This paper applies the programs TRAMO and SEATS to seasonal adjustment of the monthly Consumer Price Index Swiss series. It is shown how the results of the purely automatic procedure can be improved with two simple modifications: one that emerges from the TRAMO-SEATS diagnostics, and another...

By modifying and generalizing the wavelet-based approach of approximately simulating univariate long-memory processes that is available in the literature, we propose a methodology for simulating a bivariate stationary process, whose components exhibit different relationships at different scales....

An interesting approach to economic and financial time series forecasting consists of decomposing an input time series additively into several components, each component capturing the dynamics of a different frequency range. Consequently, each component is modelled and forecasted separately, the...

Percival and Walden (2002) present a wavelet methodology of the least squares estimation of the long memory parameter for fractionally differenced processes. We suggest that the general idea of using wavelets for estimating long memory could be used for the estimation of long memory in time...

Although Armenia itself has a population of only about 3 million, an estimated 8 million Armenians live abroad. In this paper, the size and the sources of remittances to Armenia are first discussed. Then, the appropriate definition of remittances and subsequently present estimates of the...

This Selected Issues Paper on Iran reviews that monetary factors are the main determinants of inflation in the country. Government spending out of oil revenues leads to large liquidity injections that the central bank accommodates owing to its efforts to prevent a significant nominal...

Economic outcomes in Jamaica have fallen short of the authorities’ objectives in recent years. As the government looks to reinvigorate its growth and debt reduction strategy, it is instructive to examine how exogenous shocks and other unanticipated developments can affect economic...

Uruguay has experienced a remarkable recovery since the 2002 crisis, supported by sound policies and favorable external conditions. With the framework put in place in 2002, Uruguay abandoned an exchange rate peg in favor of a free float, adoped a monetary regime initially based on money targets,...

We show the importance of a dynamic aggregation bias in accounting for the PPP puzzle. We prove that established time-series and panel methods substantially exaggerate the persistence of real exchange rates because of heterogeneity in the dynamics of disaggregated relative prices. When...