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# Questions tagged [rbc]

Real Business Cycle models account for business cycle fluctuations as efficient responses to real economic exogenous changes or shocks

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### Consumption smoothing in RBC Model

I have the following inter temporal utility function: $U(t)=(\frac{s(t)}{1-\sigma})(c_t/c_{t-1}^\gamma)^{(1-\sigma)} - \chi*h(t)$ where $h(t)$ is the hours worked. I know that gamma is responsible ...
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### Impact of technology shock on hours worked in basic RBC model - short and long run with logarithmic preferences

First off, I apologise if, in the following, I do not present the model adequately - I'm at an intermediate level of the study of economics. My question is at the bottom. Anyway, consider a basic RBC ...
69 views

### Technological shocks and Labour supply in RBC and NK models

In the class notes of Eric Sims on RBC and New Keynesian models, in his site, we get to see several graphs with the impulse response functions (IRF) of real variables such as output, labour hours, ...
47 views

### What are the most used functional forms for utility in RBC literature, and why?

In the RBC/NK literature one has to define a functional form for the utility function of the representative household. What are the most used forms, and why are they used? Any help would be ...
54 views

### What's an RBC BGP's feasibility?

I'm reading some note of Eric Sims on extensions to RBCs and he writes «In any balanced growth path, feasibility requires that hours do not grow». The author then explains that this is so, because if ...
117 views

### Find the standard deviation of a log-normal AR1-process with exponent

I am trying to replicate a RBC model with technology shock $\log(z_{t+1})=\rho \log(z_t)+\epsilon_{t+1} \$ with $\epsilon_t \sim$ i.i.d.$\mathcal{N}(0,\sigma^2)$ and $0 < \rho < 1$ The ...
910 views

### Given a standard Cobb-Douglas production function, how to estimate the output elasticity of labour and capital by country?

Given a standard Cobb-Douglas production function: $$Y_t=(A_t L_t)^{\alpha} K_t^{1-\alpha}$$ Moreover, the production function has constant returns to scale: $$\alpha + (1-\alpha)=1$$ How to estimate ...
In a RBC context, what I mean by growth shock is a total factor productivity shock that follows a stochastic trend $ln(a_t) = ln(a_{t−1}) + \gamma + \epsilon^a_t$. I.e. the technology $a_t$, has a ...