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September 2010
THE ISBA BULLETIN Vol. 17 No. 3 September 2010 The official bulletin of the International Society for Bayesian Analysis AMESSAGE FROM THE membership renewal (there will be special provi- PRESIDENT sions for members who hold multi-year member- ships). Peter Muller¨ The Bayesian Nonparametrics Section (IS- ISBA President, 2010 BA/BNP) is already up and running, and plan- [email protected] ning the 2011 BNP workshop. Please see the News from the World section in this Bulletin First some sad news. In August we lost two and our homepage (select “business” and “mee- big Bayesians. Julian Besag passed away on Au- tings”). gust 6, and Arnold Zellner passed away on Au- gust 11. Arnold was one of the founding ISBA ISBA/SBSS Educational Initiative. Jointly presidents and was instrumental to get Bayesian with ASA/SBSS (American Statistical Associa- started. Obituaries on this issue of the Analysis tion, Section on Bayesian Statistical Science) we Bulletin and on our homepage acknowledge Juli- launched a new joint educational initiative. The an and Arnold’s pathbreaking contributions and initiative formalized a long standing history of their impact on the lives of many people in our collaboration of ISBA and ASA/SBSS in related research community. They will be missed dearly! matters. Continued on page 2. ISBA Elections 2010. Please check out the elec- tion statements of the candidates for the upco- In this issue ming ISBA elections. We have an amazing slate ‰ A MESSAGE FROM THE BA EDITOR of candidates. Thanks to the nominating commit- *Page 2 tee, Mike West (chair), Renato Martins Assuncao,˜ Jennifer Hill, Beatrix Jones, Jaeyong Lee, Yasuhi- ‰ 2010 ISBA ELECTION *Page 3 ro Omori and Gareth Robert! ‰ SAVAGE AWARD AND MITCHELL PRIZE 2010 *Page 8 Sections. -
Stolper-Samuelson Time Series: Long Term US Wage Adjustment
Stolper-Samuelson Time Series: Long Term US Wage Adjustment Henry Thompson Auburn University Review of Development Economics, 2011 Factor prices adjust to product prices in the Stolper-Samuelson theorem of the factor proportions model. The present paper estimates adjustment in the average US wage to changes in prices of manufactures and services with yearly data from 1949 to 2006. Difference equation analysis is based directly on the comparative static factor proportions model. Factors of production are fixed capital assets and the labor force. Results have implications for theory and policy. Thanks for comments and suggestions go to Farhad Rassekh, Charles Sawyer, Roy Ruffin, Ron Jones, Manoj Atolia, Santanu Chaterjee, and Svetlana Demidova. Contact: Henry Thompson, Economics, Auburn University, AL 36849, 334-844-2910, fax 5999, [email protected] 1 Stolper-Samuelson Time Series: Long Term US Wage Adjustment The Stolper-Samuelson (SS, 1941) theorem concerns the effects of changing product prices on factor prices along the contract curve in the general equilibrium model of production with two factors and two products. The result is fundamental to neoclassical economics as relative product prices evolve with economic growth. The theoretical literature finding exception to the SS theorem is vast as summarized by Thompson (2003) and expanded by Beladi and Batra (2004). Davis and Mishra (2007) believe the theorem is dead due unrealistic assumptions. The scientific status of the theorem, however, depends on the empirical evidence. The empirical literature generally examines indirect evidence including trade volumes, trade openness, input ratios, relative production wages, and per capita incomes as summarized by Deardorff (1984), Leamer (1994), and Baldwin (2008). -
User Pays Applied to Pro-Life Advocates
A Service of Leibniz-Informationszentrum econstor Wirtschaft Leibniz Information Centre Make Your Publications Visible. zbw for Economics Pope, Robin Working Paper The Big Picture of Lives Saved by Abortion on Demand: User Pays Applied to Pro-Life Advocates Bonn Econ Discussion Papers, No. 14/2009 Provided in Cooperation with: Bonn Graduate School of Economics (BGSE), University of Bonn Suggested Citation: Pope, Robin (2009) : The Big Picture of Lives Saved by Abortion on Demand: User Pays Applied to Pro-Life Advocates, Bonn Econ Discussion Papers, No. 14/2009, University of Bonn, Bonn Graduate School of Economics (BGSE), Bonn This Version is available at: http://hdl.handle.net/10419/37046 Standard-Nutzungsbedingungen: Terms of use: Die Dokumente auf EconStor dürfen zu eigenen wissenschaftlichen Documents in EconStor may be saved and copied for your Zwecken und zum Privatgebrauch gespeichert und kopiert werden. personal and scholarly purposes. Sie dürfen die Dokumente nicht für öffentliche oder kommerzielle You are not to copy documents for public or commercial Zwecke vervielfältigen, öffentlich ausstellen, öffentlich zugänglich purposes, to exhibit the documents publicly, to make them machen, vertreiben oder anderweitig nutzen. publicly available on the internet, or to distribute or otherwise use the documents in public. Sofern die Verfasser die Dokumente unter Open-Content-Lizenzen (insbesondere CC-Lizenzen) zur Verfügung gestellt haben sollten, If the documents have been made available under an Open gelten abweichend von diesen Nutzungsbedingungen -
December 2000
THE ISBA BULLETIN Vol. 7 No. 4 December 2000 The o±cial bulletin of the International Society for Bayesian Analysis A WORD FROM already lays out all the elements mere statisticians might have THE PRESIDENT of the philosophical position anything to say to them that by Philip Dawid that he was to continue to could possibly be worth ISBA President develop and promote (to a listening to. I recently acted as [email protected] largely uncomprehending an expert witness for the audience) for the rest of his life. defence in a murder appeal, Radical Probabilism He is utterly uncompromising which revolved around a Modern Bayesianism is doing in his rejection of the realist variant of the “Prosecutor’s a wonderful job in an enormous conception that Probability is Fallacy” (the confusion of range of applied activities, somehow “out there in the world”, P (innocencejevidence) with supplying modelling, data and in his pragmatist emphasis P ('evidencejinnocence)). $ analysis and inference on Subjective Probability as Contents procedures to nourish parts that something that can be measured other techniques cannot reach. and regulated by suitable ➤ ISBA Elections and Logo But Bayesianism is far more instruments (betting behaviour, ☛ Page 2 than a bag of tricks for helping or proper scoring rules). other specialists out with their What de Finetti constructed ➤ Interview with Lindley tricky problems – it is a totally was, essentially, a whole new ☛ Page 3 original way of thinking about theory of logic – in the broad ➤ New prizes the world we live in. I was sense of principles for thinking ☛ Page 5 forcibly struck by this when I and learning about how the had to deliver some brief world behaves. -
The Causal Direction Between Money and Prices
Journal of Monetary Economics 27 (1991) 381-423. North-Holland The causal direction between money and prices An alternative approach* Kevin D. Hoover University of California, Davis, Davis, CA 94916, USA Received December 1988, final version received March 1991 Causality is viewed as a matter of control. Controllability is captured in Simon’s analysis of causality as an asymmetrical relation of recursion between variables in the unobservable data-generating process. Tests of the stability of marginal and conditional distributions for these variables can provide evidence of causal ordering. The causal direction between prices and money in the United States 1950-1985 is assessed. The balance of evidence supports the view that money does not cause prices, and that prices do cause money. 1. Introduction The debate in economics over the causal direction between money and prices is an old one. Although in modern times it had seemed largely settled in favor of the view that money causes prices, the recent interest in real *This paper is a revision of part of my earlier working paper, ‘The Logic of Causal Inference: With an Application to Money and Prices’, No. 55 of the series of working papers in the Research Program in Applied Macroeconomics and Macro Policy, Institute of Governmental Affairs, University of California. Davis. I am grateful to Peter Oownheimer. Peter Sinclair, Charles Goodhart, Thomas Mayer, Edward Garner, Thomas C&iey, Stephen LeRoy, Leon Wegge, Nancy Wulwick, Diran Bodenhom, Clive Granger, Paul Holland, the editors of this journal, an anonymous referee, and the participants in macroeconomics seminars at the Univer- sity of California, Berkeley, Fall 1986, the University of California, Davis, Fall 1988, and the University of California, Irvine, Spring 1989, for comments on this paper in its various previous incamatio;ts. -
Professor Robert F. Engle," Econometric Theory, 19, 1159-1193
Diebold, F.X. (2003), "The ET Interview: Professor Robert F. Engle," Econometric Theory, 19, 1159-1193. The ET Interview: Professor Robert F. Engle Francis X. Diebold1 University of Pennsylvania and NBER January 2003 In the past thirty-five years, time-series econometrics developed from infancy to relative maturity. A large part of that development is due to Robert F. Engle, whose work is distinguished by exceptional creativity in the empirical modeling of dynamic economic and financial phenomena. Engle’s footsteps range widely, from early work on band-spectral regression, testing, and exogeneity, through more recent work on cointegration, ARCH models, and ultra-high-frequency financial asset return dynamics. The booming field of financial econometrics, which did not exist twenty-five years ago, is built in large part on the volatility models pioneered by Engle, and their many variations and extensions, which have found widespread application in financial risk management, asset pricing and asset allocation. (We began in fall 1998 at Spruce in Chicago, the night before the annual NBER/NSF Time Series Seminar, continued in fall 2000 at Tabla in New York, continued again in summer 2001 at the Conference on Market Microstructure and High-Frequency Data in Finance, Sandbjerg Estate, Denmark, and wrapped up by telephone in January 2003.) I. Cornell: From Physics to Economics FXD: Let’s go back to your graduate student days. I recall that you were a student at Cornell. Could you tell us a bit about that? RFE: It depends on how far back you want to go. When I went to Cornell I went as a physicist. -
Raise the Minimum Wage He Minimum Wage Has Been an Important Part of Our Tnation’S Economy for 68 Years
Hundreds of Economists Say: Raise the Minimum Wage he minimum wage has been an important part of our Tnation’s economy for 68 years. It is based on the principle Hard work of valuing work by establishing an hourly wage floor beneath which employers cannot pay their workers. In so doing, the minimum wage helps to equalize the imbalance in bargaining deserves power that low-wage workers face in the labor market. The minimum wage is also an important tool in fighting poverty. fair pay The value of the 1997 increase in the federal minimum wage has been fully eroded. The real value of today’s federal minimum wage is less than it has been since 1951. Moreover, the ratio of the minimum wage to the average hourly wage of non-supervisory workers is 31%, its lowest level since World War II. This decline is causing hardship for low-wage workers and their families. We believe that a modest increase in the minimum wage would improve the well-being of low-wage workers and would not have the adverse effects that critics have claimed. In particular, we share the view the Council of Economic Advisors expressed in the 1999 Economic Report of the President that "the weight of the evidence suggests that modest increases in the minimum wage have had very little or no effect on employment." While controversy about the precise employment effects of the minimum wage continues, research has shown that most of the beneficiaries are adults, most are female, and the vast majority are members of low-income working families. -
Economics, History, and Causation
Randall Morck and Bernard Yeung Economics, History, and Causation Economics and history both strive to understand causation: economics by using instrumental variables econometrics, and history by weighing the plausibility of alternative narratives. Instrumental variables can lose value with repeated use be- cause of an econometric tragedy of the commons: each suc- cessful use of an instrument creates an additional latent vari- able problem for all other uses of that instrument. Economists should therefore consider historians’ approach to inferring causality from detailed context, the plausibility of alternative narratives, external consistency, and recognition that free will makes human decisions intrinsically exogenous. conomics and history have not always got on. Edward Lazear’s ad- E vice that all social scientists adopt economists’ toolkit evoked a certain skepticism, for mainstream economics repeatedly misses major events, notably stock market crashes, and rhetoric can be mathemati- cal as easily as verbal.1 Written by winners, biased by implicit assump- tions, and innately subjective, history can also be debunked.2 Fortunately, each is learning to appreciate the other. Business historians increas- ingly use tools from mainstream economic theory, and economists dis- play increasing respect for the methods of mainstream historians.3 Each Partial funding from the Social Sciences and Humanities Research Council of Canada is gratefully acknowledged by Randall Morck. 1 Edward Lazear, “Economic Imperialism,” Quarterly Journal of Economics 116, no. 1 (Feb. 2000): 99–146; Irving Fischer, “Statistics in the Service of Economics,” Journal of the American Statistical Association 28, no. 181 (Mar. 1933): 1–13; Deirdre N. McCloskey, The Rhetoric of Economics (Madison, Wisc., 1985). -
Balanced Versus Randomized Field Experiments in Economics: Why W
Balanced versus Randomized Field Experiments in Economics: Why W. S. Gosset aka “Student” Matters By Stephen T. Ziliak1 Abstract: Over the past decade randomized field experiments have gained prominence in the toolkit of empirical economics and policy making. In an article titled "Field Experiments in Economics: The Past, the Present, and the Future," Levitt and List (2009) make three main claims about the history, philosophy, and future of field experiments in economics. They claim that field experiments in economics began in the 1920s and 1930s in agricultural work by Neyman and Fisher. Second, they claim that artificial randomization is essential for good experimental design because, they claim, randomization is the only valid justification for Student's test of significance. Finally, they claim that decision-making in private sector firms will be advanced by partnering with economists doing randomized experiments. Several areas of research have been influenced by the article despite the absence of historical and methodological review. This paper seeks to fill that gap in the literature. The power and efficiency of balanced over random designs - discovered by William S. Gosset aka Student, and confirmed by Pearson, Neyman, Jeffreys, and others adopting a balanced, decision-theoretic and/or Bayesian approach to experiments, is not mentioned in the Levitt and List article. Neglect of Student is regrettable. A body of evidence descending from Student (1911) and extending to Heckman and Vytlacil (2007) suggests that artificial randomization is neither necessary nor sufficient for improving efficiency, identifying causal relationships, and discovering economically significant differences. Three easy ways to improve field experiments are proposed and briefly illustrated. -
An Economy in Conflict Page 6 Sam Perlo-Freeman
The Economics of Vol. 3, No. 2 (2008) Peace and Security Symposium: Palestine — an economy in Journal conflict Sam Perlo-Freeman: introduction to the symposium © www.epsjournal.org.uk Aamer S. Abu-Qarn on economic aspects of sixty years of the Arab- ISSN 1749-852X Israeli conflict Atif Kubursi and Fadle Naqib on Israeli economicide of the West A publication of Bank and Gaza Strip Economists for Peace Osama Hamed on the de-development of the Palestinian economy and Security (UK) Jennifer C. Olmsted on Post-Oslo Palestinian un/employment by gender, class, and age cohort Numan Kanafani and Samia Al-Botmeh on food aid to Palestine Basel Saleh on economic causes of the fragility of the Palestinian Authority Articles Siddharta Mitra on poverty and terrorism Raul Caruso and Andrea Locatelli on al Qaeda and contest theory Pavel A. Yakovlev on saving lives in armed conflicts Nadège Sheehan on U.N. peacekeeping Editors Jurgen Brauer, Augusta State University, Augusta, GA, U.S.A. J. Paul Dunne, University of the West of England, Bristol, U.K. The Economics of Peace and Security Journal © www.epsjournal.org.uk, ISSN 1749-852X A publication of Economists for Peace and Security (UK) Editors Associate editors Aims and scope Jurgen Brauer Michael Brzoska, Germany Keith Hartley, UK This journal raises and debates all issues related to Augusta State University, Augusta, GA, USA Neil Cooper, UK Christos Kollias, Greece the political economy of personal, communal, J. Paul Dunne Lloyd J. Dumas, USA Stefan Markowski, Australia University of the West of England, Bristol, UK Manuel Ferreira, Portugal Sam Perlo-Freeman, Sweden national, international, and global peace and David Gold, USA Thomas Scheetz, Argentina security. -
UC San Diego Recent Work
UC San Diego Recent Work Title Revisiting Okun's Law: An Hysteretic Perspective Permalink https://escholarship.org/uc/item/2fb7n2wd Author Schorderet, Yann Publication Date 2001-08-01 eScholarship.org Powered by the California Digital Library University of California 2001-13 UNIVERSITY OF CALIFORNIA, SAN DIEGO DEPARTMENT OF ECONOMICS REVISITING OKUN’S LAW: AN HYSTERETIC PERSPECTIVE BY YANN SCHORDERET DISCUSSION PAPER 2001-13 AUGUST 2001 Revisiting Okun’s Law: An Hysteretic Perspective By Yann Schorderet ∗ August 2001 Abstract Many developed countries have suffered from high unemployment rates during the last few decades. Beyond the economic and social consequences of this painful experience, the understanding of the mech- anisms underlying unemployment still constitutes an important chal- lenge. Focusing on one of its relevant determinants, we reexamine the link between output and unemployment. We show that the difficulty of detecting the close relationship between the two is due to a phenomenon of non-linearity. The asymmetric feature characterizing the data refers to a theory known as hysteresis. (JEL C22, J64) Keywords : Hysteresis, unemployment, non-linearity, cointegration. ∗Department of Econometrics, University of Geneva, Uni Mail, Bd du Pont-d’Arve 40, CH-1211 Geneva 4, Switzerland. I would like to thank Pietro Balestra and Jaya Krishnaku- mar for useful discussions on an earlier version of this paper. This research was supported in part by the Swiss National Science Foundation and was written while I was visiting the University of California, San Diego. I am extremely grateful to Clive W.J. Granger for helpful comments. All remaining errors are my own responsibility. 1 Many developed countries have suffered from high unemployment rates during the last few decades. -
Advanced Information on the Bank of Sweden Prize in Economic Sciences in Memory of Alfred Nobel 8 October 2003
Advanced information on the Bank of Sweden Prize in Economic Sciences in Memory of Alfred Nobel 8 October 2003 Information Department, P.O. Box 50005, SE-104 05 Stockholm, Sweden Phone: +46 8 673 95 00, Fax: +46 8 15 56 70, E-mail: [email protected], Website: ww.kva.se Time-series Econometrics: Cointegration and Autoregressive Conditional Heteroskedasticity Time-series Econometrics: Cointegration and Autoregressive Conditional Heteroskedasticity 1. Introduction Empirical research in macroeconomics as well as in financial economics is largely based on time series. Ever since Economics Laureate Trygve Haavelmo’s work it has been standard to view economic time series as realizations of stochastic processes. This approach allows the model builder to use statistical inference in constructing and testing equations that characterize relationships between eco- nomic variables. This year’s Prize rewards two contributions that have deep- ened our understanding of two central properties of many economic time series — nonstationarity and time-varying volatility — and have led to a large number of applications. Figure 1.1: Logarithm (rescaled) of the Japanese yen/US dollar exchange rate (de- creasing solid line), logarithm of seasonally adjusted US consumer price index (increas- ing solid line) and logarithm of seasonally adjusted Japanese consumer price index (increasing dashed line), 1970:1 − 2003:5, monthly observations Nonstationarity, a property common to many macroeconomic and financial time series, means that a variable has no clear tendency to return to a constant value or a linear trend. As an example, Figure 1.1 shows three monthly series: the value of the US dollar expressed in Japanese yen, and seasonally adjusted consumer price indices for the US and Japan.