This article first reviews methods of foreign exchange intervention and then presents evidence - focusing on survey results - on the mechanics of such intervention. Types of intervention, instruments, timing, amounts, motivation, secrecy and perceptions of efficacy are discussed.

Most intervention studies have been silent on the assumed structure of the economic system—implicitly imposing implausible assumptions—despite the fact that inference depends crucially on such issues. This paper identifies the cross-effects of intervention and the level of exchange rates...

This article reviews, evaluates, and links research that studies foreign exchange volatility reaction to macro announcements. Scheduled and unscheduled news typically raises volatility for about an hour and often causes price discontinuities or jumps. News contributes substantially to volatility...

The adaptive markets hypothesis posits that trading strategies evolve as traders adapt their behavior to changing circumstances. This paper studies the evolution of trading strategies for a hypothetical trader who chooses portfolios from foreign exchange (forex) technical rules in major and...

Characterizing asset price volatility is an important goal for financial economists. The literature has shown that variables that proxy for the information arrival process can help explain and/or forecast volatility. Unfortunately, however, obtaining good measures of volume and/or order flow is...

This chapter reviews the rapid advances in foreign exchange volatility modeling made in the last three decades. Academic researchers have sought to fit the three major characteristics of foreign exchange volatility: intraday periodicity, autocorrelation and discontinuities in prices. Early...

In response to volatile market conditions, the G-7 financial authorities announced late on March 17 that they would jointly intervene the next day to reduce the value of the yen, citing concerns about “excess volatility and disorderly movements.” The yen immediately depreciated and traded...

This paper merges the literature on technical trading rules with the literature on Markov switching to develop economically useful trading rules. The Markov models' out-of sample, excess returns modestly exceed those of standard technical rules and are profitable over the most recent subsample....

This paper argues that major governments should actively manage their foreign exchange portfolios to maximize the risk-adjusted return to the taxpayer by exploiting long-term, fundamental based predictability in floating exchange rates. Such transactions—equivalent to foreign exchange...

Using genetic programming techniques to find technical trading rules, we find strong evidence of economically significant out-of-sample excess returns to those rules for each of six exchange rates, over the period 1981-1995. Further, when the dollar/deutschemark rules are allowed to determine...