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Questions tagged [econometrics]

The use of mathematical methods, especially statistical, in order to analyze economic phenomena, understand the economic relations between them, and develop economic theories. A subset of economics.

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Why is utility concave?

I have read that the utility function is usually concave. I assume this requirement arises in order to meet the diversification effect:$$f(\lambda_1c_1+\lambda_2c_2)\ge \lambda_2 f(c_1)+\lambda_2f(c_2)...
quallenjäger's user avatar
0 votes
1 answer
270 views

Most GUI user friendly Time series Econometrics software for modelling and Forecasting GARCH models [closed]

I think the question is simple enough. I have been using Eviews, but it is unable to do recursive one step ahead forecasting directly and requires me to use coding, which I'm not very good at. I need ...
Albe's user avatar
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1 vote
1 answer
744 views

Use of ACD to model transaction durations

I am using a simple ACD (autoregressive conditional duration) model with expoential or Burr distributed residuals and 1 lag, i.e. ACD(1,1). I am modelling durations for transactions data on a 'medium'...
mic's user avatar
  • 281
1 vote
1 answer
132 views

How to find relationships between financial data?

Suppose I have a time series of stock growth and one of gdp growth and education over the years. Can I try to explain stock using gdp and education by running an OLS or would I be mistaken from a ...
user25954's user avatar
1 vote
1 answer
1k views

Which python packages would you recommend for time series analysis?

I am taking a time series analysis class that uses EViews. What packages in python do equivalent work?
Schmidt's user avatar
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0 votes
1 answer
44 views

basic econometric model on country spread methodology

I am doing some research on Germany, France and Spain on their spread. I would like to try to 'forecast' or 'explain' the the spread on sovreign debt using OLS regression on unemployment and debt ...
Klapaucius's user avatar
0 votes
1 answer
68 views

Simulating Co-Integrated Assets

I know how to simulate correlated returns, but I do not know how to simulate Co-Integrated assets. I would like to simulate a co-integrated time series where the Beta Co-Efficient is not constant, but ...
FX_NINJA's user avatar
  • 500
0 votes
1 answer
10k views

how to convert quarterly data to monthly

Is there any way to convert quarterly data to monthly in excel or preferably in STATA? I Next to that, how can I transform dates in excel so as to be recognized by STATA?
Jay92's user avatar
  • 53
1 vote
1 answer
588 views

Standard Stochastic Volatility Models VS Moving Average Stochastic Volatility Model

Hi... I am comparing the log-volatility of two SV models with an application to MATLAB. Since I am a rookie in this field, I do not know if I am wrong in interpreting the graph. In my opinion the only ...
user22108's user avatar
40 votes
5 answers
8k views

Why aren't econometric models used more in Quant Finance?

There is a big body of literature on econometric models like ARIMA, ARIMAX or VAR. Yet to the best of my knowledge practically nobody is making use of that in Quantitative Finance. Yes, there is a ...
vonjd's user avatar
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1 vote
0 answers
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Machine Learning Munging - order of transforms? + adding in econometric tests?

I have a list of possible transforms, and I've read some confusing/contradictory stuff about the preferred order in which these operations are performed. Maybe 1) the order is sometimes amorphous, ...
user3392615's user avatar
1 vote
0 answers
47 views

How to enter to economics/finance sector [closed]

Although my question is a general question, I would appreciate your suggestions or help me to find a proper "stack exchange" in order to ask my question: I am a Ph.D student in (Pure)Mathematics and ...
user118746's user avatar
1 vote
1 answer
701 views

Is there any package in R for conditional autoregressive range model (CARR)?

I am working on a project which requires volatility estimation using range based volatility. Is there any package in R which helps me in estimating the CARR model proposed by Chou (2005).
Sadhak's user avatar
  • 23
4 votes
1 answer
2k views

How to fit exogenous + GARCH Model In Python?

I am studying a textbook of statistics / econometrics, using Python for my computational needs. I have encountered GARCH models and my understanding is that this is a commonly used model. In an ...
Andrea's user avatar
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3 votes
1 answer
3k views

How to implement dummy variables into GARCH(1,1) model from structural breaks (ICSS)

Hello everybody, I was already searching a lot of forums and read a huge amount of different papers. But I guess I am to stupid or I am at a loss. Hopefully some of you are able to help me out. Here ...
luftfahrt's user avatar
5 votes
0 answers
395 views

Fourth moment of ARCH(2)

I am studying the ARCH(2) process given by $$X_t = \sqrt{h_t} \varepsilon_t$$ where $$h_t = \alpha_0 + \alpha_1 X_{t-1} ^2 + \alpha_2 X_{t-2} ^2$$ and $\varepsilon_t$ follows $N(0,1)$. ...
KaRJ XEN's user avatar
  • 257
2 votes
2 answers
406 views

Is there an implementation of VAR-EGARCH model in R or Stata?

I am writing my undergrad honor thesis and want to run a multivariable VAR-EGARCH model. Is there any package in R or formulas in Stata 14 that allows me to implement directly? If not, could you ...
Mars's user avatar
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7 votes
1 answer
2k views

Momentum - skipping the most recent month

Many momentum studies skip the most recent month when calculating momentum to account for "reversal effects." On the other hand, I've read online that some people get better results from not skipping ...
Thomas Johnson's user avatar
1 vote
1 answer
106 views

what are database for downloading Spatial Data?

I am trying to find a good database for Spatial Data. What are the examples of this kind of data? IS it always related to geography? Any Spatial data related to finance, economics and statistics? ...
user7985's user avatar
2 votes
1 answer
108 views

List of Economic Data for Index Forecast

What econometric symbol list (or tickers) could be used to forecast return of global stock market indexes (S&P500, TSX, CAC40, ...) and their subsectors? I'm aware of the answer to question: ...
Makani's user avatar
  • 23
4 votes
3 answers
4k views

Any package to run VAR-GARCH or VECM-GARCH models in R?

I need to estimate a multivariate VECM-GARCH (or simply VAR-GARCH) in R. Browsing on the internet, I did not find anything yet. Do you know if such kind of packages exists? Please, note that a BEKK ...
Hamed's user avatar
  • 41
5 votes
2 answers
158 views

Is there a relation between these two forecasting/estimation approaches?

When learning econometrics I have usually seen stuff from the following perspective: Assume $Y_t = f(X_t) + e_t$, where f is some function of $X_t$ (typically linear). For example, assume $Y_t = X_t *...
applicative_x's user avatar
1 vote
0 answers
239 views

How to decide if the ARCH coefficient is necessary in the GJR-GARCH model?

I did some analysis for CAC 40, the French market benchmark, for the period 2005-2014, and I tried to fit the data with a GJR(1,1) model in MATLAB. Then some warning showed Lower bound ...
Fly_back's user avatar
  • 330
1 vote
1 answer
696 views

Cointegration tests: how do you accurately test the necessity of time trends in the Johansen and Engle-Granger Test?

Is there a correct and up to date procedure? I just run the equation in VEC form and test the significance of the time trends? What are the possible problems that I should be aware of?
John Doe's user avatar
  • 171
5 votes
1 answer
441 views

Comprehensive List of Regime Switching/Change-Point Detection Models

I am looking for a comprehensive list of regime switching/change point models/techniques which can be used to model different regimes / change points in financial time series. What I found so far are: ...
Ueli Hofstetter's user avatar
1 vote
1 answer
297 views

Machine learning to build top 3 price scenarios over n days

I have a time series of closing prices for a given stock. I would like to formulate possible future scenarios for the price. My intention is not to use these "likely" scenarios to take any position. ...
mickG's user avatar
  • 231
1 vote
1 answer
2k views

how can I calculate the factor loading (beta)?

I am writing my Thesis about hedge funds performance measurement and I want to use the seven factor model proposed by Fung & Hsieh (2004). Now, I am struggling to find out how to calculate the ...
srm's user avatar
  • 15
4 votes
1 answer
886 views

rollapply with Arima model: testing for stability of coefficients

I am trying to fit an arima model on a rolling window using rollapply.My aim is to plot a graph of the evolution of the coefficient, plot the error and the standard deviation. well i encountered the ...
Nour's user avatar
  • 83
1 vote
0 answers
180 views

MLE estimate of normal distribution

Probably a naive question. I am quoting this from Greene's econometrics book: "The occasional statement that the properties of the MLE are only optimal in large samples is not true, however. It can ...
Amir Yousefi's user avatar
1 vote
1 answer
226 views

Can you explain me these comments on high frequency data?

I was reading some slides on high frequency data and i came across these statements: data discreetness induces high degree of kurtosis and Non synchronous trading and risk premium are sources (...
Nour's user avatar
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2 votes
0 answers
52 views

What methods - inspired by Haavelmo’s Structural Econometrics - can show that a partial equilibrium model is unreliable? [closed]

According to Spanos 2014 Revisiting Haavelmo's Structural econometrics: Bridging the gap between theory and data Dynamic Stochastic General Equilibrium models are statistically inadequate, in such an ...
Paul Rougieux's user avatar
2 votes
2 answers
732 views

Does unit root stationary imply mean stationary and variance stationary?

Newbie question. I am reading about stationary series and understand that it has many forms: mean stationary variance stationary covariance stationary My question is does unit root stationary imply ...
pavybez's user avatar
  • 31
0 votes
1 answer
2k views

Cointegration results interpretation validation?

Here is how I am interpreting results of a Johansen Cointegration Test and Engel-Granger Test for A and B. The results:(Using matlab) ...
user3126171's user avatar
1 vote
2 answers
565 views

what volatility do we calculate using GARCH model

what volatility do we calculate using GARCH model, Historical vol or Implied vol or Future Vol or Actual vol.
Mr.100's user avatar
  • 11
0 votes
1 answer
574 views

Cobb - Douglas Production Function

let's say that we have complete data on the sample of companies about their capital (K), labor (L) and materials used in the production (M) and the total output of each company. Let's have Cobb-...
Zenga's user avatar
  • 1
6 votes
2 answers
554 views

Which quantitative tools are actually used for hedging energy price and volume risk?

I'm a finance professor and I am looking for someone with actual trading and risk management knowledge within the energy sector who can tell me about pricing and hedging energy (especially electricity ...
TJB's user avatar
  • 161
1 vote
0 answers
37 views

Standard errors clustered along the time dimension in pooled panel logit model

I'm trying to estimate a logit model on pooled panel data set (unit of observation is firm-year). My dependant variable is default indicator and I have several macro variables as independant variables....
Jelena Ivanovic's user avatar
4 votes
2 answers
552 views

Back-testing Value at Risk with a WML investment strategy

I'm currently taking a course in Financial Econometrics and there is a question in the lecture notes regarding back-testing of VaR which I'm have difficulty with. First of all the procedure for back-...
LlamaMan's user avatar
2 votes
1 answer
1k views

HAR-RV, realized GARCH and HEAVY model for realized volatility

I don't have much experience with volatility modeling using intraday data but I'm in the process of collecting 5mins data. Currently I have ~6 months of data. Is it enough to use these models with ...
opt's user avatar
  • 569
1 vote
0 answers
89 views

How to value a portfolio of non-mature consumer loans?

I'm looking for the best way to value a portfolio of consumer loans that have NOT reached maturity and for which I do observe the payment/default history to date? I'm working with a large database of ...
Bobak Digital's user avatar
1 vote
0 answers
717 views

Autoregressive distributed lag models ADL(p,q) howto in preferably matlab (stata/R/python/C# etc)

Could anyone provide me the details of how to determine the lag order of the distributed lags for an ADL(p,q) model in Matlab or another statistical package (and very much preferably in combination ...
BigChief's user avatar
  • 151
1 vote
0 answers
139 views

Max Likelihood via Marquardt Optimisation

I asked a related question here: How to apply Levenberg Marquardt to Max Likelihood Estimation I tried the approach suggested it works for some of the parameters but not the variances. I spoke to ...
Bazman's user avatar
  • 879
0 votes
1 answer
470 views

Combining BHHH and Levenberg Marquardt

I already asked a question related to this here: How to apply Levenberg Marquardt to Max Likelihood Estimation I know understand how Levenberg Marquardt (LM) can be applied to the objective function....
Bazman's user avatar
  • 879
4 votes
1 answer
1k views

How to apply Levenberg Marquardt to Max Likelihood Estimation

In this paper on p315: http://www.ssc.upenn.edu/~fdiebold/papers/paper55/DRAfinal.pdf They explain that they use Levenberg Marquardt (LM) (along with BHHH) to maximize the likelihood. However as I ...
Bazman's user avatar
  • 879
3 votes
5 answers
249 views

economic facts that causes the financial time series to be heavy tailed

When reading a tutorail on extreme value theory, I once meet the following claim ...
user297850's user avatar
1 vote
1 answer
368 views

High correlation will help detect spurious regression over cointegration?

I'm analyzing two financial time series with Johansen method. A high Correlation coefficient using the Pearson method will help me to detect spurious cointegration models to avoid? If this is not ...
David L.'s user avatar
3 votes
2 answers
1k views

How to compare different volatility measures?

I read the Euan Sinclair's book (Volatility trading) in which he suggests different volatility estimators (Close-to-close, Parkinson, Garman-Klass, ...). I am inquiring about what is the best stock ...
Quantopik's user avatar
  • 2,486
2 votes
1 answer
140 views

Econometrics - Testing

If we have a time series of returns and two time series of indicators, how would we test the use of these indicators if they are autocorrelated or nonstationary (VAR Models dont produce significant ...
user7524's user avatar
2 votes
0 answers
94 views

Econometrics - Granger Causality

Suppose we have two time series, if one has autocorrelations and the other is non stationary how do we test whether they Granger cause a returns series?
user7524's user avatar
8 votes
1 answer
1k views

Do intraday volume and volatility share the same properties?

volatility clustering and mean reversion are very well known properties that one could use when trading. Traders, especially in options world, do take realized vol into account (e.g. by forecasting it ...
opt's user avatar
  • 569