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Wealth and the Capitalist Spirit 财富与资本主义精神
Pub Date : 2008-06-01 DOI: 10.2139/ssrn.1144342
Johanna L. Francis
The wealth distribution in the U.S. is more unequal than either the income or earnings distribution, a fact current models of saving behavior have difficulty explaining. Using MaxWeber's (1905) idea that individuals may have a 'capitalist spirit', I construct and simulate a model where individuals accumulate wealth for its own sake rather than as deferred consumption. Including capitalist-spirit preferences in a simple life cycle model, with no other modifications, generates a skewness of wealth consistent with that observed in the U.S. economy. Furthermore, capitalist-spirit preferences provide a way to generate decreasing risk aversion with increases in wealth without resorting to idiosyncratic rates of time preference.
美国的财富分配比收入或收入分配更不平等,这是目前的储蓄行为模型难以解释的事实。利用马克斯·韦伯(1905)关于个人可能具有“资本主义精神”的观点,我构建并模拟了一个模型,在这个模型中,个人为了自己的利益而积累财富,而不是作为延迟消费。在一个简单的生命周期模型中包括资本主义精神偏好,不做任何修改,就会产生与美国经济中观察到的一致的财富偏差。此外,资本主义精神偏好提供了一种方法,可以在不诉诸特殊时间偏好率的情况下,随着财富的增加而产生风险厌恶情绪的下降。
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引用次数: 48
Does Hedging Tell the Full Story? Reconciling Differences in US Aggregate and Industry-Level Exchange Rate Risk Premia 对冲说明了全部吗?调和美国总体和行业层面汇率风险溢价的差异
Pub Date : 2008-05-28 DOI: 10.2139/SSRN.1138148
Bill Francis, I. Hasan, Delroy M. Hunter
While the importance of currency movements to industry competitiveness is theoretically well established, there is little evidence that currency risk impacts US industries. Applying a conditional asset-pricing model to 36 US industries, we find that all industries have a significant currency premium that adds about 2.47 percentage points to the cost of equity and accounts for approximately 11.7% of the absolute value of total risk premia. Cross-industry variation in the currency premium is explained by foreign income, industry competitiveness, leverage, liquidity and other industry characteristics, while its time variation is explained by US aggregate foreign trade, monetary policy, growth opportunities and other macro variables. The results indicate that methodological weakness, not hedging, explains the insignificant industry currency risk premium found in previous work, thus resolving the conundrum that the currency risk premium is important at the aggregate stock market level, but not at industry level.
虽然汇率变动对行业竞争力的重要性在理论上已得到充分证实,但几乎没有证据表明汇率风险会影响美国的行业。将有条件资产定价模型应用于36个美国行业,我们发现所有行业都有显著的货币溢价,这使股权成本增加了约2.47个百分点,约占总风险溢价绝对值的11.7%。货币溢价的跨行业变化由外汇收入、行业竞争力、杠杆率、流动性等行业特征解释,而其时间变化由美国对外贸易总额、货币政策、增长机会等宏观变量解释。结果表明,方法上的弱点,而不是套期保值,解释了之前工作中发现的不显著的行业货币风险溢价,从而解决了货币风险溢价在总股票市场水平上很重要,但在行业水平上却不重要的难题。
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引用次数: 28
Government Policy in the Formal and Informal Sectors 正式和非正式部门的政府政策
Pub Date : 2008-05-05 DOI: 10.2139/ssrn.985284
M. Prado
The paper quantitatively investigates, in general equilibrium, the interaction between the firms' choice to operate in the formal or the informal sector and government policy on taxation and enforcement, given a level of regulation. A static version of Ghironi and Melitz’s (2005) industry model is used to show that firms with lower productivity endogenously choose to operate in the informal sector. I use cross-country data on taxes, measures of informality, and measures of regulation (entry and compliance costs, red tape, etc) to back out how high the enforcement levels must be country by country to make the theory match the data. Welfare gains from policy reforms can be fairly large. I find also that welfare gains from reducing regulation are almost twice those computed for the policy reform. Finally, distortions associated with informality account for a factor of 1.5 of the output per capita difference between the richest and the poorest countries.
在一般均衡中,本文定量地研究了企业在正规或非正规部门经营的选择与政府在税收和执法方面的政策之间的相互作用,给定了一定的监管水平。本文采用Ghironi和Melitz(2005)产业模型的静态模型表明,生产率较低的企业会内生地选择在非正规部门经营。我使用了关于税收、非正式性指标和监管指标(准入和合规成本、繁文缛节等)的跨国数据,以证明各国的执法水平必须有多高,才能使理论与数据相匹配。政策改革带来的福利收益可能相当大。我还发现,减少监管带来的福利收益几乎是政策改革所得的两倍。最后,与非正式性有关的扭曲占最富裕国家和最贫穷国家人均产出差异的1.5个因素。
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引用次数: 105
On the Effectiveness of the Federal Reserve's New Liquidity Facilities 论美联储新流动性工具的有效性
Pub Date : 2008-05-01 DOI: 10.2139/ssrn.1136942
Tao Wu
This paper examines the effectiveness of the new liquidity facilities that the Federal Reserve established in response to the recent financial crisis. I develop a no-arbitrage based affine term structure model with default risk and conduct a thorough factor analysis of the counterparty default risk among major financial institutions and the underlying mortgage default risk. The new facilities' effectiveness is examined, by first separately examining their effects in relieving financial institutions' liquidity concerns and reducing the counterparty risk premiums, and then quantifying their overall effects in reducing financial strains in the inter-bank money market. ; Empirical results indicate that the Term Auction Facility (TAF) has a strong effect in reducing financial strains in the inter-bank money market, primarily through relieving financial institutions' liquidity concerns. Heightened uncertainty regarding the macroeconomy, financial markets, and mortgage default risk have significantly raised counterparty risk premiums among financial institutions, but have had little effect on their liquidity premiums. The Term Securities Lending Facility (TSLF) and the Primary Dealer Credit Facility (PDCF), however, are found to have had less discernible effects so far in relieving financial strains in the Libor market. This is consistent with market observations of a weaker interest from primary dealers in participating in the TSLF auctions than banks have shown in tapping the TAF.
本文考察了美联储为应对最近的金融危机而建立的新的流动性工具的有效性。我开发了一个基于无套利的带违约风险仿射期限结构模型,并对主要金融机构之间的交易对手违约风险和潜在的抵押贷款违约风险进行了深入的因素分析。本文首先分别考察了新工具在缓解金融机构流动性担忧和降低交易对手风险溢价方面的效果,然后量化了它们在减轻银行间货币市场金融压力方面的总体效果,从而检验了新工具的有效性。;实证结果表明,期限拍卖工具(TAF)主要通过缓解金融机构的流动性担忧,在减轻银行间货币市场的资金压力方面具有很强的作用。宏观经济、金融市场和抵押贷款违约风险的不确定性加剧,显著提高了金融机构之间的交易对手风险溢价,但对其流动性溢价影响甚微。然而,到目前为止,定期证券借贷工具(TSLF)和一级交易商信贷工具(PDCF)在缓解伦敦银行同业拆借利率(Libor)市场的金融压力方面的效果尚不明显。这与市场观察一致,即一级交易商对参与TSLF拍卖的兴趣低于银行对利用TAF的兴趣。
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引用次数: 49
The Impact of Chinese Monetary Policy Shocks on East Asia 中国货币政策冲击对东亚的影响
Pub Date : 2008-04-25 DOI: 10.2139/ssrn.1139806
T. Kózluk, Aaron N. Mehrotra
We study the effects of Chinese monetary policy shocks on China s major trading partners in East Asia by estimating structural vector autoregressive (SVAR) models for six economies in the region. We find that a monetary expansion in Mainland China leads to an increase in real GDP (temporary) and the price level (permanent) in a number of economies in our sample, most notably in Hong Kong and the Philippines. The impact could result from intertemporal substitution present in a general equilibrium framework which allows for positive domestic impacts of foreign monetary expansions. Our results emphasize the growing importance of China for its neighboring economies and the significance of Chinese shocks for the design of monetary policy in Asian economies. Keywords: monetary policy shocks, Asian production chain, SVAR, East Asia, China, JEL: E52, F42
本文通过对东亚地区六个经济体的结构向量自回归(SVAR)模型进行估计,研究了中国货币政策冲击对中国在东亚主要贸易伙伴的影响。我们发现,在我们的样本中,中国大陆的货币扩张导致实际GDP(暂时)和价格水平(永久)的增加,尤其是在香港和菲律宾。这种影响可能来自一般均衡框架中存在的跨期替代,这种框架允许外国货币扩张对国内产生积极影响。我们的研究结果强调了中国对其周边经济体日益增长的重要性,以及中国冲击对亚洲经济体货币政策设计的重要性。关键词:货币政策冲击,亚洲生产链,SVAR,东亚,中国,JEL: E52, F42
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引用次数: 17
Contagion in Electricity Markets: Does it Exist? 电力市场的传染:存在吗?
Pub Date : 2008-04-24 DOI: 10.2139/ssrn.1124862
C. Bollino, Paolo Polinori
This paper investigates the existence of contagion effects in electricity markets. The concept of contagion has been developed for high frequency financial markets, see the World Bank definition(Word Bank, 2000). Following Pick (2005) and Pesaran - Pick (2007) the paper presents a canonical, econometric model of contagion and investigates the conditions under which contagion can be distinguished from mere interdependence. The theoretical and empirical distinction between contagion and interdependence is based upon precise identification conditions, discussed in the paper. The empirical analysis is based on different regional markets in the Italian Power Exchange (IPX) and we focus only on pure contagion relationship in the IPX at the Italian regional level. This is a novel result in economic literature. The analysis and identification of contagion requires that each individual market equations contains market specific regressors, consequently we have to involve market specific variables in structural equations in order to correctly specify the model. Pesaran - Pick (2007, p. 1266) show that ignoring endogeneity and interdependence can introduce a substantial upward bias in estimation of contagion coefficient. In general, problems of endogeneity requires usage of instrumental variables (IV)estimation and, in agreement with Pick (2005), we obtain consistency by including regional market specific fundamentals. The most important conclusions of this paper are that contagion can be identified separately from interdependence and that effects are asymmetric.
本文研究了电力市场传染效应的存在性。传染的概念已经发展为高频金融市场,见世界银行的定义(世界银行,2000年)。继Pick(2005)和Pesaran - Pick(2007)之后,本文提出了一个典型的传染计量经济学模型,并研究了传染可以与单纯相互依赖区分开来的条件。传染和相互依赖之间的理论和经验区别是基于精确的识别条件,在本文中讨论。实证分析基于意大利电力交易所(IPX)的不同区域市场,我们只关注意大利地区层面IPX的纯传染关系。这是经济学文献中一个新颖的结果。传染的分析和识别需要每个单独的市场方程包含市场特定的回归量,因此我们必须在结构方程中涉及市场特定的变量,以便正确指定模型。Pesaran - Pick (2007, p. 1266)表明,忽略内生性和相互依赖性会在估计传染系数时引入实质性的向上偏差。一般来说,内生性问题需要使用工具变量(IV)估计,并且与Pick(2005)一致,我们通过包括区域市场特定基本面来获得一致性。本文最重要的结论是,传染可以从相互依赖中分离出来,而且影响是不对称的。
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引用次数: 10
The Proportionality Hypothesis in Capital Theory: An Assessment of the Literature 资本理论中的比例假设:文献评价
Pub Date : 2008-04-16 DOI: 10.2139/ssrn.1119528
George C. Bitros
It is found that the hypothesis of a constant replacement investment capital stock ratio has several fundamental shortcomings. It conflicts with most of the available theoretical and empirical evidence. It is alien to researchers in other fields of economics and related areas; and, perhaps most importantly, it has restrained progress in economic theory and econometric applications based on more realistic conceptualizations of the time structure of capital. On these grounds it is concluded that its abandonment is long overdue.
研究发现,恒定重置投资资本存量比的假设存在几个根本性的缺陷。它与大多数现有的理论和经验证据相冲突。这对其他经济学领域和相关领域的研究人员来说是陌生的;而且,也许最重要的是,它限制了基于资本时间结构更现实的概念的经济理论和计量经济学应用的进步。基于这些理由,人们得出结论,它早就应该放弃了。
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引用次数: 1
Aggregate Wealth and Consumption, and the Term Structure of Interest Rates 总财富、消费和利率期限结构
Pub Date : 2008-04-15 DOI: 10.2139/ssrn.1107414
David P. Brown
The equilibrium value of the market portfolio of all assets, i.e. aggregate wealth is calculated within a continuous-time Rubinstein/Lucas model. Aggregate wealth is a function of aggregate consumption and the state of the economy. The exante expected rate of return of the market portfolio varies with economic conditions, and these conditions are revealed by the equilibrium term structure of nominal bond yields and partially revealed by the aggregate consumption-to-wealth ratio cay. Using simulations of quarterly observations, linear regressions of expost excess market returns on predictive variables are studied. The ratio cay in isolation has modest predictive power for excess returns. Similarly, the level and slope of the term structure have modest power as predictors. However, the relation between expected excess return and the underlying state variables is nonlinear and cay picks up this structure. For this reason a multiple regression that includes both cay and the term structure variables captures the nonlinearity and it has considerable predictive power.
所有资产的市场组合的均衡价值,即总财富是在连续时间鲁宾斯坦/卢卡斯模型中计算的。总财富是总消费和经济状况的函数。市场投资组合的扩展预期收益率随经济条件的变化而变化,这些条件由名义债券收益率的均衡期限结构揭示,部分由总消费与财富比揭示。利用季度观测模拟,研究了出口超额市场收益对预测变量的线性回归。单独来看,这一比率对超额回报具有适度的预测能力。同样,期限结构的水平和斜率作为预测指标也有一定的作用。然而,预期超额收益与潜在状态变量之间的关系是非线性的,并且day选择了这种结构。由于这个原因,包括日和期限结构变量的多元回归捕获了非线性,并且具有相当大的预测能力。
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引用次数: 0
On the Optimality of a GCC Monetary Union: Structural VAR, Common Trends, and Common Cycles Evidence 海湾合作委员会货币联盟的最优性:结构VAR、共同趋势和共同周期证据
Pub Date : 2008-04-07 DOI: 10.1111/j.1467-9701.2008.01096.x
Aamer S. Abu-Qarn, Suleiman Abu-Bader
This paper examines the suitability of the proposed monetary union among the members of the Gulf Cooperation Council (GCC). To do so, we identify the underlying structural shocks that these economies are subject to and assess the extent to which the shocks are symmetric. Additionally, we test for common trends and common business cycles among the GCC economies. We find that while the transitory demand shocks are typically symmetric, the permanent supply shocks are asymmetric. Furthermore, we do not find synchronous long-run and short-run movements in output. Despite the progress that has been made in terms of integration, our findings indicate that the conditions for forming a GCC monetary union have not as yet been met.
本文考察了海湾合作委员会(GCC)成员国之间拟议的货币联盟的适用性。为此,我们确定了这些经济体面临的潜在结构性冲击,并评估了这些冲击的对称程度。此外,我们还测试了海湾合作委员会经济体之间的共同趋势和共同商业周期。我们发现,虽然短期需求冲击通常是对称的,但永久供给冲击是不对称的。此外,我们没有发现产出的长期和短期同步运动。尽管在一体化方面取得了进展,但我们的研究结果表明,形成海湾合作委员会货币联盟的条件尚未满足。
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引用次数: 57
Emerging Market Business Cycles Revisited: Learning About the Trend 重新审视新兴市场商业周期:了解趋势
Pub Date : 2008-04-01 DOI: 10.2139/ssrn.1123981
E. Boz, Christian Daude, C. B. Durdu
The data reveal that emerging markets do not differ from developed countries with regards to the variance of permanent TFP shocks relative to transitory. They do differ, however, in the degree of uncertainty agents face when formulating expectations. Based on these observations, we build an equilibrium business cycle model in which the agents cannot perfectly distinguish between the permanent and transitory components of TFP shocks. When formulating expectations, they assign some probability to TFP shocks being permanent even when they are purely transitory. This is sufficient for the model to produce "permanent-like" effects in response to transitory shocks. The imperfect information model calibrated to Mexico predicts a higher variability of consumption relative to output and a strongly negative correlation between the trade balance and output, without the predominance of trend shocks. The same model assuming perfect information and calibrated to Canada accounts for developed country business cycle regularities. The estimated relative variance of trend shocks in these two models is similar.
数据显示,在永久性TFP冲击与暂时性TFP冲击的差异方面,新兴市场与发达国家并无不同。然而,在制定预期时,代理人面临的不确定性程度上,它们确实有所不同。基于这些观察,我们建立了一个均衡商业周期模型,在这个模型中,代理人不能完全区分TFP冲击的永久和短暂成分。在制定预期时,他们认为TFP冲击有可能是永久性的,即使它们纯粹是暂时的。这足以使模型在应对短暂冲击时产生“永久性”效应。针对墨西哥校准的不完全信息模型预测,在趋势冲击不占主导地位的情况下,消费相对于产出的可变性更高,贸易平衡与产出之间存在强烈的负相关关系。同样的模型假设完全信息,并校准到加拿大,说明发达国家的商业周期规律。这两个模型估计的趋势冲击的相对方差是相似的。
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引用次数: 63
期刊
Macroeconomics eJournal
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