人民币实际有效汇率的分解和马歇尔—勒纳条件的修正

马歇尔-勒纳条件是探讨货币贬值改善贸易收支的规律,本文根据人民币实际有效汇率的特点,把它分解为美元有效汇率和人民币对美元汇率之积形式,在此基础之上,本文重新考察货币贬值改善贸易收支的条件,对传统的马歇尔-勒纳条件进行修正。从我们研究中可以看出美元实际有效汇率变化对马歇尔-勒纳条件修正的重要作用,这包括美元有效汇率对人民币汇率弹性和人民币在美元有效汇率中的权重的两种影响。另一方面,即使人民币实际有效汇率贬值存在“J”曲线效应,人民币对美元实际汇率贬值,“J”曲线是否存在还要依赖一定的条件。本文实证研究结果显示出口（或进口）与人民币对美元实际汇率、美元实际有效汇率指数和外国收入（或国内收入）之间存在着显著的协整关系,美元实际有效汇率和人民币对美元实际汇率也存在显著的协整关系。从弹性的变化来看,修正的马歇尔-勒纳条件成立,同时人民币对美元实际汇率贬值有利于改善贸易收支,美元实际有效汇率贬值会恶化中国贸易收支。而对“J”曲线效应的实证研究显示无论是人民币实际有效汇率,还是人民币对美元实际汇率贬值和美元实际有效汇率贬值,我国“J”曲线效应均不显著。     

A deterministic analysis of change in international unit labor costs: Import implications for US industry

United States industry faces an import threat in the domestic market because foreign exporters achieve lower growth in their unit labor dollar cost. A deterministic analysis of the sources of change over the decade 1974–84 shows that although most foreign trade partners experienced a higher rate of growth in hourly labor compensation than the United States, they discounted this cost disadvantage by achieving more than offsetting cost reductions from growth in labor productivity and in the foreign currency to US dollar exchange rate.     

The transmission of US economic policy uncertainty shocks to Asian and global financial markets

This paper proposes a novel approach to investigating the spillover effects of US economic policy uncertainty shocks on the global financial markets. Employing a factor-augmented vector autoregression (FAVAR), we model US economic policy uncertainty jointly with the latent factors extracted from equity prices, exchange rates, and commodity prices. We find that US economic policy uncertainty affects these factors significantly. A country-level analysis shows heterogeneous responses to an increase in US economic policy uncertainty. With regard to equities, US economic policy uncertainty adversely affects equity prices. However, its impact on the Chinese equity market is relatively small. As for foreign exchange markets, while many currencies depreciate in response to an increase in US economic policy uncertainty, the US dollar and the Japanese yen appreciate, reflecting their safe-haven status. The Chinese yuan, whose nominal exchange rate is closely linked to the US dollar, also appreciates in response to uncertainty shocks.     

Did China diversify its foreign reserves?

This paper takes a novel approach to detect the latent currency portfolio of Chinese foreign exchange reserves and the underlying portfolio management strategies during 2000 and 2007. Based on a portfolio accounting identity and the budget constraint of the Chinese central bank's holding of foreign assets, the monthly growth rate of reserves can be decomposed into monthly rate of return, valuation effects of exchange rates, and monthly net purchase rate. The valuation effect reveals the value share of each currency. Bayesian inference is adopted to estimate the state‐space model with a mixture of Gaussian distributions. The results show that China significantly and dramatically diversified its reserves out of the US dollar in 2002: both the euro's value and quantity shares increased from 5% to more than 20%. By the end of 2007, China held about (at most) 67.3% of its reserves in the US dollar, 22% in the euro, 2.5% in the Japanese yen, 4.7% in the Australian dollar, and 3.5% in the British pound. The average annual rate of return was about 3%. Copyright © 2011 John Wiley & Sons, Ltd.     

人民币汇率变动研究——基于人民币对美元和非美元货币汇率的分析

目前随着美元币值的变化,人民币对美元小幅贬值或升值,但人民币对非美元货币的贬值或升值则往往相反,这种变化使得我们对人民币币值的变化难以把握.本文研究人民币对美元和非美元汇率变动,并在此基础上研究人民币有效汇率指数变化;根据人民币有效汇率指数,构建人民币核心汇率指数并分析其变动及意义.本文认为,人民币汇率目标主要侧重于人民币对美元汇率,而人民币对非美元货币汇率波动有更大的弹性,因此,如果央行以人民币有效汇率为目标,则能够确定每天人民币对美元汇率的中间价,真正建立人民币参考一篮子货币的汇率目标.     

The euro and developing country finance: A survey

More than eight years after the introduction of the euro, impacts on developing countries have been relatively modest. Overall, the euro has become much more important in debt issuance than in official foreign exchange reserve holdings. The former has benefited from the creation of a large set of investors for which the euro is the home currency, while demand for euro reserves has been held back by the dominance of the dollar as a vehicle and intervention currency, and the greater liquidity of the market for US treasury securities. Fears of further dollar decline may fuel some shifts out of dollars into euros, however, with the potential for a period of financial instability.     

COMMENTS ON ‘THE GLOBAL IMBALANCES: WHAT IS THE PROBLEM?’, THE 2007 WINCOTT LECTURE,GIVEN BY MAX CORDEN

The view that the United States will be able to run significant deficits for a long time is convincing. However, the proposition that it makes sense for foreigners to invest in the USA because of the high returns is questionable. The value of their US assets is at risk from dollar depreciation, inflation and government sequestration. Accordingly, there is a danger that foreign investors will cut and run, causing a brutal and swift adjustment.     

分形市场中的汇率协整关系

本文将混沌与分形运用到汇率研究中,运用R/S方法研究了外汇收益率的长记忆性,并将传统的协整理论推广到广义的分数维协整,研究了时间序列之间的长期均衡关系,并以外汇市场中的欧元和新加坡元兑美元的汇率为例进行了实证分析,指出这两种货币收益率服从分形分布,具有相同的分整阶数且二者存在分数维协整关系。     

Jump probability using volatility periodicity filters in US Dollar/Euro exchange rates

The discrete daily and intraday jump probabilities of US dollar/euro returns from February 2010 to February 2018 are analyzed using five-minute returns considering several periodicity filters of volatility. When the max outlying statistics are used with Gumbel distribution with periodicity filters such as weighted standard deviation, shortest half scale, and median absolute deviation, the empirical estimates show that the five-minute US dollar/euro returns have lower daily jump probabilities by 13–28% at common critical levels. To detect intraday jumps using the max outlying Gumbel jump statistics, the five-minute US dollar/euro returns have lower daily jump probabilities by 2–10% when the periodicity filters are included at common critical levels. Therefore, when the periodicity filters of volatility are considered, the five-minute US dollar/euro returns have significantly lower daily and intraday jump probabilities than when the periodicity filters are not considered.     

Asymmetric Foreign Currency Exposures and Derivatives Use: Evidence from France

This paper provides evidence on the asymmetric sensitivity of stock returns of French firms to exchange rate risk and the effect of foreign currency (FC) derivative use in alleviating this risk. The results show that FC exposure is frequently asymmetric and differs with respect to the US dollar (USD) and non‐USD currencies. Cross sectional analysis provides evidence that FC derivatives use has a significant effect on reducing FC exposure to appreciations and depreciations of non‐USD currencies and depreciations of the USD, but not to appreciations of the USD.     

日元升值对人民币汇率改革的启示

人民币目前的状况与1985年的日元很相像,长时期高速发展的经济、持续对美国的贸易顺差、快速累积的高额美元储备、美国的双赤字恶化、美元持续走低的压力、相似的低利率、来自美国的外部压力、货币的持续升值等。因此,有必要研究日元升值的背景和影响,对人民币汇率改革提供借鉴和启示。     

Why ‘King dollar’ is reigning supreme

• ▀ After a pause in late 2017 and early 2018, the dollar has resumed its rise. Our analysis suggests the long-term factors influencing the dollar are likely to remain supportive in 2020, ebbing only in 2021.
• ▀ Alongside positive interest rate differentials, several key factors explain the recent dollar strength including relatively strong economic growth, a contained external deficit and significant equity market outperformance.
• ▀ Over 2018–2019 US growth has been faster than the rest of the G7, which suffered more downside surprises this year. Meanwhile, the deterioration in the US external deficit was less than expected, despite the Trump fiscal stimulus.
• ▀ The massive improvement in the US oil balance over recent years looks like an important long-term structural support for the dollar. It allows the US to grow faster and have a stronger currency than would otherwise have been the case.
• ▀ The dollar is also supported by its still-dominant position in global financial markets. Recent talk of ‘de-dollarisation’ looks to be largely hype - the dollar's share of cross-border transactions, trade invoicing, and FX reserves is high and either stable or rising.
• ▀ The conditions necessary to create another dollar bear market like that in 2002–2008 may be hard to reproduce. A period of relative underperformance in US stocks is conceivable, but the 2002–2008 period also featured large US basic balance of payments deficits and persistently negative long-term real yield differentials, which look less likely to materialise.

     

The Value Relevance of Accounting Information during a Financial Crisis: Thailand and the 1997 Decline in the Value of the Baht

This study addresses whether the financial turmoil surrounding the devaluation of the baht affected the value relevance of Thai accounting information. Our results suggest a decline in the value relevance of Thai book values and earnings following the devaluation. Prior to mid 1997 the Bank of Thailand pegged the value of the baht to a basket of currencies of which 80% was weighted to the US dollar. In response to pressure by currency speculators the bank abandoned its peg on July 2 1997 in favor of a managed float. The devaluation was followed by volatile exchange rates. The change in value relevance of accounting information after the devaluation may be attributable to the initial recognition of foreign exchange losses and the subsequent recognition of foreign exchange gains as exchange rates fell and then recovered.     

A long dollar fall: likelihood and consequences

• ? The dollar has tended to move in long swings over the last forty years, raising the risk that the recent decline could extend considerably further. This is not our base case, but risks do look skewed towards additional dollar weakness. Our modelling work suggests that a large further dollar slide would have significant effects on the pattern of world growth – the US and some emerging markets would gain, with other advanced economies the main losers.
• ? There have been several large multi‐year swings in the dollar over the last four decades. We identify seven such episodes since 1971 including three long declines averaging 31%, the last being in 2002‐08. Since 2017 the dollar has fallen 10%, implying a possible further considerable drop.
• ? Our dollar strength indicator, which covers a range of economic variables associated with dollar moves in the past, does not currently point to a re‐run of the dollar weakness of the 2000s. But we do expect some further near‐term dollar losses and risks to our baseline forecast look skewed to the downside, especially given the emergence of large twin deficits in the US.
• ? Should a further large dollar slump nevertheless occur, our modelling suggests large effects on the pattern of world growth. The main gainers would be commodity‐producing emerging markets (EM) benefitting from improved terms of trade, positive balance sheet and external liquidity effects and scope to ease local interest rates. Rising US yields would erode some of these gains in later years.
• ? The main initial losers would be advanced economies outside the US which would lose competitiveness. In the case of the Eurozone and Japan, undershoots of inflation targets would be likely. There could also be some other negative consequences such as stoking protectionism and creating financial bubbles in some EMs.

     

Oil prices,stock returns,and exchange rates: Empirical evidence from China and the United States

Employing the diagonal BEKK model as well as the dynamic impulse response functions, this study investigates the time-varying trilateral relationships among real oil prices, exchange rate changes, and stock market returns in China and the U.S. from February 1991 to December 2015. We highlight several key observations: (i) oil prices respond positively and significantly to aggregate demand shocks; (ii) positive oil supply shocks adversely and significantly affect the Chinese stock market; (iii) oil price shocks persistently and significantly impact the trade-weighted US dollar index negatively; (iv) the US and China stock markets correlate positively just as the dollar index and the exchange rate does; (v) a significant parallel inverse relation exists between the US stock market and the dollar and between the China stock market and the exchange rate; and (vi) the Chinese stock market is more volatile and responsive to aggregate demand and oil price shocks than the US stock market in recent years.     

The Rise and Rise and Fall and Fall of the Dollar

Has the dollar finally come to rest? Nigel Healey of the Policy Research Unit of Leeds Polytechnic examines the recent history of the dollar in the foreign exchange markets.     

Spot and forward exchange rates as predictors of future spot rates: trends in exchange market value and the contribution of new information

This study investigates whether or not new information affects the predictive capability of forward and spot foreign exchange rates symmetrically during periods of rising as opposed to falling currency values. Statistically significant different intercept and slope coefficients are found between the periods of U.S. dollar appreciation and U.S. dollar depreciation. Further, the predictive ability of the two models differs between opposite trends in foreign exchange values.     

越南外资汪洋中的一条船

本币大幅贬值、国民财富被洗劫、经济发展倒退,越南不过重复了此前数个新兴经济体的起落路线全球化的恩惠与诅咒,是一个硬币的两面     

World Economic Prospects

Overview: Dollar surge brings mixed consequences

• The strengthening dollar is now becoming a significant factor for global growth and our forecasts. The tradeweighted dollar is up 2.5% over the last month and over 12% on a year ago.
• Driving the latest rise are growing expectations of US rate hikes while monetary policy in many other major economies is headed in the opposite direction.
• The beginning of ECB QE has prompted a further slide in bond yields and the euro – which at 1.06/US$ is on course to fulfill our forecast of near‐parity by year‐end. Weak data in Japan also raises the chance of a further expansion of QE there later this year.
• We remain relatively positive about the advanced economies: we forecast G7 GDP growth at 2.2% for 2015 and 2.3% next. This month we have revised up German growth for 2015 to 2.4% – a four‐year high.
• Robust US growth and a strong dollar are good news for the advanced economies. US import volume growth firmed to over 5% on the year in January, while the dollar surge potentially boosts the share of other advanced countries in this growing market.
• But for the emerging economies the picture is mixed. A stronger US may boost exports, but rising US rates are pulling capital away: there has been a slump in portfolio inflows into emergers in recent months. Emerging growth may also suffer from higher costs of dollar funding and a rising burden of dollar debt as currencies soften – the more so if US rates rise faster than markets expect.
• Moreover, emergers are also under pressure from a slowing China. Chinese import growth has been weak of late and commodity prices remain under downward pressure. A notable casualty has been Brazil, which we have downgraded again this month – GDP is expected to slump 1.1% this year.
• Emerging GDP growth overall is expected to slip to 3.7% this year, the lowest since 2009. And excluding China, emerging growth will be only 2.2% – the same as the G7 and the worst performance relative to the advanced economies since 1999.

     

It is not a flat world after all: Tax repatriation costs and cash value

US corporations have accumulated record‐high amounts of cash, and most of it is trapped in foreign accounts. This study tests the hypothesis that the marginal value of cash decreases in the presence of tax repatriation costs, as these costs are a strong indication that part of the cash is trapped abroad. Cash abroad is not readily available to the company because it is subject to an additional layer of tax before it can be used or distributed. Moreover, uncertainty surrounds the potential use of foreign cash, and research documents that firms holding high amounts of cash abroad are likely to invest in negative net present value activities. Finally, possible changes in tax regulation are an additional source of uncertainty. Consequently, foreign cash should be worth less than domestic cash. Using a large sample of US firms drawn from COMPUSTAT during the 1991–2012 period, the analysis suggests that shareholders value an extra dollar of cash at $1.086. However, this result changes dramatically when the change in cash is interacted with the tax cost of repatriating the earnings. That is, the marginal value of cash decreases significantly in the presence of tax repatriation costs, and shareholders discount cash when it is likely to be held abroad. This study contributes to the literature on cash holding by investigating whether tax repatriation costs affect the value of corporate cash. Moreover, the findings show that there are important economic consequences linked to the phenomenon of cash accumulation in foreign countries and therefore provide regulators with a sound foundation on which to take additional actions to require more disclosure of and transparency in the actual location of firms’ cash holdings.