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Kreu XVI

Kreu XVI. Shpenzimet dhe te ardhurat. Shpenzimet agregate dhe GDP real. Inverstimet dhe kursimi. Te dy modelet - klasike / kejnsian bazohen en supozime : Pagat dhe cmimet supozohen fikse Abstragohet nga tregu I parave Konsumi dhe kursimi kane lidhje lineare

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Kreu XVI

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  1. Kreu XVI Shpenzimet dhe teardhurat

  2. Shpenzimetagregate dhe GDP real. Inverstimet dhe kursimi • Te dymodelet- klasike/kejnsianbazohen en supozime: • Pagat dhe cmimetsupozohenfikse • Abstragohetngatregu I parave • Konsumi dhe kursimikanelidhjelineare • Investimet dhe shpenzimetqeveritarejaneautonome/nukvarenngateardhurat • Taksatsupozohensitepavarurangateardhurat • Eksportetsupozohenautonome, ndersaimportettevaruaradrejteperdrejtengateardhurat • Abstragohetrritjaekonomike, praoperohet ne periudhaafashkurtera

  3. PE C+I E C I 45° Q* Qp GDP

  4. AD = C + G + I + X – Im Y = C + S + TA AD = Y, ekulibri C+ I + G + X – Im = C + S + TA I + G + X = S + TA + Im …….1 I + G + X , quhenhyrje ne levizjenciklikeshpenzimeteardhura S + TA + Im, quhendaljengakjolevizjeciklike I = S

  5. I = S S,I S A Investimet e paplanifikuara E I Investimet e planifikuara O q* q1 Q* GDP real

  6. Multiplikatori I shpenzimeve Multiplikatori =, S= Ndryshimi ne GDP real ΔY Ndryshimi ne shpenzimet e pavarura ΔA 1 1-MPC 1 1 s = = 1-MPC MPS 1 1 Δ GDP = * ΔI = * Δ I 1-MPC MPS

  7. Multiplikatori I shpenzimeve S,I Mld leke E’ 11 I’ E A 10 I O 45 50 GDP real

  8. 1 Sg = 1-MPC PE E C+I + G C+I C 45° Q* Qp GDP real

  9. Multiplikatori I politikes fiskale PE C+I + G’ E’ 100 C+I +G E 500 45° Q* Qp GDP real

  10. Multiplikatori i taksave • Shpreh lidhjen negative ne mes te ndryshimit te taksave dhe ndryshimit te GNP • St <Se St=MPC*Se= Sb= Sg-St MPC 1-MPC

  11. Paradoksi I kursimit S,I S’ S 100 I 300 O GDP real

  12. Percaktimi I GDP se ekulibrit ne nje ekonomi te hapur TPE C+I + G NX C+I +G + NX E 45° GDP real 20

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