In a search for more powerful unit root tests, some researchers have recently proposed accounting for the information contained in the GARCH of the innovations. However, while promising, tests with GARCH are difficult to implement, which has made them quite uncommon in the empirical literature....

This paper examines how commercial banks reacted to the changes in monetary tools in mid-1994, when The Federal Reserve Bank altered its policy by implicitly targeting the Federal Funds Rate (FFR). Prior to 1994, the FFR had a lagged effect on the prime rate that charged commercial banks their...

The aim of this paper is to provide additional evidence on the purchasing power parity empirical fulfilment in a pool of OECD countries. We apply the Harvey et al. (2008) linearity test and the Kruse (2011) nonlinear unit root test. The results point to the fact that the purchasing power parity...