The behavior of intra-daily exchange rates

The behavior of exchange rates is examined as they evolve continuously over time. The data consist of Swiss franc/U.S. dollar rates for nine days during the years 1978–1980 as quoted by a major Swiss dealer operating on the interbank market. Since this market is highly organized, the observations are market prices at the same time. The distributions of relative changes in exchange rates measured over one minute are highly leptokurtic. The normal distribution is rather rapidly approached when the measurement interval is lengthened from one up to ten minutes. Time series analysis reveals that the natural logarithms of exchange rates are adequately described by a random walk, the same stochastic process as has been found for daily, weekly, monthly and quarterly observations. For short time intervals, significant autocorrelations sometimes occur at the first few lags, which are, however, not stable enough over time to form a basis for reliable forecasts.     

人民币汇率变动对我国物价传导效应的分析

本文对汇率传导理论及其效应进行了简要回顾,并在国内外学者研究的基础上,对2005年汇改以来汇率变动对我国价格的传递效应进行实证分析。实证结果表明,汇率变动对国内价格指数存在一定的传递效应,但作用较小,以人民币升值对抗物价上涨并不可行。     

U.S. real exchange rate fluctuations and relative price fluctuations

Traditional theory attributes fluctuations in real exchange rates to changes in the relative price of nontraded goods. This paper studies the relation between the United States’ bilateral real exchange rate and the associated bilateral relative price of nontraded goods for five of its most important trade relationships. We find that this relation depends crucially on the choice of price series used to measure relative prices and on the choice of trade partner. The relation is stronger when we measure relative prices using producer prices rather than consumer prices. The relation is stronger the more important is the trade relationship between the United States and a trade partner. Even in cases where there is a strong relation between the real exchange rate and the relative price of nontraded goods, however, a large fraction of real exchange rate fluctuations is due to deviations from the law of one price for traded goods.     

Prolonged Reserves Accumulation,Credit Booms,Asset Prices and Monetary Policy in Asia

This article examines past evidence of prolonged periods of foreign exchange reserves accumulation in the Asia-Pacific region. Several proxies for this unobserved variable are considered, including a newly proposed one based on a factor model. We focus on identifying periods of prolonged interventions and identify its key macro-financial determinants. Two broad conclusions emerge from the stylized facts and the econometric evidence. First, the best protection against costly reserves accumulation is a more flexible exchange rate. Second, the necessity to accumulate reserves as a bulwark against goods price inflation is misplaced. Instead, there is a strong link between asset price movements and the likelihood of accumulating foreign exchange reserves that are costly. Policy implications are also drawn.     

Import Tariff and Exchange Rate Transmission in a Small Open Economy

ABSTRACT

We present a small open economy DSGE model with internal and external sticky prices in an incomplete exchange rate pass-through environment. Import tariff is included as another variable that affects the law of one price. The model is calibrated for the Brazilian economy, and the responses of endogenous variables to shocks in import tariff, aggregate supply, monetary policy, and foreign interest are analyzed. The long-run effect of the first shock is deterioration in the terms of trade because the exchange rate appreciation following this shock offsets the initial effect of the increase in import tariff.     

Imports under a Foreign Exchange Constraint

To assess proposed macroeconomic adjustment programs, policymakersmust estimate import demand relative to the foreign exchangeavailable. Traditional models estimate import demand as a functionof relative prices (the real exchange rate) and income (grossdomestic product) but omit changes in foreign exchange. In the1980s, however, declines in foreign lending and the terms oftrade and increased debt service costs reduced foreign exchangeavailability in most developing countries and limited importcapacity. In this article two import models are presented which incorporateboth the traditional variables and indicators of import capacity—foreignexchange inflows and international reserves. The first modelassumes that import prices are exogenous, but in the secondmodel import prices are endogenous—allowing for governmentattempts to reduce import demand by increasing the domesticimport price. The models are estimated using data for twenty-onedeveloping countries for 1970–83. The results suggestthat the import model presented here does a better job of explainingimport behavior than do the traditional model (which excludeschanges in foreign exchange) and the Hemphill model (which excludesrelative import prices and income).     

汇率与黄金价格的非对称传递效应——来自全球八大黄金产消地的经验证据

本文构建NARDL模型研究全球八大黄金产消地1990-2019年汇率波动与金价变动的联系.结果表明,长期看,主要黄金消费地印度、美国、土耳其金价对汇率下跌的正响应大于对汇率上升的负响应;主要黄金生产地澳大利亚金价对汇率波动的负向传递效应为正向传递的1.3倍;短期内,黄金供需弹性分化加剧主要产消地之间金价与汇率波动的异质...     

The Distribution of Foreign Exchange Price Changes: Trading Day Effects and Risk Measurement

This study investigates the nature of price changes in a variety of major and minor foreign exchange markets. The results suggest that the log of price changes over one (trading) day intervals seems to follow a non-normal stable distribution function. Different measures of location (and to lesser extent scale) are present for different days of the week. Dollar denominated price changes are high on Mondays and Wednesdays and low on Thursdays and Fridays for all currencies. The Wednesday-Thursday result is consistent with the settlement procedures used in foreign exchange transactions in the dollar. The Friday-Monday result is consistent with an increase in demand for the dollar prior to the weekend.     

Corporate cash flow and stock price exposures to foreign exchange rate risk

This paper estimates the foreign exchange rate exposure of 6917 U.S. nonfinancial firms on the basis of stock prices and corporate cash flows. The results show that several firms are significantly exposed to at least one of the foreign exchange rates Canadian Dollar, Japanese Yen and Euro, and significant exposures are more frequent at longer horizons. The percentage of firms for which stock price and earnings exposures are significantly different is relatively low, though it increases with time horizon. Overall, the impact of exchange rate risk on stock prices and cash flows is similar and determined by a related set of economic factors.     

Non-Linear Predictive Models for Intra-Day Foreign Exchange Trading

Artificial neural networks were used to search for non-linear relations in high- frequency foreign exchange time series. Three years (1985-7) tick-by-tick bid prices for the Swiss franc to the US dollar exchange rate were used in this study as training data to specify predictive models for intra-day trading, which was then tested on the same exchange rate time series in the following year (1988). A simple trading rule was adopted to evaluate the models, which showed statistically significant trading profit under moderate transaction costs. In contrast, a standard linear model did not produce profit with the same training and test data and under the same trading rule and transaction cost assumption. This provides evidence for the non-linear nature of the foreign exchange time series under study.     

The impact of economic news on bond prices: Evidence from the MTS platform

Although there is an extensive literature on the impact of macroeconomic announcements on asset prices, the bond market has received less attention than the foreign exchange and equity markets, even less if we consider the European market. This paper uses high-frequency intra-day data over a three-year period to investigate the impact of regularly scheduled macroeconomic news and monetary policy announcements on the returns of the Italian government bond market, the largest one in the Euro-zone. With respect to the previous papers, we use a much broader set of announcements, 68, and a relatively novel dataset (MTS). We find that 25 news have a significant impact on bond returns and that almost all announcements are incorporated into prices within 20 min from the release.     

Understanding Post‐Euro Law‐of‐One‐Price Deviations

We put together a unique panel of thousands of good‐level prices before and after the euro to compare the determinants and understand the evolution of goods price dispersion across Europe over time. We find that tradeability and nontraded inputs play a significantly smaller role for cross‐country price dispersion after the adoption of the euro, and for Eurozone economies as compared to European Union ones. We then compare the distributions of law‐of‐one‐price (LOP) deviations over time to understand how the degree of integration across European economies changed after the euro. Our tests reveal that the distributions after the euro are typically significantly different from those before, consistent with a greater degree of integration. Utilizing our unique panel data set to trace the location of individual goods in the distribution of LOP deviations, we ask how the price advantage or disadvantage evident in these price distributions evolves over time, and whether goods characteristics play a role for the persistence of these LOP deviations. LOP deviations for these goods are highly correlated over 5‐ or 10‐ year horizons, and correlations remain significantly high over longer horizons. These correlations are greater for homogeneous as compared to differentiated goods and vary across countries. Finally, for most of these European economies and goods, price advantage is typically revealed to be more persistent than price disadvantage.     

Price dynamics in foreign currency futures markets

Nested tests of Samuelson's submartingale and martingale models of price behavior in an efficient futures market find significant autocorrelation at low lags in daily changes of log prices for four of ten currency futures contracts satisfying the assumptions of the statistical tests. Negative serial correlation following large price changes is also found. The analysis controls for bias due to institutional limits on daily price movements. Simulated trading based on out-of-sample forecasts suggests the dependencies probably could be exploited by traders who are members of the futures exchange to earn net profits greatly exceeding buy and hold.     

Are there arbitrage gaps in the UK gilt strips market?

Evidence in financial markets of an opportunity for pure arbitrage, and therefore a violation of the law of one price, is considered an anomaly to be noted. This paper reports an apparent violation of the law of one price between UK government gilts and their separately traded principal and coupon strips over a sample period of nearly 14 years. There are persistent price differences, and hence opportunities for arbitrage, after allowance for the bid-ask spread; the strips package tends to be overpriced in relation to the corresponding gilt. The price differences may, in part, be due to a lack of liquidity and stale prices in the strips market.     

International monetary trade and the law of one price

We endogenize circulation of currencies and price formation in a decentralized trading environment with two countries and two currencies. In equilibrium sellers of homogeneous goods may post prices in the national or also in the foreign currency, given unobservable buyers’ valuations. We prove that, under different monetary regimes, the absence of well integrated international goods markets doesn't necessarily imply a violation of the law of one price. We also illustrate the behavior of prices across regimes characterized by different degrees of monetary integration.     

Locals,foreigners, and multi-market trading of equities: Intraday evidence from Thailand

We study stock market orders and trades in a developing country, Thailand, where foreign ownership limits partially segment local and foreign investors into two distinct markets. Some foreigners forgo voting rights and distributions to trade on the “local board”, while some locals forgo such benefits and pay a price premium to trade on the “foreign board”. Regardless of nationality, these cross-market traders typically submit orders when liquidity is high, fill orders at relatively beneficial prices, exploit patterns in stock prices across markets, display profitable holding-period returns, and enhance price discovery. This suggests that skilled, informed trading that affects market quality does not depend on trader nationality.     

Identification of Asset Price Misalignments on Financial Markets With Extreme Value Theory

This article examines the potential for concurrence of crises and asset price misalignments from equilibrium in the foreign exchange, stock, and government bond markets of three Central European countries and the euro area. Concurrence is understood as the joint occurrence of extreme asset changes and is assessed with a measure of asymptotic tail dependence in the distributions studied. The results reveal a significant potential for the co-alignment of crises in the examined markets. Evidence for co-movements in misalignments from equilibrium is found among all examined stock and exchange rate markets; although it is not apparent in some government bond markets.     

Stochastic dominance statistics for risk averters and risk seekers: an analysis of stock preferences for USA and China

Recent research has found a number of scaling law relationships in foreign exchange data. These relationships, estimated using simple ordinary least squares, can be used to forecast losses in foreign exchange time series from as little as one month’s tick data. We compare the loss forecasts from a new scaling law against six parametric Value at Risk models. Compared to these models, the new scaling law is easier to fit, provides more stable forecasts and is very accurate.     

人民币汇率与我国股价、房价的联动关系研究

近年来,我国人民币汇率形成机制、股票市场和房地产市场发生了巨大变化,人民币汇率和股价、房价之间的信息传导和波动关联备受瞩目。本文采用VAR-MGARCH-BEKK模型,分析了我国人民币汇率、股价和房价之间的联动关系。研究结果表明,从波动的溢出效应来看,人民币汇率的波动率、股票价格的增长率和房地产价格的增长率之间存在非常明显的波动溢出效应;从资产价格的水平影响来看,人民币汇率与股票价格、房地产价格等国内资产价格的水平相关性较弱,而股票价格对房地产价格的影响较明显,并就该结论提出了相关的理论解释和政策建议。     

Locals, foreigners, and multi-market trading of equities: Intraday evidence from Thailand

We study stock market orders and trades in a developing country, Thailand, where foreign ownership limits partially segment local and foreign investors into two distinct markets. Some foreigners forgo voting rights and distributions to trade on the “local board”, while some locals forgo such benefits and pay a price premium to trade on the “foreign board”. Regardless of nationality, these cross-market traders typically submit orders when liquidity is high, fill orders at relatively beneficial prices, exploit patterns in stock prices across markets, display profitable holding-period returns, and enhance price discovery. This suggests that skilled, informed trading that affects market quality does not depend on trader nationality.