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鏂囨。涓嬭浇鏈�浣崇殑鍦版柟
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鏂囨。涓嬭浇鏈�浣崇殑鍦版柟
绗簩绔?/p>
绠�鍗曞浗姘戞敹鍏ュ喅瀹氱悊璁?/p>
2
锛?/p>
1
鑰冪偣闅剧偣褰掔撼
鐜颁唬瑗挎柟瀹忚缁忔祹瀛﹀鍩轰汉鍑仼鏂殑瀛﹁鐨勪腑蹇冨唴瀹瑰氨鏄浗姘戞敹鍏ュ喅瀹氱悊
璁恒�傚嚡鎭╂柉涓讳箟鐨勫叏閮ㄧ悊璁烘秹鍙婂洓涓競鍦猴細浜у搧甯傚満銆佽揣甯佸競鍦恒�佸姵鍔ㄥ姏甯傚満鍜?/p>
鍥介檯甯傚満銆備粎鍖呮嫭浜у搧甯傚満鐨勭悊璁虹О涓虹畝鍗曠殑鍥芥皯鏀跺叆鍐冲畾鐞嗚銆?/p>
1
锛庡潎琛′骇鍑轰笌闈炶鍒掑瓨璐ф姇璧?/p>
鍧囪 浜у嚭鏄寚鍜屾�婚渶姹傜浉绛夌殑浜у嚭锛?/p>
鍦ㄤ袱閮ㄩ棬缁忔祹涓紝
鎬婚渶姹傜敱灞呮皯娑堣垂鍜?/p>
浼佷笟鎶曡祫鏋勬垚锛?/p>
浜庢槸鍧囪 浜у嚭鍙敤鍏紡琛ㄧず涓猴細
Y=C+I
銆?/p>
C
銆?/p>
I
鍒嗗埆琛ㄧず璁″垝娑堣垂銆?/p>
璁″垝鎶曡祫鏁伴噺锛?/p>
鑰屼笉鏄浗姘戞敹鍏ユ瀯鎴愬叕寮忎腑瀹為檯鍙戠敓鐨勬秷璐瑰拰鎶曡祫銆?/p>
闈炶鍒掑瓨璐?/p>
鎶曡祫鏄寚瀹為檯浜у嚭涓庡潎琛′骇鍑洪棿鐨勫樊棰濄�?/p>
2
锛庢秷璐瑰嚱鏁颁笌鍌ㄨ搫鍑芥暟
娑堣垂鍑芥暟鎻忚堪鐨勬槸闅忔敹鍏ュ鍔狅紝
娑堣垂涔熶細澧炲姞锛?/p>
浣嗘秷璐圭殑澧炲姞涓嶅強鏀跺叆澧炲姞
澶氱殑杩欑鍏崇郴锛岀敤鍏紡琛ㄧず涓?/p>
C=C(Y)
銆傝嫢娑堣垂涓庢敹鍏ラ棿瀛樺湪绾挎�у叧绯伙紝鍒欙細
C=a+by(a
锛?/p>
b
鍧囦负姝ｆ暟
)
鈥?/p>
(i)
銆?/p>
(1)
杈归檯娑堣垂鍊惧悜
(MPC)
鏄寚澧炲姞
1
鍗曚綅鏀跺叆涓敤浜庡鍔犳秷璐归儴鍒嗙殑姣旂巼锛?/p>
鍏?/p>
鍏紡涓猴細
銆傚湪鍑芥暟
(i)
涓?/p>
MPC=b
锛岃竟闄呮秷璐瑰�惧悜澶т簬
0
锛屽皬浜?/p>
1
锛屽洜涓烘秷璐?
鑰呮渶澶氭妸鎵�鏈夊鍔犵殑鏀跺叆閮界敤浜庢秷璐癸紝浣嗘槸涓嶅彲鑳借秴杩囧畠锛屾墍浠ュ皬浜?/p>
1
銆?/p>
(2)
骞冲潎娑堣垂鍊惧悜
(APC)
鏄寚浠讳竴鏀跺叆姘村钩涓婃秷璐瑰湪鏀朵汉涓殑姣旂巼锛?/p>
鍏跺叕寮忎负
APC=
銆傚湪鍑芥暟
(i)
涓紝
銆傚钩鍧囨秷璐瑰�惧悜鎬绘槸澶т簬杈归檯娑堣垂鍊惧悜銆傚钩鍧囨秷璐瑰�惧悜鐨勬暟鍊煎彲鑳藉ぇ浜?/p>
1
锛?