This paper analyses the impact of central bank interven-tions in the inflation targeting regime. The results of empirical stud-ies in this paper show if there is a shock of the exchange rate, which would lead to depreciation of the exchange rate, a central bank may decide to mush instability on...

This study revisits and tests empirically the Portfolio Theory of Inflation (PTI), which analyzes how the effectiveness of macroeconomic policy in open and globally financially integrated economies is influenced by global investor decisions (Bossone, The portfolio theory of inflation and policy...

This paper presents an empirical analysis of the effectiveness of foreign exchange (FX) intervention in Peru, with emphasis on the intervention carried out through derivative instruments. I use two different but related approaches to estimate the impact of these kind of interventions between...

Previous studies have mainly used reports in the financial press to analyze the link between the interventions of the Bank of Japan (BoJ) and exchange rate volatility. We use official intervention data for the period 1993 - 2000 that were released only recently by the BoJ and find that...

This paper uses the variance-ratio-based multiple comparison test and Richardson-Smith's Wald test procedures to test for martingale property of daily exchange rates of seven major currencies vis-a-vis US dollar. To allow for the possibility that exchange rates are not governed by a single...

I show that the prices of the internationally traded crypto-currency bitcoin can be used to estimate a currency's unofficial exchange rate and capital controls at a daily interval. Two important bitcoin features are documented: (1) Bitcoin-based exchange rates approximate the behavior, but not...

In this paper we confront the data with the financial-market folk wisdom that monetary policy is one of the key drivers of nominal exchange rates. Focusing on measures of conventional and unconventional monetary policy, we find that monetary policy surprises and changes in expectations about...

Many countries manipulate the value of their currency or use some form of capital control, yet the data usually used to detect these manipulations are low frequency, expensive, lagged, and potentially mis-measured. I demonstrate that the price data of the internationally traded cryptocurrency...