Macroeconomic Policy Advice and the Article IV Consultations: a Development Perspective

Total Page:16

File Type:pdf, Size:1020Kb

Macroeconomic Policy Advice and the Article IV Consultations: a Development Perspective ILO Research Paper No. 2 Macroeconomic policy advice and the Article IV consultations: A development perspective Iyanatul Islam Ishraq Ahmed Rathin Roy Raquel Ramos * August 2012 International Labour Office ________________ * Iyanatul Islam is affiliated with the Employment Policy Department, International Labour Office, Geneva; Ishraq Ahmed was an ILO intern when this work was completed. Rathin Roy and Raquel Ramos are attached to the UNDP. For further enquiries on this paper, please contact the first author ([email protected] ). Copyright © International Labour Office 2012 First published 2012 Publications of the International Labour Office enjoy copyright under Protocol 2 of the Universal Copyright Convention. Nevertheless, short excerpts from them may be reproduced without authorization, on condition that the source is indicated. For rights of reproduction or translation, application should be made to ILO Publications (Rights and Permissions), International Labour Office, CH - 1211 Geneva 22 (Switzerland) or by email: [email protected]. The International Labour Office welcomes such applications. Libraries, institutions and other users registered with reproduction rights organisations may make copies in accordance with the licences issued to them for this purpose. Visit http:/ifrro.org to find the reproduction rights organisation in your country. ISSN 2306-0875 (web pdf) The designations employed in ILO publications, which are in conformity with United Nations practice, and the presentation of material therein do not imply the expression of any opinion whatsoever on the part of the International Labour Office concerning the legal status of any country, area or territory or of its authorities, or concerning the delimitation of its frontiers. The responsibility for opinions expressed in signed articles, studies and other contributions rests solely with their authors, and publication does not constitute an endorsement by the International Labour Office of the opinions expressed in them. Reference to names of firms and commercial products and processes does not imply their endorsement by the International Labour Office, and any failure to mention a particular firm, commercial product or process is not a sign of disapproval. ILO publication and electronic products can be obtained through major booksellers or ILO local offices in many countries, or direct from ILO Publications, International Labour Office, P.O. Box 6, CH-1211 Geneva 22 (Switzerland). Catalogues or lists of new publications are available free of charge from the above address, or by email: [email protected]. Visit our site: http://www.ilo.org/pubins Table of contents Acknowledgments Abstract 1 Introduction………… ............................................................................................................... 1 2 Methodology…. ........................................................................................................................ 3 2.1 Variables representing fiscal adjustment ........................................................................... 3 2.2 Variables representing inflation targets ............................................................................. 4 2.3 Variables representing employment creation, poverty reduction and extension of social protection ............................................................................................................ 4 3 Fiscal adjustment and the Article IV consultations: Key findings and implications … ............ 5 3.1 Fiscal adjustment: The alignment between country-level advice and the IMF’s global posture .................................................................................................................... 6 3.2 Debts and deficits: Prudential targets and the Article IV consultations ............................ 7 3.3 Fiscal adjustment and the risks of a ‘one size fits all’ approach: Some country-specific examples ................................................................................................. 14 4 Inflation targets and the Article IV consultations: Key findings and implications ................... 15 4.1 Inflation targets and developing countries: An overview.................................................. 15 4.2 Inflation targets and the Article IV consultations: A continued emphasis on low, single digit inflation .......................................................................................................... 17 4.3 Moving beyond single digit inflation targets: distinguishing between general principles and numerical targets ........................................................................................ 20 5 Employment creation, poverty reduction and social protection and the Article IV consultations: Key findings and implications ............................................................................ 21 5.1 The employment-poverty link: the long road to MDG 1b ................................................ 21 5.2 From narrowly targeted programs to a social protection floor: An overview ................... 22 5.3 Employment, poverty and social protection and the Article IV consultations: Key findings ...................................................................................................................... 23 6 Conclusions and discussion… ................................................................................................... 27 References….. .................................................................................................................................. 29 Appendix : Article IV and equivalent reports used in this paper ..................................................... 32 Acknowledgements The authors would like to thank Duncan Campbell for incisive comments on an earlier version of this paper. It was also presented at the IMF’s ‘Jobs and Growth’ seminar on 11 May, 2012. Comments provided by two discussants (Atish Ghosh and Andrew Berg) are reflected in this revised version. The standard disclaimer applies: any remaining errors or omissions are the sole and collective responsibility of the authors. Abstract This paper undertakes a content analysis of 2009–2010 IMF Article IV consultations for a sample of 30 low-income and 20 middle-income countries on the following themes: (a) fiscal adjustments (b) inflation targets (c) employment generation, poverty reduction and expansion of social protection. Insufficient attention appears to have been given to employment generation, poverty reduction and expansion of social protection. ‘New’ generation Article IVs might need to be modified to respond to this lacuna. This might be best achieved when the IMF works with other development partners to broaden the content and scope of the IMF’s regular consultations with member states. Keywords: development policy, employment, fiscal and monetary policy, international agreements and observance, macroeconomic policy, social protection JEL classification: E61; E63; F53; O23; O24 Macroeconomic policy advice and the Article IV consultations 1 1 Introduction Under the IMF’s article of agreements, Article IV consultations play an important surveillance role. As the IMF observes: Article IV consultations usually take place once a year. IMF economists visit the member country to gather information and hold discussions with government and central bank officials, and often private investors and labor representatives, members of parliament, and civil society organizations. Upon its return, the mission submits a report to the IMF’s Executive Board for discussion. The Board’s views are subsequently summarized and transmitted to the country’s authorities. Currently, nine out of ten member countries agree to publication of a Public Information Notice (PIN), which summarizes the staff’s and the Board’s views, and four out of five countries agree to publication of the staff report itself.1 Public access to Article IV consultations is of comparatively recent origin. It emanates from a pilot project that the IMF initiated in April 1999 to improve its transparency.2 These consultations are an excellent source of information on the nature of macroeconomic policy advice offered by the IMF to member states. Yet, unlike the extensive – albeit contentious- literature on the nature and impact of conditionalities that are enunciated under the IMF’s lending arrangements, relatively little effort has been invested in undertaking a ‘content analysis’ of staff reports that support the Article IV consultations in order to decipher the nature of the macroeconomic policy advice that is offered to member states.3 This paper intends to deal with such a lacuna by undertaking a content analysis of 2009- 2010 article IV consultations (and equivalent country reports if such consultations are not available) for a sample of 30 low-income and 20 middle-income countries on the following themes : (a) fiscal adjustments (b) inflation targets (c) employment generation, poverty reduction and expansion of social protection. The list of low and middle income countries is drawn from World Bank sources. This is supplemented by drawing on another study that assesses the IMF Article IV consultations for 25 low- and middle-income countries.4 A discourse on the nature of macroeconomic policy advice as dispensed by the IMF to a selected sample of its member states is timely because of the proclamations by the Fund that it is now necessary to engage in a wholesale re-examination of macroeconomic policy principles in the wake of the Great Recession
Recommended publications
  • Bessemer Trust a Closer Look Debt Dynamics and Modern Monetary Theory in a Post COVID-19 World
    Debt Dynamics and Modern Monetary Theory in a Post COVID-19 World A Closer Look. Debt Dynamics and Modern Monetary Theory in a Post COVID-19 World. In Brief. • U.S. and other developed economy debt levels are elevated relative to history, sparking questions over the sustainability of the debt and governments’ ability to continue spending to combat the economic impact of the novel coronavirus. • The U.S. post-crisis experience has the potential to differ from that of Japan’s after the 1990s banking crisis as a result of markedly different banking systems. JP Coviello • A post World War II style deleveraging in the U.S. seems less likely given growth Senior Investment dynamics; current labor, capital, productivity, and spending trends are obstacles to Strategist. such a swift deleveraging. • Unprecedented fiscal and monetary support in the wake of COVID-19 creates many questions about how governments can finance large spending programs over longer time horizons. • While the coordinated fiscal and monetary response to the crisis includes aspects of Modern Monetary Theory (MMT), a full implementation remains unlikely. However, a review of the theory can be instructive in thinking about these issues and possible policy responses. Governments and central banks around the world have deployed massive amounts of stimulus in Peter Hayward an effort to cushion economies from the devastating effects of the COVID-19 pandemic. Clients, Assistant Portfolio understandably, are concerned about what this could imply over the longer term from a debt and Manager, Fixed Income. deficit perspective. While humanitarian issues are the top priority in a crisis, and spending more now likely means spending less in the future, the financing of these expansionary policies must be considered.
    [Show full text]
  • Medium and Long-Term Scenarios for Global Growth and Imbalances
    OECD Economic Outlook, Volume 2012/1 © OECD 2012 Chapter 4 MEDIUM AND LONG-TERM SCENARIOS FOR GLOBAL GROWTH AND IMBALANCES 191 4. MEDIUM AND LONG-TERM SCENARIOS FOR GLOBAL GROWTH AND IMBALANCES Introduction and summary This chapter considers Many countries face a long period of adjustment to erase the legacies long-term prospects and of the crisis, particularly high unemployment, excess capacity and large risks for the world economy fiscal imbalances. Further ahead, demographic changes, including ageing, and fundamental forces of economic convergence will bring about massive shifts in the composition of global GDP. To illustrate the nature and scale of some of the policy challenges posed by these developments, this chapter describes medium and long-term scenarios for OECD and non-OECD G20 countries using a new modelling framework to extend the short-term projections described in Chapters 1 to 3. This framework focuses on the interaction between technological progress, demographic change, fiscal adjustment, current account imbalances and structural policies. The scenarios suggest that gradual but ambitious fiscal consolidation and structural reforms could bring about substantial gains in growth as well as reducing a range of risks, particularly by reducing large fiscal and current account imbalances. The key findings are: The main conclusions are: The next 40 years will G Growth of the present non-OECD economies will continue to outpace see major changes in the that of the present OECD countries, driven primarily by catch-up in relative size of economies… multi-factor productivity, but the difference will likely narrow substantially over coming decades. From over 7% per year on average over the last decade, non-OECD growth may decline to around 5% in the 2020s and to about half that by the 2040s.
    [Show full text]
  • Dynamic Effects of Total Debt and GDP: a Time-Series Analysis of the United States
    Dynamic Effects of Total Debt and GDP: A Time-Series Analysis of the United States Economics Master's thesis Patrizio Lainà 2011 Department of Economics Aalto University School of Economics ABSTRACT The purpose of the present thesis is to examine the dynamic interactions between total debt and GDP. In particular, the growth rates are studied in real terms. Total debt is defined as the sum of credit market liabilities of household, business, financial, foreign, federal government, state gov- ernment and local government sectors. The methodology of this study is based on time-series regression analysis, in which a structural VAR model is estimated. Then, the dynamic interactions are studied with Granger causality tests, impulse response functions and forecast error variance decompositions. The data is based on the United States from 1959 to 2010 and it is organized quarterly. The main finding of this study is that real total debt growth affects real GDP growth, but there is no feedback from real GDP growth to real total debt growth. The response of real GDP growth to a shock in real total debt growth seems to be transitory, but the level effect might be persistent. In both cases the effect is in the same direction. Thus, a positive shock in the growth rate of real total debt has a transitory positive effect on real GDP growth rate, but may have a persistent positive ef- fect on the level of real GDP. The results of this study imply that economic growth typically requires accumulating total debt. In other words, economic growth is very difficult to achieve when total debt is reduced.
    [Show full text]
  • Interest-Rate-Growth Differentials and Government Debt Dynamics
    From: OECD Journal: Economic Studies Access the journal at: http://dx.doi.org/10.1787/19952856 Interest-rate-growth differentials and government debt dynamics David Turner, Francesca Spinelli Please cite this article as: Turner, David and Francesca Spinelli (2012), “Interest-rate-growth differentials and government debt dynamics”, OECD Journal: Economic Studies, Vol. 2012/1. http://dx.doi.org/10.1787/eco_studies-2012-5k912k0zkhf8 This document and any map included herein are without prejudice to the status of or sovereignty over any territory, to the delimitation of international frontiers and boundaries and to the name of any territory, city or area. OECD Journal: Economic Studies Volume 2012 © OECD 2013 Interest-rate-growth differentials and government debt dynamics by David Turner and Francesca Spinelli* The differential between the interest rate paid to service government debt and the growth rate of the economy is a key concept in assessing fiscal sustainability. Among OECD economies, this differential was unusually low for much of the last decade compared with the 1980s and the first half of the 1990s. This article investigates the reasons behind this profile using panel estimation on selected OECD economies as means of providing some guidance as to its future development. The results suggest that the fall is partly explained by lower inflation volatility associated with the adoption of monetary policy regimes credibly targeting low inflation, which might be expected to continue. However, the low differential is also partly explained by factors which are likely to be reversed in the future, including very low policy rates, the “global savings glut” and the effect which the European Monetary Union had in reducing long-term interest differentials in the pre-crisis period.
    [Show full text]
  • Indebted Demand*
    Indebted Demand* Atif Mian Ludwig Straub Amir Sufi Princeton & NBER Harvard & NBER Chicago Booth & NBER January 24, 2021 Abstract We propose a theory of indebted demand, capturing the idea that large debt burdens lower aggregate demand, and thus the natural rate of interest. At the core of the theory is the simple yet under-appreciated observation that borrowers and savers differ in their marginal propen- sities to save out of permanent income. Embedding this insight in a two-agent perpetual- youth model, we find that recent trends in income inequality and financial deregulation lead to indebted household demand, pushing down the natural rate of interest. Moreover, popu- lar expansionary policies—such as accommodative monetary policy—generate a debt-financed short-run boom at the expense of indebted demand in the future. When demand is sufficiently indebted, the economy gets stuck in a debt-driven liquidity trap, or debt trap. Escaping a debt trap requires consideration of less conventional macroeconomic policies, such as those focused on redistribution or those reducing the structural sources of high inequality. *We are very grateful to the editor and four anonymous referees, who helped significantly improve the paper. We also thank George-Marios Angeletos, Heather Boushey, Francois Gourio, Fatih Guvenen, Gerhard Illing, Ernest Liu, Fabrizio Perri, Alp Simsek, Jeremy Stein, Larry Summers, and Ivan´ Werning as well as engaged seminar par- ticipants at several institutions for numerous useful comments. Jan Ertl, Sophia Mo, and Ian Sapollnik provided ex- cellent research assistance. Straub appreciates support from the Molly and Domenic Ferrante Award. Contact info: Mian: (609) 258 6718, [email protected]; Straub: (617) 496 9188, [email protected]; Sufi: (773) 702 6148, amir.sufi@chicagobooth.edu 1 1 Introduction Rising debt and falling rates of return have characterized advanced economies over the past 40 years.
    [Show full text]
  • 2010 Growth in a Time of Debt
    American Economic Review: Papers & Proceedings 100 (May 2010): 573–578 http://www.aeaweb.org/articles.php?doi 10.1257/aer.100.2.573 = Growth in a Time of Debt By Carmen M. Reinhart and Kenneth S. Rogoff* In this paper, we exploit a new multi-country especially against the backdrop of graying pop- historical dataset on public government debt to ulations and rising social insurance costs? Are search for a systemic relationship( between) high sharply elevated public debts ultimately a man- public debt levels, growth and inflation.1 Our ageable policy challenge? main result is that whereas the link between Our approach here is decidedly empirical, growth and debt seems relatively weak at “nor- taking advantage of a broad new historical mal” debt levels, median growth rates for coun- dataset on public debt in particular, central tries with public debt over roughly 90 percent government debt first presented( in Carmen M. of GDP are about one percent lower than other- Reinhart and Kenneth) S. Rogoff 2008, 2009b . wise; average mean growth rates are several Prior to this dataset, it was exceedingly( difficult) percent lower.( Surprisingly,) the relationship to get more than two or three decades of pub- between public debt and growth is remarkably lic debt data even for many rich countries, and similar across emerging markets and advanced virtually impossible for most emerging markets. economies. This is not the case for inflation. We Our results incorporate data on 44 countries find no systematic relationship between high spanning about 200 years. Taken together, the debt levels and inflation for advanced econo- data incorporate over 3,700 annual observations mies as a group albeit with individual country covering a wide range of political systems, insti- exceptions including( the United States .
    [Show full text]
  • Kenneth Rogoff Harvard University October 1, 2013
    FAQ on Herndon, Ash and Pollin's Critique of "Growth in a Time of Debt" Kenneth Rogoff Harvard University October 1, 2013 On April 16, 2013, University of Massachusetts scholars Thomas Herndon, Michael Ash and Robert Pollin (HAP) released a paper claiming to find mission-critical coding errors in my 6- page 2010 American Economic Association proceedings note with Carmen Reinhart, that constituted our first explicit work on debt and growth. (We received their paper on the same day.) They suggested that their results called for a sweeping reassessment of “austerity” in the United States and Europe. As this FAQ shows, they make a number of claims based on misrepresentation, selective omission, and failure to cite the literature, including our later work, and the large body of supporting work by other scholars, as well as work by earlier critics. (1) Did our first 2010 paper contain a mistake? Yes, it contains a coding error that omits some countries from the overall averages. However, as HAP correctly state in the main body of their paper, and our Errata correction confirms, the coding error has relatively minor quantitative consequences. Most of the quantitative difference they highlight in one result is due to a different weighting scheme. Importantly, the coding error does not carry over to our main paper on growth and debt, “Public Debt Overhangs” (2012, joint with Vincent Reinhart), which is much longer and more complete. The 2012 paper appears as a full journal article, not as a conference proceedings note. Our 2012 paper, which HAP do not cite, had long superseded our short May 2010 paper in academic and policy research discussions, as noted for example in the June 2013 Bank for International Settlements annual report.
    [Show full text]
  • Public Debt and Economic Growth: Economic Systems Matter
    A Service of Leibniz-Informationszentrum econstor Wirtschaft Leibniz Information Centre Make Your Publications Visible. zbw for Economics Ahlborn, Markus; Schweickert, Rainer Working Paper Public debt and economic growth: Economic systems matter cege Discussion Papers, No. 281 Provided in Cooperation with: Georg August University of Göttingen, cege - Center for European, Governance and Economic Development Research Suggested Citation: Ahlborn, Markus; Schweickert, Rainer (2016) : Public debt and economic growth: Economic systems matter, cege Discussion Papers, No. 281, University of Göttingen, Center for European, Governance and Economic Development Research (cege), Göttingen This Version is available at: http://hdl.handle.net/10419/129092 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
    [Show full text]
  • Public Debt Dynamics: the Interaction with National Income and Fiscal
    Spyrakis and Kotsios Economic Structures (2021) 10:8 https://doi.org/10.1186/s40008-021-00238-4 RESEARCH Open Access Public debt dynamics: the interaction with national income and fscal policy Vasileios Spyrakis* and Stelios Kotsios *Correspondence: [email protected]; Abstract [email protected] The 2008 fnancial crisis triggered the debt crisis in Europe. High debt-to-GDP ratios Department of Economics, Faculty of Economics made it impossible for some countries to apply countercyclical policy in order to over- and Political Sciences, come the recession. As a result, highly indebted countries were forced to apply auster- National and Kapodistrian ity measures to avoid sovereign default, which deepened even further the decline of University of Athens, Athens, Greece their GDP. We examine the case of a highly indebted country, which is not cut of from the fnancial markets yet, using a bilinear diference equation system. We contemplate the dynamic equations of national income and sovereign debt together, as GDP fuc- tuations directly afect the debt evolution and we introduce the notion of the second relation, namely the deceleration of private investments due to sovereign debt. We build a new method for the implementation of fscal policy, a feedback control of the economic system, and we stress its consequent policy implications. We contribute to the existing debt dynamics literature providing a new perspective for the interaction of public debt and GDP. The fscal policy method we propose vanishes the dilemma between the front-loaded and back-loaded austerity, combines the fscal recovery from a recession and the fscal consolidation, as it immediately improves the debt-to-GDP ratio by increasing the national income and restraining the rise of public debt.
    [Show full text]
  • The Debt-To-GDP Threshold Effect on Output: a Country- Specific Analysis by Luke Lechtenberg
    The Debt-to-GDP Threshold Effect On Output: A Country- Specific Analysis by Luke Lechtenberg Abstract: The recent economics literature has focused on establishing a general debt-to-GDP threshold across countries where output growth becomes negatively affected. This paper, conversely, attempts to establish debt-to-GDP thresholds for individual countries, the purpose of which is to show that a country’s fiscal policy decisions should be based on data specific to that country, which should foster more informed and prudent policy making. Introduction Review of the Literature In the aftermath of the 2008 financial crisis, During recessions, governments go into debt to economists began conducting a postmortem, asking finance spending that boosts aggregate demand and questions such as: how did this happen, how could it output in the short run, averting the disasters of a have been prevented, and how can we recover from it potentially deeper and longer recession (Mankiw as quickly as possible? This paper is concerned with & Elmendorf, 1999). In the short run, wages and the lattermost question, but even more specifically, prices are sticky so increases in aggregate demand— the question of what effect the level of public debt achieved through increases in government has on GDP growth. Reinhart and Rogoff (2010), expenditure—boost national income. The downside in their paper “Growth in a Time of Debt,” were the of public debt is manifest in the long run where first to broach this question following 2008. They classical economic assumptions hold and wages and asserted that when a country’s public debt reaches prices are no longer sticky.
    [Show full text]
  • 1 the Non-Evolutionary and Non-Benign Character of Stylized Facts Jacob Powell Hobart and William Smith Colleges Abstract
    The Non-Evolutionary and Non-Benign Character of Stylized Facts Jacob Powell Hobart and William Smith Colleges Abstract: This paper highlights the potentiality of stylized facts to take on a non-evolutionary and non-benign character. This paper will explicate methodological problems with stylized facts, demonstrating their potentiality to take on a non-evolutionary and non-benign character. Two stylized facts will be used as the primary examples through the paper: the inverse trade off between changes in unemployment and changes in price level (i.e. the Phillips curve) and that countries with debt-to-GDP ratios in excess of 90 percent with have lower levels of growth. The insights of Pierre Bourdieu will be drawn upon to understand the socialization processes which create common sense understandings of our world that are non-evolutionary and non-benign, what Bourdieu calls doxic understandings. Doxic understandings of the world are inherently ceremonial and antithetical to an evolutionary approach. To overcome these problems does not mean the elimination of heuristics; but rather, a continual application of reflexivity. Reflexivity is an ongoing process, where the researcher is continually interrogating what is being taken for granted in their own methods and logic, to ensure these are grounded in instrumental reasoning. Reflexivity is necessary to safeguard economics and the public against doxic understandings, and is a necessary condition of realism in analysis. Word Count: 199 Keywords: Stylized Facts, Performativity, Phillips Curve, Reinhart-Rogoff, Reflexivity, Doxa JEL codes: A2, B4, B5, E6 Introduction While becoming economists we are socialized into understandings of our object of study. Stylized facts, empirical “regularities,” that are taken as given, are one of the first bits we internalize.
    [Show full text]
  • Public Debt and Economic Growth in Advanced Economies:Asurvey
    PUBLIC DEBT AND ECONOMIC GROWTH IN ADVANCED ECONOMIES:ASURVEY Ugo Panizza Andrea F. Presbitero Working paper no. 78 January 2013 Abstract This paper surveys the recent literature on the links between public debt and economic growth in advanced economies. We find that theoretical models yield ambiguous results. Whether high levels of public debt have a negative effect on long-run growth is thus an empirical ques- tion. While many papers have found a negative correlation between debt and growth, our reading of the empirical literature is that there is no paper that can make a strong case for a causal relationship going from debt to economic growth. We also find that the presence of thresholds and, more in general, of a non-monotone relationship between debt and growth is not robust to small changes in data coverage and empirical techniques. We conclude with a discussion of the challenges involved in measuring and defining public debt and some sugges- tions for future research which, in our view, should emphasize cross-country heterogeneity. JEL Codes: F33, F34, F35, O11 Keywords: Government Debt, Growth, OECD countries Acknowledgements: This paper was prepared for a special issue of the Swiss Journal of Eco- nomics and Statistics. We would like to thank the editor, Professor Klaus Neusser, for inviting us to write the paper and participants at the conference ”The Swiss Debt Brake – Ten Years on” at the Gerzensee Study Center for helpful comments and suggestions. The usual caveats apply. Ugo Panizza The Graduate Institute, Geneva. E-mail: [email protected]. Andrea F. Presbitero Universita` Politecnica delle Marche (Italy) and MoFiR.
    [Show full text]