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Modeling the non-Markovian, non-stationary scaling dynamics of financial markets
Modeling the non-Markovian financial markets
2010/11/2
A central problem of Quantitative Finance is that of formulating a probabilistic model of the time evolution of asset prices allowing reliable predictions on their future volatility. As in several nat...
Is the Real Exchange Rate Stationary? The Application of Similar Tests for a Unit Root in the Univariate and Panel Cases
Nonstationarity panel data PPP real exchange rate stationarity
2010/9/7
In this article we show that mean-adjusting panel and univariate time series unit root tests yield similar size when there is no drift. The conclusion of the empirics for Purchasing Power Parity is th...
TESTING FOR REGRESSION COEFFICIENT STABILITY WITH A STATIONARY AR(1) ALTERNATIVE
Regression Coefficient Stability Stationary AR(1) Alternative
2014/3/18
We discuss the problem of testing for constant versus time varying regression coefficients. Our alternative hypothesis allows the coefficients to follow a stationary AR(1) process...