԵҡ ѭҢͧѧ µ MSC֧ѡɳЪѹ

ѭҢͧѧŴŧѹͧҨҡҧżԵ˹ҡѺ Pb е鹷ع ҧѧ Դҡҧ żԵ˹¹ ҡѺ Pc й ѭҢͧѧ (P) ˹ աҧżԵ ˹ ҡѺ Pb+Pc

ҡҤ Pb ͧШش MSB Ф Pc ͧᵈШشʉ MSC ( ش˹ ͧüԵ) ѹ ¹繡ҿͧ P Ҩ鹻ѭͧѧ繡ҿٻз ; ·дѺüԵ ش C 㹡ҿ 繨شѭͧѧ ԴҡüԵ Сú дѺش (ҷо֧ ͹ ͧѧй)

дѺüԵӡҨش C ѭҢͧѧ٧鹡ҷè (٧Ҩش O дѺش ͧͧз㹡ҿ) лѭҨҡüԵ §ͨеͺʹͧ ͧâͧЪҡ ҷ

дѺüԵҡҨش C ѭҢͧѧ ٧дѺ èա (٧Ҩش O 㹡ҿ) ͧҡ÷·Ѿҡ ըӹǹӡѴͧš ʹ ԴҡüԵ ѧ ҧѭ Ѻѧ ҡһªآѺ

Ѩµҧ ͧѧá˹ٻѡɳТͧ MSB MSC ֧繵ǡ˹ ѡɳ çҧ鹰ҹ ͧѭҷҧѧ


ҡҿ ҡ˹ MSB ѡɳТͧ MSC 鹵鹷عҧѧ Դҡ üԵ ˹ ѧ 㹡ҧżԵ˹¨СԴ鹷عҧѧ (Social cost) ҧ С


) зѾҡâͧšըӹǹӡѴ ͷѾҡõҧ ͧš ѹԺ ҫҵ Թ ١騹Ŵŧ 鹷عҧѧͧѾҡǹ͹´ѧ Ť٧ 繷դٳҡҹ (֧Ҩ觾ѧҹ зѾҡ ҷ᷹ ҷ ҡط Ǵǧ ͧ鹷ع ҧ 㹡Ԩͤ 觷Ѿҡ ҹ)

MSC ֧ѡɳҴѹٻǢҹѺ᡹ǵ¶觷Ѿҡþ鹰ҹ ʹ йҷѾҡҹ MSC ѡɳ ᡹ǵ (MSC1) 觼ش C1 繵ǡ˹ششͧ鹰ҹѭдѺ٧Ҩش C 㹷ҧѺѹ 觷Ѿҡ (෤շ йӷѾҡôѧ ª) شó MSC ѡɳ ҧҡ᡹ǵ (MSC2) 觼ŷش C2 дѺӡҨش C ѹз鹰ҹ ͧѭҷҧѧ ŴдѺŧ

) üԵСúСԴ鹷عҧѧͧšз¹͡Ǵ еҧ Դԡ͹Ш зš͹ 繵 ҹ ֧شԡĵ ҷ š͹ ֧ش ᶺš ʹ¹ŧ дѺ ط٧ ͧӤѭҧ ͧš ͷԹҡûǹ ¹ Դ ҧҡ 觼 MSC ѡɳҴѹ ٻ · Ǣҹ Ѻ᡹ǵ

Ѳ㹡üԵСúͧҧعç MSC ѡɳ ᡹ǵ (MSC1) öѺ¹Ѳ㹡üԵ Сú 㹷ȷҧ ҧšз к 㹸ҵ MSC ѡɳҧҡ᡹ǵ ҡҹ (MSC2)

) ҧżԵӹǹҡ 仡еͧǹԹ㹡úͧµ (же餹ҡԹ ͺԡ÷ԵҴѧ ԵТҴع ТԹ ͧ͡) 觼ѳ ҹҡͧ ١ءҳҡ 觵ͺʹͧ ͧ ըӹǹӡѴ §ͷеͺʹͧʵѳ ͧ餹١ء µ ҧ ͺࢵش Ƕ֧ 觪ԧ ԭ šآ йѴ ʧ Ҵҧ عçҡ ੾ҧ ʹҹҾ ͧظ ҷ ظ ظҾ öзҧ ¸ ͧҾѹ š 觼 MSC ѡɳҴ鹢 » ǢҹѺ᡹ (شԡĵ ͧʧš غѵԢ йӤ¹ ѹҧѭ ҧ͹ѹ Ҿѹ)

Ҿ鹰ҹҧҹԵԭҳ çҧǹ֡ͧѧ ١ͺӴ¡ʵѳ ػҷҹҡ MSC ѡɳ᡹ǵҡҹ MSC1 Ҽ餹ѧ öŴµͧ Һҧ ҡӹҨͺӢͧ ѳػҷҹҡ MSC ѡɳҧ͡ ҡ᡹ǵҡҹ (MSC2) 觼ششͧ鹰ҹ ѭҷҧѧ (C) ͹ C1 仴

㹷ҧѺѹ ҡ˹ MSC ѡɳС¹ŧͧ MSB

ҧżԵ ӹǹҡ ªآѺ ҡúżԵҹ ŴŧӴѺ ö ͧöª ªآѺ ҡżԵ˹· ֧ش ªآ ͪŴѭ ҡ仡ҹա ͹ԹǨ 颉Ǩҹ աҹ Ѻªآ ҡêŴѭ ҡ仡ҹ 繵 MSB ֧ѡɳҴŧٻ ªǧ¢ͧ Ǣҹ Ѻ᡹ǹ͹ͧҿ

öŴµͧҺҧҡӹҨͺӢͧʵѳ ػҷҹҡ MSB ѡɳ᡹ǵ ǹ͹ҡҹ (MSB2) 觼 ѺżԵӹǹ˹ ֡§ ͤͧ âͧԵ (͹ҡش C 繨ش C2) ֧ѺżԵ ҡҹ ֡ ջªآ ͵ͧա

軯ԺѵԸŴСʵѳҺҧŧ ֧繼ͺѡعҡ Ш ǹԹ 繺ح ҴŹ Шդ֡ ֧żԵҡҹ ҧªآ Ŵѭ Եͧ ҡҷ з ѹԴҡԵԴҹ鹷ع ͧǧҼżԵ ѺªѺ

ҧ ŴСʵѳŧ ͼҨӹǹ ش Ѵ¹֡§ (ش C2 = ͼ ش) ͼҪش ,, .... ֡㹡Сǧ (¨ҡش C2 MSC дѺ٧ MSB 觼֡ ͼҡҹ ͵鹷ع ҡһªآ ҡͼҴѧ) й鹡ͼҪش,,... ѧ 褹ҴŹ ¤ 繵

͹觡ͺǤԴĵԡͧФдѺҤ Ƕ֧´ա 㹵͹ 㹷觾ԨóҾĵԡ дѺҤ Ҿ ͧѧ͹

һѹԵԴҹԵԭҳͧ餹ѧ˹ (觨Ѵçҧǹ֡ͧѧ ѧ͸Ժ) дѺͧͧǹԹ ͡ʵѳػҷҹ ¤Դ繤٧ MSB ͹ҧ ҡ᡹ͧҿ ͡价ҧ MSB1 觼ش C 繵ǡ˹ ѭҾ鹰ҹͧѧ (͡˹ дѺѭ شͧѧ) ͹дѺش C1 ѧ ͧԵк (ͧ˹˹ ͧ 駾ѧçҹ ʵԻѭ ʹѾҡõҧ ) 㹢з鹷عҧѧ٧鹴ѧ ö ŴдѺѭ ·ش дѺͧش C1 ѹдѺͧѭ ٧ (٧Ҩش C C2 ӴѺ)

ҡѨµҧ 繵ǡ˹ѡɳТͧ MSC MSB ѧ ͧǹԹ ͡ʵѳػҷҹ ὧçҧǹ֡ ͧѧ Ѻ繵÷ռšзҧҡ 駵ԵԢͧ MSC MSB ҡҿ дѺͧʵѳ ͤͧǹԹ ͧѧŴŧ · MSB ͹᡹ǵ ǹ͹ͧ MSB2 з MSC ͹᡹ǹ͹ͧҿ MSC2 شѴ繵ǡ˹ дѺѭҾ鹰ҹͧѧ ͨش C ͹дѺŧش C2 觼ŷдѺ ѭҾ鹰ҹ ͧѧ Ŵŧٹ (ŴҡдѺ P P2 ҿ) 㹢зҵðҹ äͧվͧ餹 дբ §Ѻͧ (ѧẺ ͼ餹դѹѡŧ ·ѧ ѧҤͧ оҡѹա ѧ դ 觨¤ͧ ա)

(ҤԴ Ѻ Ҿѹ )