# impulse response

(redirected from Impulse response function)
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## impulse response

[′im‚pəls ri‚späns]
(control systems)
The response of a system to an impulse which differs from zero for an infinitesimal time, but whose integral over time is unity; this impulse may be represented mathematically by a Dirac delta function.
References in periodicals archive ?
Therefore, the impulse response function (IRF) directly gives the value of required fiscal multipliers in spite of elasticities.
Impulse response functions are good at providing direction and significance but offer little sense of the magnitude of the changes being observed.
Then impulse response function is used for surveying the effects of shocks of exchange index on the growth rate of value added of agriculture sector.
We describe in the following how to approach this issue for the case of impulse response functions, which are key objects in the toolkits of time series econometricians.
3) is the long term elasticity, which is obtained directly from an accumulated impulse response function against each sector; which measures the accumulated change in growth rate of different variables.
General impulse response functions are also employed to forecast house price levels.
The impulse response functions suggest a cyclical behavior of premiums, with a length for the cycle component of about 8 years.
The impulse response function demonstrating the effect of a shock to [DELTA][VIX] on [R.
Accordingly, to generate impulse response functions and time-series comparable to those under linear methods, we can find the stochastic steady state by numerical simulation and then introduce shocks to generate time-series or impulse responses relative to the stochastic steady-state values.
VAR models use impulse response function to depict an endogenous variable's response to a unit change of another endogenous variable, and provide the information on the direction of response, the lags of adjustment, and the stabilization process.
We analyzed the impulse response function for emphasizing the impact of the effect of reverse repo rate on one year G-secs rate.
The impulse response function for nonrevolving consumer loans after 1983 is positive for up to 2 yr, with the conditional confidence bands statistically significant up to that point as well (although the traditional SE bands show weak statistical significance).

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