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Guys plz help with 17/19
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Static expectation means the expectation of a variable in one period is going to be equal to the actual value of the variable in the previous period, which brings us to the relation Ye(t+1)=Yt.
We have Y(t+1)=C(t+1)+I(t+1) which means Y(t+1)=aYe(t+1)+yYe(t+1)^2 where Ye is the expectation, a is alpha and y is gamma. Let's see what kind of a function Y(t+1) is. It's a convex function which passes through a line through origin when Y=1-a/y. Being a convex function, in the long run, Y(t+1)=Y(t) along the line through the origin, Y(t+1)<Yt for the region below Y<1-a/y and it's the opposite in the other case, which means the value of Y in the long run approaches 0 or infinity depending upon whether Y< or > 1-a/y. Draw a graph for clarity. |
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In reply to this post by varnika1880
In the case of rational expectations, the long run value of Y(t+1) and Yt are the same. It's also the same in the case of adaptive expectations, just in case.
This plainly implies Yt=aYt+yYt^2. Therefore, the long run equilibrium value of Y is 1-a/y |
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Thnx a lot .....
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Anytime. Could you please help me with the problem I just posted?
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I already did ...can u plz attach a graph to this ...it's confusing this way ...thank
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Thnx
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In reply to this post by Mike
Hi, Where to study Vector from? Like that asked in question 9!!
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You can refer in Simon & blume, I.n herstien. They don't deal with affine independence specifically but sufficient for isi-dse. On 04-Jan-2017 3:53 PM, "Rautparul [via Discussion forum]" <[hidden email]> wrote: Hi, Where to study Vector from? Like that asked in question 9!! |
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In reply to this post by JMKeynes
Can somebody help with question 12?
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In reply to this post by Abhitesh
Question 16--
IMG_20170108_153950.jpg ![]() |
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Your answer is correct.
Check each options A. (n+1)p=n(1+p) => np+p=n+np => p=n ; not possible. B. np=(n-1)(1+p) = n-1+np-p => p=n-1 ; not possible. C. np cannot be a position integer if (n+1)p is a positive integer. |
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Yes, and that's why I am not able to get why college has posted option b as Answer.. Can you help with question 43? I am stuck on how to solve SIgma (300 - 50Di - 262.5 )^2. On Mon, Jan 9, 2017 at 4:00 PM, Abhitesh [via Discussion forum] <[hidden email]> wrote: Your answer is correct. |
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Take Di=1 for i=1 to 150 and Di=0 for i=151 to 200
So we get 150*(12.5)^2 + 50*(37.5)^2 How did you solve question 42? |
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Thanks for that! :) I am not sure about 42. I tried searching but didn't get anything satisfying enough. On Tue, Jan 10, 2017 at 5:42 PM, Abhitesh [via Discussion forum] <[hidden email]> wrote: Take Di=1 for i=1 to 150 and Di=0 for i=151 to 200 |
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This post was updated on Feb 05, 2017; 7:47am.
Can anyone write the equation for Question 56???
What is the condition for steady state long run?? It will be really great if u can post solution from 54 to 59 |
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In reply to this post by Amit Goyal
Thanks
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