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2 votes
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Irrelevance of Heterogeneous Agent Modelling

This is a question from a previous year PhD entrance exam. I have outlined how I have tried to tackle the problem as well: N.B. 1 This exam is of 100 points and this particular problem is of 25 points....
Kanooz's user avatar
  • 51
1 vote
0 answers
69 views

Finding cost function

The production function is as follows $$f(z)=(z_1+z_2)(z_3+z_4)$$ Find the cost function? What I did is as follows. But I am not sure about my solution. How do you solve it? *duplicated question
studentp's user avatar
  • 192
1 vote
0 answers
61 views

Find the utility of each agent whenever the social welfare is maximized

Question: Suppose that the utility possibilities curve of 2 people economy is given by the equation $u_1^2 + Au_2^2=20$ where $A\in R_+$ and the social welfare function of the economy is $W(u_1,u_2)=...
studentp's user avatar
  • 192
1 vote
1 answer
353 views

Find Pareto optimal allocations and the core for the following economies

Find Pareto optimal allocations and the core for the following economies. There are two consumers and two goods. Utility functions are $u_1(x_1,y_1)= 10x_1-(y_1-2)^2$ and $u_2(x_2,y_2) = 10y_2 − (x_2 −...
studentp's user avatar
  • 192
0 votes
2 answers
1k views

Corner solution of the maximization problem

Answer Hello, I upload the actual question with my 8-pages answer. Please can you check it. Is there a corner dissolution for $c=\gamma$. Please share your ideas. Thanks.
studentp's user avatar
  • 192
1 vote
0 answers
150 views

Revenue maximization problem

There are $N>0$ Households in an economy. The government has aim to maximize a weighted average of income by imposing tax on the rich people and redistribute the tax revenue to the labor ones. ...
studentp's user avatar
  • 192
1 vote
1 answer
421 views

Central bank loss function (I did a solution, but it doesn’t totally make sense I guess)

I have question on central bank loss function. We know that the central bank loss function is $$L(\pi, \bar{Y})= (\pi- \pi^e)^2+\beta \bar {Y}^2$$ And we know that fisher equation is $$i=r+\pi^e$$...
studentp's user avatar
  • 192
0 votes
1 answer
99 views

Neoclassical model with proportional taxes

In a certain economy, time is discrete with periods $t=0,1,2,...$. The economy is populated by many households and identical firms. The utility of a household is: $\displaystyle\sum^{\infty}_{t=0}\...
lynak's user avatar
  • 1
-4 votes
1 answer
756 views

Question about budget constraint and utility maximization [closed]

I have also following budget set $$B=\{x=(x_1,x_2)\in R^2_+ \mid 2\sqrt{x_1}+x_2\le y\}$$ where y is income. Assume that there are two stories. The agent can shop in both of them. The first store ...
studentp's user avatar
  • 192
2 votes
2 answers
3k views

Show that First order conditions are necessary and sufficient for utility maximization

I have a budget set $$B=\{x=(x_1,x_2)\in R^2_+ \mid 2\sqrt{x_1}+x_2\le y\}$$ where $y>0$ is income. Assuming the preferences are strictly monotonic and convex, I want to show that first order ...
mnm123's user avatar
  • 63
2 votes
2 answers
3k views

Utility maximization question setting up.

Consider a consumer whose preferences can be represented by the following utility function: $$u(x_1,x_2)=\dfrac{x_2}{(1+x_1)^2}.$$ Assume the agent's income is $y=5$. The price of one unit ...
studentp's user avatar
  • 192