V. He thong, muc tieu, co che va co cau.

1. He thong la tap hop cac phan tu cac kenh truyen, co mqh chi phoi len nhau theo cac quy tac nhat dinh de tro thanh mot chinh the nho do co the thuc hien dc 1 so chuc nang nhat dinh( goi la tinh troi). Trong chu nghia tu ban, he thong kinh te co 1 so tinh troi la nang suat, loi nhuan, cuoc song cao va cong bang dao ly, tinh nguoi lon hon.

-Muc tieu: la trang thai mong doi can co cua he thong sau 1 thoi gian nhat dinh.

+He thong co muc tieu chung va muc tieu rieng voi muc tieu chung la dinh huong cua ca he va cac muc tieu rieng la cac muc tieu cu the cua tung phan he trong he thong giua muc tieu chung va muc tieu rieng co the thong nhat hoac khong thong nhat. Va khong phai he thong nao cung co muc tieu

2. Co che cua he thong: la phuong thuc dieu hanh HT den mtieu hop voi quy luat khach quan von co cua no nham duy tri tinh troi cua co cau va dua he thong som dat den muc tieu mong muon.

Noi dung co che: +xdinh mtieu chung nhat va dai nhat de khong ngung hoan thien tinh chon loc, tinh thich nghi, nham xd trang thai can bang cua HT va khong ngung pha bo no de chuyen sang trang thai moi o trinh do to chuc cao hon.

+thu thap cac thong tin ve cac phan tu cac than he tren co so xd chuan xac cac mtieu can su ly, de ra cac quyet dinh dk cho tung chang. Mot.

+to chuc cac moi lien he nguoc( thong tin nguoc)

+to chuc dieu chinh( khi can thiet)

-Co cau cua HT: la hjnh thuc ton tai cua he thong phan anh cau tao ben trong bao gom su sap xep cac phan tu cac bo phan va mqh giua chung theo 1 dau hieu nao do.

-y nghia: de ung dung quan diem HT trong QLNN ve KT, NN voi tu cach la he thong chu the dieu khien can phai su dung nhung thanh qua cua ly thuyet he thong vao trong qua trinh quan ly Kt cua minh. Moi quyet dinh, ton tai giai phap dua ra phai dc xxet trong mqh tong the co tinh den tinh doc lap tuong doi cua cac phan he, cac phan tu co lien quan.