JEL Classification-JEL:

This paper has four objectives. Firstly, to verify the existence of long-term relationships between the groups of variables analyzed (product, consumption, private investment, public investment, and terms of trade). Secondly, to analyze the role of public and private investment, as well as the...

Some stylized facts for foreign exchange and stock market returns are explored using statistical methods. Formal statistics for testing presence of autocorrelation, asymmetry, and other deviations from normality are applied to these ?nancial returns. Dynamic correlations and di¤erent kernel...

This paper analyzes and distinguishes the role and importance of the shocks related to the aggregate demand and aggregate supply on the behavior of the Peruvian inflation during the period 1997:1-2009:2. We use the methodology based on structural vector autoregressive (SVAR) models using a...

Empirical research indicates that the volatility of stock return time series have long memory. However, it has been demonstrated that short memory processes contaminated with random level shifts can often be confused as being long memory. Often this feature is referred to as spurious long...

The literature has shown that the volatility of Stock and Forex rate market returns shows the characteristic of long memory. Another fact that is shown in the literature is that this feature may be spurious and volatility actually consists of a short memory process contaminated with random level...

We present evidence from Peru that The New Keynesian Phillips Curve, Dynamic IS and Taylor Rule derived by GalÌ and Monacelli (2005) are unstable. The results from methodology of Bai and Perron (2003) suggest that the change of the policy rule (January-2006 and May-2009) induces a break in the...

In a recent paper, Fajardo et al. (2009) propose an alternative semiparametric estimator of the fractional parameter in ARFIMA models which is robust to the presence of additive outliers. The results are very interesting, however, they use samples of 300 or 800 observations which are rarely...

We analyze di¤erent residual-based tests for the null of no cointegration using GLS detrended data. We …nd and simulate the limiting distributions of these statistics when GLS demeaned and GLS detrended data are used. The distributions depend of the number of right-hand side variables, the...

Perron and Rodríguez (2003) claimed that their procedure to detect for additive outliers (Tau-d) is powerful even when we have departures from the unit root case. In this note, we use Monte-Carlo simulations to show that Tau-d is powerful when we have ARFIMA(p; d; q) errors. Using simulations,...