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Consumer Welfare in the Digital Economy 数字经济中的消费者福利
Pub Date : 2020-11-11 DOI: 10.2139/ssrn.3733700
A. Collis
Digital goods generate a large amount of consumer welfare but these welfare gains are not properly measured in existing macroeconomic measures. This chapter summarizes existing research on measuring consumer welfare from digital goods. Recent research suggests that massive online choice experiments could be used to measure welfare gains from digital goods in a scalable manner. These estimates can be used to construct macro-economic welfare measures such as GDP-B that better reflect the reality in the digital economy. However, digital goods need not contribute to improved subjective well-being.
数字产品产生了大量的消费者福利,但这些福利收益在现有的宏观经济措施中没有得到适当的衡量。本章总结了从数字商品衡量消费者福利的现有研究。最近的研究表明,大规模的在线选择实验可以用一种可扩展的方式来衡量数字商品带来的福利收益。这些估计可以用来构建宏观经济福利指标,如GDP-B,更好地反映数字经济中的现实。然而,数字产品不一定有助于提高主观幸福感。
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引用次数: 1
Nowcasting GDP and its Components in a Data-Rich Environment: The Merits of the Indirect Approach 在数据丰富的环境下预测GDP及其组成部分:间接方法的优点
Pub Date : 2020-05-29 DOI: 10.2139/ssrn.3614110
A. Giovannelli, Ambra Citton, Cristian Tegami, Tommaso Proietti, O. Ricchi, Cristina Tinti
The national accounts provide a coherent and exaustive description of the current state of the economy, but are available at the quarterly frequency and are released with a nonignorable publication lag. The paper proposes and illustrates a method for nowcasting and forecasting the sixteen main components of Gross Domestic Product (GDP) by output and expenditure type at the monthly frequency, using a high-dimensional set of monthly economic indicators spanning the space of the common macroeconomic and financial factors. The projection on the common space is carried out by combining the individual nowcasts and forecasts arising from all possible bivariate models of the unobserved monthly GDP component and the observed monthly indicator. We discuss several pooling strategies and we select the one showing the best predictive performance according to a pseudo real time forecasting experiment. Monthly GDP can be indirectly estimated by the contemporaneous aggregation of the value added of the different industries and of the expenditure components. This enables the comparative assessment of the indirect nowcasts and forecasts vis-a-vis the direct approach and a growth accounting exercise. Our approach meets the challenges posed by the dimensionality, since it can handle a large number of time series with a complexity that increases linearly with the cross-sectional dimension, while retaining the essential heterogeneity of the information about the macroeconomy. The application to the Italian case leads to several interesting discoveries concerning the time-varying predictive content of the information carried by the monthly indicators.
国民经济核算提供了对当前经济状况的连贯和详尽的描述,但每季度提供一次,并且发布时有不可忽视的出版滞后。本文提出并说明了一种方法,利用一套高维的月度经济指标,跨越共同宏观经济和金融因素的空间,按产出和支出类型按月预测国内生产总值(GDP)的16个主要组成部分。对共同空间的预测是通过结合个人的临近预测和所有可能的二元模型的预测来进行的,这些模型是由未观察到的月度国内生产总值组成部分和观察到的月度指标组成的。讨论了几种池化策略,并通过伪实时预测实验选择了预测性能最好的池化策略。每月GDP可以通过不同行业的增加值和支出组成部分的同期总和来间接估计。这样就可以对间接的临近预测和预测与直接方法和增长核算进行比较评估。我们的方法满足了维度带来的挑战,因为它可以处理大量的时间序列,其复杂性随着横截面维度线性增加,同时保留了宏观经济信息的本质异质性。对意大利情况的应用导致了几个有趣的发现,涉及每月指标所载信息的时变预测内容。
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引用次数: 7
Nowcasting the Spanish Economy Using Very High Frequency Tax Data 利用甚高频税收数据预测西班牙经济
Pub Date : 2020-04-29 DOI: 10.2139/ssrn.3589467
Ángel Cuevas, Ramiro Ledo, Enrique M. Quilis
We present a short-term forecasting model based on tax data. The model combines daily information from the Immediate Supply of Information System for VAT declaration forms, with monthly indicators derived from tax data. The model uses the GDP as a macroeconomic synthesis. The model combines signal extraction and forecasting at the daily frequency, by means of an unobserved components model, with a mixed frequency (monthly-quarterly) dynamic factor analysis for GDP now-casting and forecasting. The daily information, plus the flexibility and efficiency of the factor models, allows a permanently updated monitoring of the short-term economic conditions of the Spanish economy.
我们提出了一个基于税收数据的短期预测模型。该模型结合了来自增值税申报表即时信息系统的每日信息,以及来自税务数据的月度指标。该模型使用GDP作为宏观经济综合指标。该模型结合了每日频率的信号提取和预测,通过一个未观察到的成分模型,与混合频率(月-季度)动态因素分析的GDP现在铸造和预测。每日信息,加上因素模型的灵活性和效率,允许对西班牙经济的短期经济状况进行永久更新的监测。
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引用次数: 0
Off to a Good Start: The NBER and the Measurement of National Income 开个好头:国家经济研究局和国民收入的测算
Pub Date : 2020-03-01 DOI: 10.3386/w26895
H. Rockoff
The creation of the National Bureau of Economic Research was a response to the bitter controversies over the distribution of income that roiled the United States during the Progressive Era. Thanks to Malcolm Rorty, a business economist, and Nahum I. Stone, an independent socialist economist, a “Committee on the Distribution of Income” was created; what might be considered the first name of the Bureau. Funding was secured, the Bureau was chartered in 1920, and Wesley Mitchell was appointed the director of research. The Bureau’s first publication, Income in the United States, its Amount and Distribution was widely hailed as a major contribution. Further estimates of national income and its distribution for the 1920s were made by Willford King and Lillian Epstein. The Great Depression led to legislation requiring federal government estimates. Simon Kuznets was seconded from the Bureau to the Commerce Department where he led the team that produced the first federal estimates and established the unit for producing updates. The early investigators at the Bureau proved to be masters of combining sources of data to produce credible estimates. The result was estimates that still underlie our understanding of the growth and fluctuations of the American Economy.
国家经济研究局(National Bureau of Economic Research)的成立是对进步时代困扰美国的关于收入分配的激烈争论的回应。多亏了商业经济学家马尔科姆·罗蒂(Malcolm Rorty)和独立的社会主义经济学家纳胡姆·i·斯通(Nahum I. Stone),“收入分配委员会”成立了;这可能被认为是该局的名字。资金有了保障,1920年成立了研究局,韦斯利·米切尔被任命为研究部主任。该局的第一份出版物《美国收入、其数额和分配》被广泛认为是一项重大贡献。wilford King和Lillian Epstein进一步估计了20世纪20年代的国民收入及其分配。大萧条导致立法要求联邦政府进行估算。西蒙·库兹涅茨从联邦调查局借调到商务部,在那里他领导的团队制作了第一份联邦预算,并建立了更新部门。事实证明,该局早期的调查人员是综合各种数据来源得出可信估计的高手。其结果是,我们对美国经济增长和波动的理解仍以这些估计为基础。
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引用次数: 1
Measuring the Impact of Free Goods on Real Household Consumption 衡量免费商品对实际家庭消费的影响
Pub Date : 2020-01-10 DOI: 10.31235/osf.io/gnd4c
E. Brynjolfsson, A. Collis, Erwin Diewert, Felix Eggers, Kevin J. Fox
We suggest a methodology that allows statistical agencies to form approximations to the benefits that flow to households from new free goods. The present production-oriented GDP measures are not satisfactory for measuring real household consumption and will be increasingly inaccurate as free goods, such as those made possible by the digital revolution, become more important. Advertising expenditures are not an adequate substitute for measuring the benefits of new goods to the household sector. Instead, we need to draw on estimates such as those provided by choice experiments.
我们建议采用一种方法,使统计机构能够对家庭从新的免费商品中获得的利益形成近似。目前以生产为导向的GDP衡量方法不能令人满意地衡量实际家庭消费,而且随着免费商品(比如那些因数字革命而成为可能的商品)变得越来越重要,这种方法将越来越不准确。广告支出不足以代替衡量新商品对家庭部门的好处。相反,我们需要利用诸如选择实验提供的估计。
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引用次数: 21
Outward Foreign Direct Investment Patterns of Italian Firms in the European Union's Emission Trading Scheme 意大利企业在欧盟排放交易计划中的对外直接投资模式
Pub Date : 2020-01-01 DOI: 10.1111/sjoe.12323
S. Borghesi, C. Franco, Giovanni Marin
We consider the role played by the European Union's Emissions Trading System (EU ETS) as a possible driver of outward foreign direct investment (FDI) for Italian manufacturing firms. Using a panel dataset of about 22,000 firms covering the first two phases of the EU ETS and the period before the EU ETS, we measure the patterns of FDI towards countries not covered by the EU ETS. The results show that the EU ETS had a weak effect on the number of new subsidiaries abroad (extensive margin), while it had a larger impact on production taking place in foreign subsidiaries (intensive margin), especially in trade‐intensive sectors.
我们认为欧盟排放交易体系(EU ETS)可能会推动意大利制造业企业的对外直接投资(FDI)。使用涵盖EU ETS前两个阶段和之前时期的约22,000家公司的面板数据集,我们衡量了未被EU ETS覆盖的国家的外国直接投资模式。结果表明,欧盟排放交易体系对海外新子公司的数量(粗放型边际)影响较弱,而对海外子公司的生产(集约型边际)影响较大,尤其是在贸易密集型行业。
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引用次数: 30
A Century of Gaps: Where TFP Goes, Potential Follows 一个世纪的差距:TFP去向何处,潜力随之而至
Pub Date : 2019-12-13 DOI: 10.2139/ssrn.3503192
Mihnea Constantinescu, A. Nguyen
We investigate the role of financial factors in the estimation and dynamics of the U.S. output gap over more than a century. We propose a highly parsimonious semi-structural model which produces qualitatively similar dynamics and quantitatively comparable levels and gaps to the U.S. Congressional Budget Office output gap model (Shackleton (2018)). Allowing for time-varying effects of financial factors significantly improves real-time estimates of the output gap. Three major insights follow. Credit dynamics are the primary drivers of the observed financial crisis albeit with different conduits over the century: the stock market in 1929 and the housing market in 2008. Accounting for credit growth, U.S. potential output has been steadily growing at roughly 2% since the beginning of 1980. Long-run TFP levels and dynamics are closely linked to observed variation in potential growth.
我们研究了金融因素在一个多世纪以来美国产出缺口的估计和动态中的作用。我们提出了一个高度精简的半结构模型,该模型产生了与美国国会预算办公室产出缺口模型(Shackleton(2018))在质量上相似的动态和数量上可比较的水平和缺口。考虑到金融因素的时变影响,可以显著改善对产出缺口的实时估计。以下是三个主要见解。信贷动态是我们观察到的金融危机的主要驱动因素,尽管在过去一个世纪里,信贷的渠道不同:1929年的股市和2008年的房地产市场。考虑到信贷增长,自1980年初以来,美国的潜在产出一直以大约2%的速度稳步增长。长期TFP水平和动态与观察到的潜在增长变化密切相关。
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引用次数: 0
El PIB de la Cocaína 2005-2018: Una Estimación empírica (Cocaine GDP 2005-2018: An Empirical Estimate) 可卡因GDP 2005-2018:经验估计(可卡因GDP 2005-2018:经验估计)
Pub Date : 2019-11-20 DOI: 10.2139/ssrn.3499830
S. Montenegro, Jorge Llano, D. Ibanez
Este documento estima el valor del producto interno bruto, PIB, de la produccion de cocaina y, en particular, el valor agregado por la base de coca y por el clorhidrato de cocaina. Este valor del PIB de la cocaina es muy sensible a los precios y cantidades de insumos y de productos en diferentes puntos de la geografia del pais. Los precios del clorhidrato de cocaina se incrementan exponencialmente desde los datos observados en los laboratorios en el interior del pais, hasta llegar a los puertos de exportacion y a los mercados de consumo. Los datos aqui utilizados fueron tomados de la informacion del Sistema Integrado de Monitoreo de Cultivos Ilicitos, SIMCI, de la Oficina de las Naciones Unidas Contra la Droga y el Delito, UNODC. Si se asume un precio FOB del clorhidrato de cocaina igual al precio de frontera fisica mas un 10% del diferencial entre el precio mayorista en los EEUU y dicho precio de frontera, el PIB de la cocaina alcanzaria un 1,88% del PIB total en 2018, mas de dos veces el PIB de un sector emblematico como el cafe, que representa un 0,8% del PIB. Dicha cifra es igualmente preocupante comparada con la del periodo 2011-14, cuando en promedio solo represento un 0,6% del PIB, y en terminos nominales alcanzo en 2018 unos $18 billones. El valor agregado de la cocaina calculado solo con el precio estimado en puerto de salida, que habia caido en promedio a un 0,42% del PIB nacional hacia 2011-14, volvio a crecer hasta alcanzar un nivel de 0,88% del PIB total en 2017 y 1,06% en 2018. Dicha expansion esta fundamentalmente explicada por el crecimiento de las siembras de la mata de coca, la cual alcanzo en 2017 las 171 mil hectareas niveles superiores a los del ano 2000 que se situaron cerca de 163 mil hectareas y en 2018 cerca de 169 mil hectareas. Debido a una politica estricta de erradicacion, ese nivel habia caido a menos de 50,000 hectareas en 2010.
该文件估计了可卡因生产的国内生产总值(gdp)的价值,特别是古柯基地和盐酸可卡因的附加值。可卡因gdp的这一价值对该国不同地理位置的投入和产品的价格和数量非常敏感。从国内实验室观察到的数据到出口港口和消费市场,盐酸可卡因的价格呈指数级增长。本文使用的数据来自联合国毒品和犯罪问题办公室的非法作物综合监测系统(SIMCI)的信息。如果对盐酸可卡因一样价格的FOB价格之间的微分和物理边界最10%的批发价格在美国边境和低价,gdp可卡因alcanzaria 2018年总gdp 1.88%,国内生产总值超过两次emblematico如咖啡馆、部门占gdp的0.8%。与2011-14年期间相比,这一数字同样令人担忧,当时平均仅占gdp的0.6%,2018年名义上达到约18万亿美元。仅以出口港估计价格计算的可卡因附加值,在2011-14年期间平均下降到国民生产总值的0.42%,在2017年和2018年再次增长到国民生产总值的0.88%和1.06%。这种扩张主要是由古柯种植面积的增长解释的,2017年古柯种植面积达到17.1万公顷,高于2000年的水平,2000年的水平约为16.3万公顷,2018年约为16.9万公顷。由于严格的根除政策,到2010年,这一水平已降至不足5万公顷。
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引用次数: 3
Measuring the Output Gap Using Large Datasets 使用大数据集测量输出缺口
Pub Date : 2019-10-23 DOI: 10.2139/ssrn.3217816
M. Barigozzi, Matteo Luciani
We propose a new measure of the output gap based on a dynamic factor model that is estimated on a large number of U.S. macroeconomic indicators and which incorporates relevant stylized facts about macroeconomic data (co-movements, non-stationarity, and the slow drift in long-run output growth over time). We find that, (1) from the mid-1990s to 2008, the U.S. economy operated above its potential; and, (2) in 2018:Q4, the labor market was tighter than the market for goods and services. Because it is mainly data-driven, our measure is a natural complementary tool to the theoretical models used at policy institutions.
我们提出了一种基于动态因素模型的产出缺口的新测量方法,该模型是根据大量美国宏观经济指标进行估计的,并结合了有关宏观经济数据的相关风格化事实(协同运动、非平稳性和长期产出增长的缓慢漂移)。我们发现,(1)从20世纪90年代中期到2008年,美国经济运行高于其潜力;(2) 2018年第四季度,劳动力市场比商品和服务市场更紧张。因为它主要是数据驱动的,所以我们的测量是政策机构使用的理论模型的自然补充工具。
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引用次数: 16
The Direct Investment Income Puzzle 直接投资收益之谜
Pub Date : 2019-06-01 DOI: 10.2139/ssrn.3248774
James F. Albertus
The official statistics – whether the published aggregates or the confidential microdata – do not support the longstanding view that US direct investment abroad (USDIA) outperforms foreign direct investment in the US (FDIUS). Rather, the apparent yields differential results primarily from two subtleties of the data. First, USDIA business activity is "double counted" at holding companies. Second, unlike FDIUS, USDIA profits are not recorded on a fully after-tax basis. Leading explanations for the relative profitability of USDIA, such as income shifting and industry composition, have limited or countervailing effects. The US does not enjoy an exorbitant privilege in direct investment returns.
官方统计数据——无论是公布的总体数据还是保密的微观数据——都不支持长期以来的观点,即美国海外直接投资(USDIA)的表现优于外国在美直接投资(FDIUS)。相反,表面上的差异主要来自于数据的两个微妙之处。首先,USDIA的商业活动在控股公司被“重复计算”。其次,与FDIUS不同的是,USDIA的利润不完全记录在税后基础上。对USDIA相对盈利能力的主要解释,如收入转移和行业构成,具有有限的或抵消的影响。美国在直接投资回报方面并不享有过分的特权。
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引用次数: 2
期刊
Macroeconomics: National Income & Product Accounts eJournal
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