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The Effect of Export Activity on Domestic Prices: Evidence from India's Rice Sector 出口活动对国内价格的影响:来自印度稻米部门的证据
Pub Date : 2020-12-04 DOI: 10.2139/ssrn.3783493
Utsav Manjeer
How does export activity affect prices in domestic consumer markets? To explore this questions, I exploit a natural experiment provided by India's rice export restrictions during 2007-2011. I first document that the binding restrictions had a considerable negative impact on producers. However, there is little evidence to suggest that the lower prices transmitted to consumers. To estimate the causal impact of export activity on domestic consumer prices, I use a difference-in-differences framework. I show that, following the imposition of export restrictions, Indian districts with higher exposure to export trade experienced a greater increase in prices paid by consumers in local markets. To measure the intensity of exposure to trade, I use a novel strategy exploiting spatial variation in districts' proximities to export trade routes along India's road network. The estimated price effects are substantial - prices increased by an additional 5 to 6.5 percent in districts exposed to export activity. Further, the impact of export activity on prices is most pronounced for higher-quality products. I illustrate that the presence of strong complementarities between exports and intra-national trade is the main mechanism driving my results. By exploiting synergies with export activity, intra-national trade encounters lower trade costs, which are then translated to lower prices faced by consumers in domestic markets. My findings suggest that promoting export activity could be a means to reduce intra-national trade barriers for large developing economies.
出口活动如何影响国内消费市场的价格?为了探讨这个问题,我利用了2007-2011年印度大米出口限制提供的自然实验。我首先证明,具有约束力的限制对生产者产生了相当大的负面影响。然而,几乎没有证据表明较低的价格会传导给消费者。为了估计出口活动对国内消费者价格的因果影响,我使用了差异中的差异框架。我指出,在实行出口限制之后,受出口贸易影响较大的印度地区,消费者在当地市场支付的价格上涨幅度更大。为了衡量贸易暴露的强度,我采用了一种新颖的策略,利用地区邻近程度的空间变化,沿印度公路网出口贸易路线。估计的价格影响是巨大的——在受出口活动影响的地区,价格又上涨了5%至6.5%。此外,出口活动对高质量产品价格的影响最为明显。我指出,出口与国内贸易之间存在着很强的互补性,这是推动我得出结论的主要机制。通过利用与出口活动的协同作用,国内贸易的贸易成本较低,进而转化为国内市场消费者面临的较低价格。我的研究结果表明,促进出口活动可能是大型发展中经济体减少国内贸易壁垒的一种手段。
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引用次数: 0
On Absolute and Relative Change 论绝对变化和相对变化
Pub Date : 2020-11-30 DOI: 10.2139/ssrn.3739890
Silvan Brauen, Philipp Erpf, Micha Wasem
Based on an axiomatic approach we propose two related novel one-parameter families of indicators of change which put in a relation classical indicators of change such as absolute change, relative change and the log-ratio.
基于一种公理方法,我们提出了两个相关的新的单参数变化指标族,它们将经典的变化指标如绝对变化、相对变化和对数比联系起来。
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引用次数: 2
Common Idiosyncratic Volatility and Carry Trade Returns 共同的特殊波动率和套利交易回报
Pub Date : 2020-11-12 DOI: 10.2139/ssrn.3730582
Cristina Tessari
I provide new evidence that incomplete consumption risk sharing across countries is an important determinant of carry trade returns. I show that there is a strong co-movement in idiosyncratic volatilities over time, and that shocks to the common idiosyncratic volatility (CIV) factor, defined as the equally weighted average of the idiosyncratic volatilities in the cross-section, are priced. I find that high-interest rate currencies deliver low returns when the CIV increases, which are bad times for investors. Low-interest rate currencies provide a hedge by yielding positive returns. CIV shocks remain an empirically powerful risk factor in explaining the cross-section of carry trade returns after controlling for global foreign exchange (FX) volatility risk. Furthermore, CIV risk is correlated with cross-country income risk faced by households. My findings are consistent with a heterogeneous-agent model with persistent, uninsurable idiosyncratic shocks in consumption growth. The calibrated model quantitatively accounts for the cross-sectional differences in average returns across CIV-beta sorted portfolios for plausible market prices of CIV risk.
我提供了新的证据,证明各国之间的不完全消费风险分担是套利交易回报的一个重要决定因素。我表明,随着时间的推移,特殊波动率存在强烈的共同运动,并且对共同特殊波动率(CIV)因素的冲击被定价,CIV被定义为横截面上特殊波动率的等加权平均值。我发现,当CIV上升时,高利率货币带来的回报很低,这对投资者来说是糟糕的时期。低利率货币通过产生正回报提供了一种对冲。在控制了全球外汇波动风险后,CIV冲击仍然是解释套息交易收益横截面的经验上强有力的风险因素。此外,文明风险与家庭面临的跨国收入风险相关。我的发现与消费增长中存在持续的、不可保险的特殊冲击的异质代理模型相一致。校正后的模型定量地解释了在合理的CIV风险市场价格下,CIV-beta排序的投资组合平均收益的横截面差异。
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引用次数: 2
Determination Crisis: Media Effect Applies to Which Type of Aid? Development Aid, Humanitarian Assistance, or Food Aid. 决心危机:媒体效应适用于哪种援助?发展援助、人道主义援助或粮食援助。
Pub Date : 2020-11-01 DOI: 10.2139/ssrn.3808124
S. Nawaz
This paper adds to the growing body of knowledge in media and foreign aid. We aim to determine whether the impact of media-led US aid allocation applies universally to any foreign aid or specific to certain aid types. This paper's contribution is that we created three new media variables and use them to determine the strength of media effect on US Official Development Assistance (ODA), humanitarian assistance, and food aid. We generated the media variables from citations of an aid recipient's events in the four leading US daily newspapers' (the New York Times, the Wall Street Journal, the Washington Post, and the Los Angeles Times) from 1966 to 2014. We used panel data fixed effects estimation technique on a dataset comprising 134 countries to determine the net strength of aid's media effect. Our findings showed that media's impact is ambiguous on the allocation of ODA. We found that the US ODA disbursement is unresponsive to media effect, whereas ODA commitment varies depending on the comparison's context. Media exposure is a critical factor for US humanitarian assistance and food aid disbursements.
本文为媒体与外援的知识体系增添了新的内容。我们的目的是确定媒体主导的美国援助分配的影响是否普遍适用于任何外国援助,还是仅适用于某些援助类型。本文的贡献在于,我们创建了三个新的媒体变量,并用它们来确定媒体对美国官方发展援助(ODA)、人道主义援助和粮食援助的影响程度。我们从1966年至2014年美国四大日报(《纽约时报》、《华尔街日报》、《华盛顿邮报》和《洛杉矶时报》)对受援国事件的引用中生成了媒体变量。我们在包含134个国家的数据集上使用面板数据固定效应估计技术来确定援助媒体效应的净强度。我们的研究结果表明,媒体对官方发展援助分配的影响是模糊的。我们发现,美国的官方发展援助支付对媒体效应没有反应,而官方发展援助承诺则根据比较的背景而变化。媒体曝光是美国人道主义援助和食品援助支出的关键因素。
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引用次数: 0
Return Spillovers Between Currency Factors 货币因素之间的回报溢出效应
Pub Date : 2020-11-01 DOI: 10.2139/ssrn.3728739
T. Trancoso, Sofia Gomes
In this paper we suggest that currency factors carry informational value by disentangling the effect each currency has on exchange rate dynamics. First, we confirm the existence of a geographical factor driving American, European and Pacific exchange rates. Second, we reveal two novel stylized facts: 1) The euro and swiss franc factors are highly correlated and exposed, serving as major channels of shock propagation from and to other currencies; 2) The pound factor and, to some extent, the yen factor are the most secluded in the G10 network and have been net absorbers of spillovers from other currencies. Finally, we show that aggregate currency return spillovers peak in consonance with key economic and financial events.
本文通过对不同货币对汇率动态的影响进行分析,认为货币因素具有信息价值。首先,我们确认了驱动美国、欧洲和太平洋地区汇率的地理因素的存在。其次,我们揭示了两个新的风格化事实:1)欧元和瑞士法郎因素高度相关和暴露,是其他货币之间和之间的冲击传播的主要渠道;2)英镑因素和日元因素(在某种程度上)是G10网络中最隐蔽的因素,它们一直是其他货币溢出效应的净吸收者。最后,我们表明,总货币回报溢出效应与关键的经济和金融事件一致。
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引用次数: 0
How Does the Daily Volatility of Foreign Exchange Rates Depend on the Time of Day at Which the Daily Returns Are Calculated? 外汇汇率的日波动率如何取决于计算日收益的时间?
Pub Date : 2020-07-14 DOI: 10.2139/ssrn.3651344
Małgorzata Doman, R. Doman
In the paper, we show how the estimates of the daily volatility of major exchange rates, EUR/USD, AUD/USD, GBP/USD, and NZD/USD, depend on the hour at which the daily returns are calculated. FOREX market is open 24 hours a day, but traders from different parts of the world, if some local time is fixed, are most active in different times of a day. This is the reason why the dynamics of volatility changes during a trading day. To analyze this feature, we consider daily returns calculated using the exchange rates quoted at each full hour of a day. Volatility (the square root of the conditional variance) is described by means of GARCH models. The approach used enables us to scrutinize changes in the volatility, depending on the hour of a day, which can be useful in risk management. We investigate separately bid and ask prices, so we obtain some results concerning microstructure of the FOREX market as well.
在本文中,我们展示了主要汇率(欧元/美元、澳元/美元、英镑/美元和纽元/美元)的每日波动率是如何依赖于计算每日收益的时间的。外汇市场是24小时开放的,但是如果有固定的当地时间,世界各地的交易者在一天中的不同时间最活跃。这就是波动率在交易日内变化的原因。为了分析这个特征,我们考虑使用一天中每个小时的汇率来计算每日收益。波动性(条件方差的平方根)用GARCH模型来描述。所使用的方法使我们能够根据一天中的时间仔细检查波动性的变化,这在风险管理中是有用的。我们分别调查了买入价和卖出价,因此我们也得到了一些关于外汇市场微观结构的结果。
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引用次数: 3
Structural Change and Global Trade Flows: Does an Emerging Giant Matter? 结构变化与全球贸易流动:新兴大国重要吗?
Pub Date : 2020-06-15 DOI: 10.1111/roie.12486
Benjamin N. Dennis, T. Işcan
In this paper, we develop a novel trade‐accounting framework that is based on a multi‐country, multi‐industry model of trade. The framework links observed changes in wages, sectoral employment shares, total labor force, and bilateral trade costs to changes in bilateral trade values at the sector level. In our application, we quantify the changes in trade patterns from 1995 to 2010 among 15 advanced and emerging market economies attributable to structural change in China, focusing on three manifestations of trade creation and destruction: China’s replacement of manufactured final goods exports to advanced economies at the expense of other economies; an expansion of China’s imports of manufactured final goods and commodities; and an expansion of China’s imports of parts and components that are then processed and exported as manufactured final goods to the advanced economies. Our main findings are: (a) scale effects have more than compensated for the loss of competitiveness due to higher wages in China; (b) China’s wage growth has been an economically more significant determinant of trade creation and destruction than its reallocation of labor across sectors, and (c) structural change in China has shifted other countries toward more commodity‐intensive production.
在本文中,我们开发了一种基于多国家、多行业贸易模型的新型贸易核算框架。该框架将观察到的工资、部门就业份额、总劳动力和双边贸易成本的变化与部门一级双边贸易价值的变化联系起来。在我们的应用中,我们量化了1995 - 2010年15个发达经济体和新兴市场经济体之间的贸易格局变化,这些变化归因于中国的结构性变化,重点关注贸易创造和破坏的三种表现:中国以牺牲其他经济体为代价取代了对发达经济体的制成品出口;扩大中国制成品和商品的进口;扩大中国的零部件进口,然后将其加工成制成品出口到发达经济体。我们的主要发现是:(a)规模效应弥补了中国工资上涨带来的竞争力损失;(b)中国的工资增长在经济上是贸易创造和破坏的重要决定因素,而不是跨部门的劳动力再分配;(c)中国的结构变化已使其他国家转向更多的商品集约化生产。
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引用次数: 0
Determinants of Import Demand in Cote d’Ivoire: The Role of Expenditure Components 科特迪瓦进口需求的决定因素:支出组成部分的作用
Pub Date : 2020-06-12 DOI: 10.31014/aior.1992.03.02.249
Y. Keho
This study examines the relationship between aggregate imports and the individual components of expenditure in Cote d’Ivoire over the period from 1980 to 2017. The autoregressive distributed lag model is used to test and estimate the long and short-run import elasticities with respect to the expenditure components. The study finds evidence of a long-run relationship between aggregate imports, the expenditure components, domestic and import prices. The long-run import demand in Cote d’Ivoire is affected positively by domestic price, negatively by foreign price and positively by all expenditure components except exports which effect is insignificant. Furthermore, there are significant differences in the long and short-run elasticities of imports with respect to the different components of final expenditure. Final consumption expenditure and investment expenditure are among the major determinants of aggregate import demand in the long run. In the short run, all expenditure components are positively related to import growth, with consumption expenditure having the highest effect on import growth. The findings of the study indicate that the use of aggregate expenditure variable in the import demand function leads to aggregation bias because different components of final expenditure have different import contents. We also show that the relative price formulation is inappropriate in estimating import demand function for Cote d’Ivoire.
本研究考察了1980年至2017年期间科特迪瓦总进口与支出各组成部分之间的关系。采用自回归分布滞后模型,检验和估计了长期和短期进口弹性与支出成分的关系。该研究发现了总进口、支出构成、国内和进口价格之间存在长期关系的证据。科特迪瓦的长期进口需求受到国内价格的积极影响,受到外国价格的消极影响,并受到除出口以外的所有支出组成部分的积极影响。此外,相对于最终支出的不同组成部分,进口的长期和短期弹性存在显著差异。最终消费支出和投资支出是长期总进口需求的主要决定因素。在短期内,所有支出构成都与进口增长呈正相关,其中消费支出对进口增长的影响最大。研究结果表明,由于最终支出的不同组成部分具有不同的进口内容,在进口需求函数中使用总支出变量会导致聚集偏差。我们还表明,相对价格公式在估计科特迪瓦进口需求函数时是不合适的。
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引用次数: 0
Blowing Against the Wind? A Narrative Approach to Central Bank Foreign Exchange Intervention 逆风吹?中央银行外汇干预的叙事方法
Pub Date : 2020-06-11 DOI: 10.2139/ssrn.3483895
Alain Naef
Few studies on foreign exchange intervention convincingly address the causal effect of intervention on exchange rates. By using a narrative approach, I address a major issue in the literature: the endogeneity of intraday news which influence the exchange rate alongside central bank operations. Some studies find that interventions work in up to 80% of cases. Yet, by accounting for intraday market moving news, I find that in adverse conditions, the Bank of England managed to influence the exchange rate only in 8% of cases. I use both machine learning and human assessment to confirm the validity of the narrative approach.
很少有关于外汇干预的研究令人信服地解决了干预对汇率的因果效应。通过使用叙事方法,我解决了文献中的一个主要问题:与央行操作一起影响汇率的日内新闻的内生性。一些研究发现,干预措施对高达80%的病例有效。然而,通过对当日市场动态新闻的分析,我发现在不利的情况下,英格兰银行仅在8%的情况下成功地影响了汇率。我使用机器学习和人类评估来确认叙事方法的有效性。
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引用次数: 3
Cross-Border Technology Investments in Recessions 经济衰退中的跨境技术投资
Pub Date : 2020-06-04 DOI: 10.2139/ssrn.3636257
J. Sun, Huanhuan Zheng
Utilizing industry-level foreign direct investment (FDI) from 72 source markets to 122 destination markets between 2003 to 2018, we apply a differences-in-differences approach to evaluate the response of technology FDI to recessions. We find that research and development (R&D) intensive FDI drops when the destination market is in recession and the source market is in a normal state, and recovers to the pre-recession levels when both destination and source markets are in recession. The result is particularly pronounced in deep and long recessions, during the propagation stage of recessions, and in destination markets with stronger intellectual property protection, looser FDI regulation, and higher financial development. These recession impacts are limited to R&D intensive FDI between advanced markets: there is no evidence that R&D intensive FDI from or to emerging markets respond to either destination or source market recessions.
利用2003 - 2018年间72个来源国和122个目的地国的产业级外商直接投资数据,我们采用差异中差异方法评估了科技类外商直接投资对经济衰退的响应。研究发现,当目的市场处于衰退状态、源市场处于正常状态时,研发密集型FDI下降;当目的市场和源市场均处于衰退状态时,研发密集型FDI恢复到衰退前的水平。在深度和长期衰退中,在衰退的传播阶段,以及在知识产权保护力度更大、外国直接投资监管更宽松、金融发展程度更高的目的地市场,这种结果尤为明显。这些衰退的影响仅限于发达市场之间的研发密集型FDI:没有证据表明来自或流向新兴市场的研发密集型FDI会对目的地市场或来源地市场的衰退做出反应。
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引用次数: 0
期刊
Econometric Modeling: International Economics eJournal
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