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Pada Model Cobweb, diketahui jumlah penawaran barang pada setiap waktu \$$t\$$ adalah \$$Q_t^S = 6+5\\left( p_{t-1}-\\dfrac{p_{t-1}-p_{t-2}}{5} \\right)\$$ dengan \$$p_t\$$ menyatakan harga per unit dalam dolar pada waktu ke-\$$t\$$. Sedangkan jumlah unit permintaannya adalah \$$Q_t^D=15-4p_t\$$.

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Kedua persamaan beda yang diberikan dapat disederhanakan menjadi suatu hubungan antara \$$p_{t+2}\$$ dan \$$p_t\$$. Misal hubungan tersebut dapat dituliskan menjadi \$$p_{t+2}+Ap_{t+1}+Bp_t=C\$$. Tentukan nilai \$$A\$$, \$$B\$$, dan \$$C\$$ berturut-turut.

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Pilihlah bentuk solusi umum dari persamaan beda tersebut.

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Jika diketahui \$$p_0=3\$$ dan \$$p_1=2\$$, tentukan nilai \$$C_1\$$ dan \$$C_2\$$ berturut-turut.

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