# Questions tagged [ramsey]

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### Ramsey model problem

Explain the no-Ponzi game condition throughout the function. Does the constrain function: also reflect include the No-Ponzi condition?
24 views

### Ramsey no ponzi condition

Please help me understand how to create these functions, sometime they use "t" denote, sometime use "r" denote that make me feel confuse. Function (17) and from (19) to (23)
1 vote
109 views

### Ramsey model condition

Why are transversality conditions and no-ponzi game conditions needed in the Ramsey model? And why do we assume that is a CIES utility function?
1 vote
113 views

### Integral in front of utility function

I have a problem understanding the integral in front of the modified Ramsey problem of the DICE model. So U the utility of one household is determined by u(c) the instantaneous utility and the rest of ...
1 vote
50 views

### How is the constrained maximization problem in the Ramsey model solved?

Assuming that utility is forward discounted $\rho$, lifetime utility = $\int_{0}^{\infty} e^{-\rho t}u(c) \,dt$. And in continuous time, we also know that $\dot{k} = y - (\delta + n)k - c$. ...
1 vote
588 views

### Effect of shock to technology level in the Ramsey model

My instructor said that the answer I wrote below is not correct without any explanation. But I dont know why. I need to learn its correct answer. Please share your ideas with me. I asked the same ...
444 views

1 vote
116 views

### 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 ...
408 views

### 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 ...
140 views

### 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. ...
72 views

### 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 ...
104 views

### 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 ...
1 vote
417 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 ...