where P, is the price expectation at time t and parameters a, b, c, d...
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where P, is the price expectation at time t and parameters a, b, c, d are all positive. One of the ways of improving the original Cobweb Theorem by means of more realistic expectations is to use adaptive expectations. According to adaptive expectations hypothesis, expectations are revised or "adapted" in each period on the basis of the discrepancy between the observed value and the previously expected value. It is formulated as follows;
Q? =a-bp,, Q* =-c+dP, Q =Q9 where P, is the price expectation at time t and parameters a,b,c,d are all positive. One of the ways of improving the original Cobweb Theorem by means of more realistic expectations is to use adaptive expectations. According to adaptive expectations hypothesis, expectations are revised or adapted" in each period on the basis of the discrepancy between the observed value and the previously expected value. It is formulated as follows; P. P. 1 = B(P.-1-PA) where is expectation-adjustment coefficient with 0
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