Questions tagged [ramsey]

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Does a neoclassical production with constant returns to scale implies type of Cobb-Douglas

Assume the neoclassical production function $$F(K,L)\colon [0,\infty) \times [0,\infty) \to [0,\infty)$$ twice continuously differentiable, i.e., F is montone increasing and concave, i.e., $$ \partial ...
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2 votes
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Sims Method on Julia and Dynare

im asked to solve this model by hand and then compute it in Julia using Sims method. My problem is, Sims methods works on a equation that has A and B, such that B is not invertible so it works on QZ ...
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1 vote
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Ramsey model with government

I have a problem with an introduction a government to Ramsey model. For example, there is a capital income tax and government returns the revenue from this tax through lump-sum transfers. What will ...
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4 votes
1 answer
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Proof of Saddle-Path Stablility in Ramsey-Cass-Koopmans model

I'm currently struggling to proof the saddle-path stability in the Ramsey-Cass-Koopmans model. Based on the books Introduction to Modern Economic Growth by D. Acemoglu (chapter 7 and 8) and ...
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2 votes
1 answer
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How to derive a general relationship between the Ramsey-Keynes rule and the law of motion for capital?

Consider a representative agent model where the representative agent has standard preferences $\int^{\infty}_te^{-\rho t}ln(c(t))dt$ where $\rho>0$ and $c(t)$ is consumption in period t as usual. ...
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Stochastic Optimization

I am working on a Data Panel project that is about macro volatility, taking into consideration some quality indicators. According to my model, indicators definitely determine macro variables. Data are ...
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2 votes
1 answer
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Modern descendants of Frank Ramsey's paper "A Mathematical Theory of Saving"?

I haven't studied economics, but I'm interested in applied ethics, and I came across Frank Ramsey's paper "A Mathematical Theory of Saving". I thought his application of calculus to a ...
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1 vote
1 answer
197 views

Utility function in Ramsey-Cass-Koopmans model

We are studying Ramsey-Cass-Koopmans model (RCK) in my macro course, I am already stuck in the starting section on assumptions of the model. In particular, I do not quite understand why the ulitity ...
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2 answers
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Is the Ramsey model one with non negative investment?

I have a very fundamental question. I am currently searching for an economic growth model with non negative investment. Can someone tell me if the Ramsey model is one with non negative investment and ...
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2 votes
1 answer
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Are business cycle fluctuations usually studied in a (New Keynesian) DSGE model, or can they also be studied in a growth model?

I wonder if business cycle fluctuations are usually studied in a (New Keynesian) DSGE model, or can they also be studied in a growth model?
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