DSE question

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DSE question

niki
DSE 2012 Question:

Consider a small open economy with fixed nominal exchange rate (E),
fixed domestic price level (P) and fixed foreign price level (P). Let R be the
corresponding real exchange rate. The goods market equilibrium condition
is given by the following IS equation:
Y = C + I + G + X-IM/R
where
C = c0 + c1Y represents domestic consumption
I = d1Y- d2r represents domestic investment
G represents government expenditure
X = x1Y*- x2R represents export
Y* represents income of the foreign country
IM = m1Y + m2R represents import
QUESTION 57. Suppose the rate of interest (r) as exogenously given. Then
a unit increase in the foreign price level, ceteris paribus, increases domestic
output by
(a)m1Y/R -Rx2              1            
-------------------  x      ---                                                                                              
   1-c1-d1+m1/R           P*

(b)m1Y/R -Rx2                          
-------------------                                                                                                    
  R (1-c1-d1)+m1          

(c) Rx2 - m1Y/R            1            
-------------------  x      ---                                                                                              
   1-c1-d1+m1/R           P*
 
(d) None of the above

how do we go about solving this question..??
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Re: DSE question

duck
Hi Niki.. :)

Just substitute C,I,G,X,IM,ε in Y and then differentiate it wrt P*.
:)
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Re: DSE question

niki
In reply to this post by niki
thank you..:)