2-chizma. Daromad o’zgarishining byudjet chizig’iga ta’siri.
O’z navbatida narxning o’zgarishi ham byudjet chizig’idagi turli o’zgarishlarni keltirib chiqaradi (c-chizma). Jumladan:
1) V tovar narxining ‘asayishi byudjet chizig’i burchagining o’zgargan holda yangi chiziq hosil bo’lishiga olib keladi (M chiziq);
2) B tovar narxining oshishi byudjet chizig’i burchagining o’zgargan holda yangi chiziq hosil bo’lishiga olib keladi (N chiziq):
3) A va V tovarlar narxi ilgarigi nisbat saqlangan holda oshsa, u holda eski chiziqqa ‘arallel bo’lgan yangi chiziq hosil bo’ladi (L chiziq).
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