# All Questions

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204 views

### Systematic measurement error in explanatory variable

In the classical errors-in-variables problem, we are looking at the effect of $x^*_i$ on $y$, but $x^*_i$ is misreported. We have observations $x_i = x^*_i +u_i$, where $u_i$ has zero mean mean, ...
174 views

### SAS: How to do ARIMA procedure with structural break?

So it seems like my data has a structural break in it, using Box-Jenkins methodology and evaluation such as ADF test wont give appropriate forecasts/results if I do not correct for the structural ...
54 views

### Exponential Moving Average smoothing factor

I learn best my reading about a concept and then trying to implement it using math and a programming language. Right now, I'm trying to implement an Exponential Moving Average indicator, but I'm ...
284 views

### Can the social planner problem be reduced to a Pareto problem or a Walrasian equilibrium problem?

The social planner problem is \begin{align} \max_{\lbrace x_i,y_i,x_j,y_j \rbrace } &\theta_i U_i(x_i,y_i) +\theta_j U_i(x_j,y_j) \\ & \text{s.t.}\\ &x_i+x_j = \omega_i^x + \omega_j^x\\ &...
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### Competitive Equilibrium in Securities Market: First Welfare Theorem

I'm working through Kerry Back's "Asset Pricing and Portfolio Choice Theory" book. Trying to work through the proof of the First Welfare Theorem in the context of securities markets on page 58. Back ...
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### Why is poverty worse in larger cities?

In inner cities in the US there is more poverty (as a proportion of the population) than in mid-sized cities or small towns. Do we have a definitive answer as to why this is?
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### Using US foreign tax policy to offset a raise in interest rates

I am an amateur economist at best, more a person with an economic BS looking to explore data science (I will be using python). I have a theory that I want opinion on that will allow the Fed to raise ...
80 views

### Currency Peg or Currency Substitution/Dollarize?

Why would a sovereign state choose an exchange rate peg over the demonetization of the local currency, replaced by hard currency? In the case of the West and Central African CFA Francs, France has an ...
202 views

### Forecast of ARMA-GARCH model in R

I managed to forecast a GARCH model yesterday and run a Monte Carlo simulation on R. Nevertheless, I can't do the same with an ARMA-GARCH. I tested 4 different method but without achieving an ARMA-...
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### Any serious macro models for Greece's possible default or eurozone exit?

Since each news outlet says something about Greece these days, I wonder what serious economic research backs decisions made over the last seven years? The IMF papers on austerity, both early ones and ...
112 views

### Appropriate economic/econometric tools to analyze segmented promotion optimization problem

I'm trying to determine which micro-economic/econometrics concepts, models, and/or tools are appropriate for an analysis of promotions. Below I Describe the problem in general terms Give ...
65 views

### Converging Trajectories and Sufficiency for Optimality

(The question is loosely relatet to this thread.) In the paper "Feedback Equilibria for a class of non-linear Differential Games" by Mäler et al. it is stated (p. 14) In fact sufficiency is ...
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### Solving this system of ODE

I have the following system of equations $$\rho V(u, \epsilon^i) = F(u, \epsilon^i) + V_u(u, \epsilon^i)g(u, V(u, \epsilon^i) + \lambda^i \left(V(u, \epsilon^{-i}) - V(u, \epsilon^i)\right)$$ with \$...
127 views

### Ultrafilters in Social Choice Theory Literature Request

I am an undergraduate math major who is intrigued about social choice theory. I am in the early stages of planning my senior project and was wondering if anybody had some recommendations of literature ...
115 views

### Equal Payment Series

The question is: A man is planning to retire in 20 years. Money can be deposited at 8%, compounded monthly. It is estimated that the future general inflation rate will be 3% compounded annually. What ...
187 views

### Production in the long run - calculating wage and rental elasticity of demand

I have data for a business firm for two periods. The data include: output (Q), capital (K), labor (L), wage (W) and the rental rate of capital (R). Here they are: ...
161 views

### Optimal commodity taxation - solving for the optimal tax rates?

I need to solve for optimal tax rates for two products. In my model there are N identical households that maximize their utility function subject to a budget ...
144 views

### Kolmogorov-Forward-Equation with Entry and Exit

I'll try to ask this question in the most simplistic environment possible, so lets think about a household that can consume and save. After some cumbersome work, we have solved for the optimal savings ...
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### What's the advantage of DSGE relative to BVARs?

DSGE models and BVARs are commonly used in academia and policy circles. They generate different performances (e.g., in forecasting) and perhaps serve different purposes. Notwithstanding, they have a ...
50 views

### Signaling in zero-sum games?

The foundation of this question is a bit vague (based on something overheard at a conference) but I'm hoping someone here can provide some clarification. I overheard a conversation between two ...
46 views

### Neoclassical Economic Growth Model Shadow Price for Discrete vs Continuous Time

I recently learned about the neoclassical growth model in both discrete and continuous time. The intuitive meaning of the shadow price for both cases is that it represents the value of one additional ...
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### What is the privilege of a primary dealer?

Primary dealers have a privileged position, so there is value in being registered as a primary dealer. - https://economics.stackexchange.com/a/13450/8387 I was previously under the assumption that ...
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### Is there a widely accepted definition of “asset [price] inflation”?

A bit of googling found some conflicting ones... Capel and Houben (BIS) Asset inflation occurs when the prices of financial assets are rising even though they are already above their intrinsic or ...
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### Calculating the amount paid for a loan in today's dollars

So I was trying to figure out the amount paid for a loan in today's dollars using two different methods but they give me different results. I was hoping that someone could explain which method is ...