# Questions tagged [applied-econometrics]

Use this tag to discuss empirical papers and issues arising when applying theoretical models to data.

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### Identification strategy for measuring impact of employee turnover on project quality

I am seeking help with identification strategy for figuring out causal direction in the following context: There is a company where project managers (PM) rotate every 3-7 years across the country/...
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### What is the optimal forecast for the following moving average model?

Suppose that we have an MA(1) model where $y_t=\epsilon_t-\frac 1 2 \epsilon_{t-1}$ and $\epsilon_t$ are i.i.d. I want to find an optimal forecast of $y_{T+1}$ in the form of $Cy_T$ where C is a ...
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### How does one deal with trending variables in Linear Regression?

I have a linear regression model with two independent variables that takes the form: $$y_{it} = \beta_{0} + \beta_{1}x_{it} + \beta_{2}z_{it} + u_{it}$$ where $u_{it}$ is the error structure. I want ...
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### Cointegration but no Granger causality

Suppose I have two variables - $y_t$ and $x_t$ - which are cointegrated. I believe that (i) $y_t$ responds to deviations from the long-run equilibrium, (ii) the long-run elasticity of $y_t$ with ...
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### Annual Fraud Recovery Over Time: Should I adjust for inflation?

I have a dataset of the total amount the U.S. Department of Justice obtained annually in settlements/judgments of government fraud cases from fiscal years 1988-2019. There's a lot of variation, but ...
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### Where to find a list of U.S. policy changes for causal studies?

I'm currently trying to figure how the topic of my paper, which is supposed to be related to policy evaluation (causal inference). I thought it would be great if I could first obtain a list of recent ...
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### Questions about the future of macroeconomic modeling and the role of simultaneous equation systems

I started to study about macroeconomic modeling and I am interested in the following questions. I understand that there are no definite answers to these questions. But I am interested in the opinion ...
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### Can you take the moving average of quarterly data of an explanatory variable in a regression to smoothen noise and get more accurate coefficients?

I'm trying to use acceleration of quarterly data on household debt (the difference in the difference in debt) in a regression on unemployment (only concerned with correlation) but quarterly data is ...
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### Evaluating the impact of US federal grants

There are a number of challenges with evaluating the impact/effectiveness of federal grants in the U.S. In particular, it's easy to obtain a (somewhat comprehensive) record of transactions between ...
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### Why are the same set of controls used for both OLS and 2SLS?

I have been reading several papers that use 2SLS. These papers usually also show the OLS regression results. I noticed that when authors report results for 2SLS, they also include control variables ...
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### A question about independence of LATE framework (IV)

I came across the assumption of independence of the LATE in 2SLS: My first reaction is, why D1i and D0i are independent of the instrument Zi? Shouldn't the treatment and IV be correlated for the IV ...
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### Negative correlation conditional variance and return

I've estimated a GARCH for S&P 500, Nikkei and DAX index. The model for the return of S&P 500, the results indicate the return of DAX has an negative effect on the S&P 500 conditional ...
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### Is there a specific test for this procedure? (NKPC and coefficient stability)

I'm running a GMM regression in order to estimate a New Keynesian Phillips Curve, with forecasting purpose, and i want to know if there is a testing procedure for the following problem: (i) First i ...
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### Is there empirical evidence on usability of Cobb-Douglas production function?

This is my first question at Stack Exchange. I am trying to estimate simple Cobb-Douglas production function $Y=AL^{\alpha}K^{\beta}$ on US data and receive an unrealistic estimate of $\alpha$ and a ...
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### How to run Panel data analysis when data on the dependent variable is on a 5 year interval basis and that on independent variable is on yearly basis?

I am reading a paper which empirically tests if primary exports affect education attainment in LAC countries over the period 1965 to 2010. It uses percentage of secondary school enrollment as ...
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### What are the statistical tests I need to perform before I regress GDP on multiple variables?

I'm using data over 10 countries for the period 1975 to 2010. My objective is to check if the chosen regressors have significant effect on GDP. I have very basic knowledge of econometrics which I ...
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### what can be the proxy variable for measure of product innovation?

My objective is to prove that international trade leads human capital formation which leads to economic growth. I am regressing GDP on multiple variables among which Human capital is one. According to ...
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### The Household Production Function

I was wondering whether someone can explain the household production function (HPF). Specifically, the variant presented in Patanayak et al (2005). The paper uses the HPF to determine household ...
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### Performing good forecasts for the GDP

What forecasting models would you recommend to forecast the GDP? Through a quick research I have found that VEC, VAR, SVAR models are the most common. Are they though good forecasters? Or are they ...
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### Cobb-Douglas production function with expenditures rather than units

I want to estimate a standard Cobb-Douglas production function of the form $Y=AK^{\alpha}L^{\beta}$. However, I only have data on labour expenditures, not units of labour. I don't have data on the ...
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### treatment of non-consecutive periods in panel and ʀ SFA

ɪ am estimating a Stochastic Frontier Analysis (SFA estimated by MʟE) model for a panel of seven periods. ɪ want to know if ɪ can use all the periods in the estimation procedure and how are they ...
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### Is measurement error in self-reported health a problem in this scenario…?

I am running regressions to estimate the impact of health conditions on life satisfaction. I have read a paper that showed that there is likely to be measurement error in the self-reported health ...
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### What is the interpration of results if adding or subtracting a control variable effects the significance of explanotary variables?

I am conducting some regressions on economic growth determinants and I am disillusioned. Essentially by choosing what groups of variable to regress I can get the desired significance. What does this ...
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### Regression analysis with interaction and decomposed main effect

I'm trying to figure out if I need to include the main effect in a regression analysis with an interaction if I am already including a decomposed version of the main effect. For example, let: ...
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### Building a time-series demand forecasting model

I am forecasting demand for certain types of goods and services, which I expect to be correlated to a sub-set of a basket of macroeconomic indicators (considering 15-20 indicators) I do not know ...
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### How do I fill gaps in my data?

In my study, I have 5 independent variables which contains 21 observation each. However one of my independent variables have 3 gaps. What should I do? e,g I would need to know the effect of ...
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### How to control for population in Difference-in-Difference?

Random example, but let's say I'm examining the effect of a health program on influenza cases in India. They just randomly start the program in 7 of the 29 states. I have data on the number of flu ...
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### Difference-in-differences with long time horizon and repeated treatments

I have a high-frequency panel dataset on the order of $i=150$ and $t=5000$. I am interested in studying the causal impact of a treatment with the following characteristics: The same unit can be ...
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### primary impact on real estate prices/taxes

Are my housing prices/taxes more influenced by the \$40M beach house a few miles away from my home or those in the lower-class well beyond my county line? Assuming a few basics: there are differing ...
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### Exchange rate volatility

Colleagues, I have started an analysis on spatial econometrics models, and looking for data to compute an exchange rate volatility. My variables to construct the weight matrices are all bilateral ...