Ethanol Production, Food and Forests
Author
Abstract
(This abstract was borrowed from another version of this item.)
Suggested Citation
DOI: 10.1007/s10640-011-9516-4
Download full text from publisher
As the access to this document is restricted, you may want to look for a different version below or search for a different version of it.
Other versions of this item:
- Saraly Andrade de Sa & Charles Palmer & Stefanie Engel, 2010. "Ethanol Production, Food and Forests," Environmental Economy and Policy Research Working Papers 48.2010, University of Cambridge, Department of Land Economics, revised 2010.
- Andrade de Sa, Saraly & Palmer, Charles & Engel, Stefanie, 2010. "Ethanol Production, Food and Forests," Proceedings of the German Development Economics Conference, Hannover 2010 21, Verein für Socialpolitik, Research Committee Development Economics.
- Andrade de Sa, Saraly & Palmer, Charles & Engel, Stefanie, 2010. "Ethanol production, food and forests," LSE Research Online Documents on Economics 27950, London School of Economics and Political Science, LSE Library.
References listed on IDEAS
- Hongli Feng & Bruce A. Babcock, 2010.
"Impacts of Ethanol on Planted Acreage in Market Equilibrium,"
American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 92(3), pages 789-802.
- Feng, Hongli & Babcock, Bruce A., 2008. "Impacts of Ethanol on Planted Acreage in Market Equilibrium," Staff General Research Papers Archive 12959, Iowa State University, Department of Economics.
- Hongli Feng & Bruce A. Babcock, 2008. "Impacts of Ethanol on Planted Acreage in Market Equilibrium," Center for Agricultural and Rural Development (CARD) Publications 08-wp472, Center for Agricultural and Rural Development (CARD) at Iowa State University.
- Feng, Hongli & Babcock, Bruce, 2010. "Impacts of Ethanol on Planted Acreage in Market Equilibrium," ISU General Staff Papers 201004070700001493, Iowa State University, Department of Economics.
- Roman Keeney & Thomas W. Hertel, 2009. "The Indirect Land Use Impacts of United States Biofuel Policies: The Importance of Acreage, Yield, and Bilateral Trade Responses," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 91(4), pages 895-909.
- Uwe Schneider & Bruce McCarl, 2003.
"Economic Potential of Biomass Based Fuels for Greenhouse Gas Emission Mitigation,"
Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 24(4), pages 291-312, April.
- Uwe A. Schneider & Bruce A. McCarl, 2001. "Economic Potential of Biomass-Based Fuels for Greenhouse Gas Emission Mitigation," Center for Agricultural and Rural Development (CARD) Publications 01-wp280, Center for Agricultural and Rural Development (CARD) at Iowa State University.
- Mincer, Jacob, 1978.
"Family Migration Decisions,"
Journal of Political Economy, University of Chicago Press, vol. 86(5), pages 749-773, October.
- Jacob Mincer, 1977. "Family Migration Decisions," NBER Working Papers 0199, National Bureau of Economic Research, Inc.
- Chakravorty, Ujjayant & Magné, Bertrand & Moreaux, Michel, 2008.
"A dynamic model of food and clean energy,"
Journal of Economic Dynamics and Control, Elsevier, vol. 32(4), pages 1181-1203, April.
- CHAKRAVORTY Ujjayant & MAGNE Bertrand & MOREAUX Michel, 2006. "A dynamic model of food and clean energy," LERNA Working Papers 06.10.203, LERNA, University of Toulouse.
- Ujjayant Chakravorty & Bertrand Magne & Michel Moreaux, 2008. "A dynamic model of food and clean energy," Post-Print hal-02660216, HAL.
- Chakravorty, Ujjayant & Magné, Bertrand & Moreaux, Michel, 2006. "A Dynamic Model of Food and Clean Energy," IDEI Working Papers 403, Institut d'Économie Industrielle (IDEI), Toulouse.
- Harry de Gorter & David R. Just, 2008. "The Economics of a Blend Mandate for Biofuels," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 91(3), pages 738-750.
- Quintero, J.A. & Montoya, M.I. & Sánchez, O.J. & Giraldo, O.H. & Cardona, C.A., 2008. "Fuel ethanol production from sugarcane and corn: Comparative analysis for a Colombian case," Energy, Elsevier, vol. 33(3), pages 385-399.
- Rajagopal, Deepak & Zilberman, David, 2007. "Review of environmental, economic and policy aspects of biofuels," Policy Research Working Paper Series 4341, The World Bank.
- Keeney, Roman & Hertel, Thomas, 2008. "The Indirect Land Use Impacts of U.S. Biofuel Policies: The Importance of Acreage, Yield, and Bilateral Trade Responses," GTAP Working Papers 2810, Center for Global Trade Analysis, Department of Agricultural Economics, Purdue University.
- Angelsen, Arild, 1999. "Agricultural expansion and deforestation: modelling the impact of population, market forces and property rights," Journal of Development Economics, Elsevier, vol. 58(1), pages 185-218, February.
- Searchinger, Timothy & Heimlich, Ralph & Houghton, R. A. & Dong, Fengxia & Elobeid, Amani & Fabiosa, Jacinto F. & Tokgoz, Simla & Hayes, Dermot J. & Yu, Hun-Hsiang, 2008. "Use of U.S. Croplands for Biofuels Increases Greenhouse Gases Through Emissions from Land-Use Change," Staff General Research Papers Archive 12881, Iowa State University, Department of Economics.
- Moschini, Giancarlo, 1998.
"The semiflexible almost ideal demand system,"
European Economic Review, Elsevier, vol. 42(2), pages 349-364, February.
- Moschini, GianCarlo, 1998. "Semiflexible Almost Ideal Demand System, The," Staff General Research Papers Archive 1193, Iowa State University, Department of Economics.
- Shively, Gerald & Pagiola, Stefano, 2004. "Agricultural intensification, local labor markets, and deforestation in the Philippines," Environment and Development Economics, Cambridge University Press, vol. 9(2), pages 241-266, May.
- Ujjayant Chakravorty & Marie-Hélène Hubert & Linda Nøstbakken, 2009.
"Fuel Versus Food,"
Annual Review of Resource Economics, Annual Reviews, vol. 1(1), pages 645-663, September.
- Ujjayant Chakravorty & Marie-Hélène Hubert & Linda Nøstbakken, 2009. "Fuel Versus Food," Post-Print halshs-01117673, HAL.
- Chakravorty, Ujjayant & Hubert, Marie-Helene & Nostbakken, Linda, 2009. "Fuel versus Food," Working Papers 2009-20, University of Alberta, Department of Economics.
- Kenneth M. Chomitz & Timothy S. Thomas, 2003. "Determinants of Land Use in Amazônia: A Fine-Scale Spatial Analysis," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 85(4), pages 1016-1028.
- Mas-Colell, Andreu & Whinston, Michael D. & Green, Jerry R., 1995. "Microeconomic Theory," OUP Catalogue, Oxford University Press, number 9780195102680.
- Edward B. Barbier, 2001. "The Economics of Tropical Deforestation and Land Use: An Introduction to the Special Issue," Land Economics, University of Wisconsin Press, vol. 77(2), pages 155-171.
- Marcel Fafchamps, 1992. "Cash Crop Production, Food Price Volatility, and Rural Market Integration in the Third World," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 74(1), pages 90-99.
- Engel, Stefanie & Pagiola, Stefano & Wunder, Sven, 2008. "Designing payments for environmental services in theory and practice: An overview of the issues," Ecological Economics, Elsevier, vol. 65(4), pages 663-674, May.
- Angelsen, Arild & Kaimowitz, David, 1999. "Rethinking the Causes of Deforestation: Lessons from Economic Models," The World Bank Research Observer, World Bank, vol. 14(1), pages 73-98, February.
- von Braun, Joachim & Pachauri, R. K., 2006. "The promises and challenges of biofuels for the poor in developing countries: IFPRI 2005-2006 Annual Report Essay," Annual report essays 2006Essay, International Food Policy Research Institute (IFPRI).
- Goldemberg, José & Guardabassi, Patricia, 2009. "Are biofuels a feasible option?," Energy Policy, Elsevier, vol. 37(1), pages 10-14, January.
- Feder, Gershon & Feeny, David, 1991. "Land Tenure and Property Rights: Theory and Implications for Development Policy," The World Bank Economic Review, World Bank, vol. 5(1), pages 135-153, January.
- Bluffstone Randall A., 1995. "The Effect of Labor Market Performance on Deforestation in Developing Countries under Open Access: An Example from Rural Nepal," Journal of Environmental Economics and Management, Elsevier, vol. 29(1), pages 42-63, July.
Citations
Citations are extracted by the CitEc Project, subscribe to its RSS feed for this item.
Cited by:
- Bahel, Eric & Marrouch, Walid & Gaudet, Gérard, 2013.
"The economics of oil, biofuel and food commodities,"
Resource and Energy Economics, Elsevier, vol. 35(4), pages 599-617.
- Eric Bahel & Walid Marrouch & Gerard Gaudet, 2010. "The Economics of Oil, Biofuel and Food Commodities," Working Papers e07-26, Virginia Polytechnic Institute and State University, Department of Economics.
- BAHEL, Eric & MARROUCH, Walid & GAUDET, Gérard, 2011. "The Economics of Oil, Biofuel and Food Commodities," Cahiers de recherche 02-2011, Centre interuniversitaire de recherche en économie quantitative, CIREQ.
- BAHEL, Eric A. & MARROUCH, Walid & GAUDET, Gérard, 2011. "The Economics of Oil, Biofuel and Food Commodities," Cahiers de recherche 2011-02, Universite de Montreal, Departement de sciences economiques.
- James Thurlow & Giacomo Branca & Erika Felix & Irini Maltsoglou & Luis E. Rincón, 2016.
"Producing Biofuels in Low-Income Countries: An Integrated Environmental and Economic Assessment for Tanzania,"
Environmental & Resource Economics,
Springer;European Association of Environmental and Resource Economists, vol. 64(2), pages 153-171, June.
- Branca, Giacomo & Felix, Erika & Maltsoglou, Irini & Rincon, Luis E. & Thurlow, James, 2014. "Producing biofuels in low-income countries: An integrated environmental and economic assessment for Tanzania," WIDER Working Paper Series 018, World Institute for Development Economic Research (UNU-WIDER).
- Donatella Danzi & Ivana Marino & Isabella De Bari & Silvio Mastrolitti & Giacomo L. Petretto & Domenico Pignone & Michela Janni & Francesco Cellini & Tullio Venditti, 2021. "Assessment of Durum Wheat ( Triticum durum Desf.) Genotypes Diversity for the Integrated Production of Bioethanol and Grains," Energies, MDPI, vol. 14(22), pages 1-14, November.
- Matthias Diermeier & Torsten Schmidt, 2012. "Oil Price Effects on Land Use Competition – An Empirical Analysis," Ruhr Economic Papers 0340, Rheinisch-Westfälisches Institut für Wirtschaftsforschung, Ruhr-Universität Bochum, Universität Dortmund, Universität Duisburg-Essen.
- repec:zbw:rwirep:0340 is not listed on IDEAS
- Andrade de Sá, Saraly & Palmer, Charles & di Falco, Salvatore, 2013.
"Dynamics of indirect land-use change: Empirical evidence from Brazil,"
Journal of Environmental Economics and Management, Elsevier, vol. 65(3), pages 377-393.
- Palmer, Charles & Di Falco, Salvatore, 2012. "Dynamics of indirect land-use change: empirical evidence from Brazil," LSE Research Online Documents on Economics 44835, London School of Economics and Political Science, LSE Library.
- Saraly Andrade de Sá & Charles Palmer & Salvatore Di Falco, 2013. "Dynamics of Indirect Land-Use Change: Empirical Evidence from Brazil," CER-ETH Economics working paper series 13/170, CER-ETH - Center of Economic Research (CER-ETH) at ETH Zurich.
- Saraly Andrade de S� & Charles Palmer & Salvatore Di Falco, 2012. "Dynamics of indirect land-use change: empirical evidence from Brazil," GRI Working Papers 74, Grantham Research Institute on Climate Change and the Environment.
- James Thurlow & Giacomo Branca & Erika Felix & Irini Maltsoglou & Luis E. Rincón, 2016.
"Producing Biofuels in Low-Income Countries: An Integrated Environmental and Economic Assessment for Tanzania,"
Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 64(2), pages 153-171, June.
- Giacomo Branca & Erika Felix & Irini Maltsoglou & Luis E. Rincon & James Thurlow, 2014. "Producing Biofuels in Low-Income Countries: An Integrated Environmental and Economic Assessment for Tanzania," WIDER Working Paper Series wp-2014-018, World Institute for Development Economic Research (UNU-WIDER).
- Diermeier, Matthias & Schmidt, Torsten, 2014.
"Oil price effects on land use competition: an empirical analysis,"
Agricultural Economics Review, Greek Association of Agricultural Economists, vol. 15(1), pages 1-17.
- Diermeier, Matthias & Schmidt, Torsten, 2012. "Oil Price Effects on Land Use Competition – An Empirical Analysis," Ruhr Economic Papers 340, RWI - Leibniz-Institut für Wirtschaftsforschung, Ruhr-University Bochum, TU Dortmund University, University of Duisburg-Essen.
Most related items
These are the items that most often cite the same works as this one and are cited by the same works as this one.- Vincent Martinet, 2012.
"Effect of soil heterogeneity on the welfare economics of biofuel policies,"
Working Papers
2012/01, INRA, Economie Publique.
- Vincent Martinet, 2012. "Effect of soil heterogeneity on the welfare economics of biofuel policies," EconomiX Working Papers 2012-13, University of Paris Nanterre, EconomiX.
- Vincent Martinet, 2012. "Effect of soil heterogeneity on the welfare economics of biofuel policies," Working Papers hal-04141089, HAL.
- Moschini, GianCarlo & Cui, Jingbo & Lapan, Harvey E., 2012.
"Economics of Biofuels: An Overview of Policies, Impacts and Prospects,"
Bio-based and Applied Economics Journal, Italian Association of Agricultural and Applied Economics (AIEAA), vol. 1(3), pages 1-28, December.
- Moschini, GianCarlo & Cui, Jingbo & Lapan, Harvey, 2012. "Economics of Biofuels: An Overview of Policies, Impacts and Prospects," Staff General Research Papers Archive 35548, Iowa State University, Department of Economics.
- Moschini, Giancarlo & Cui, Jingbo & Lapan, Harvey, 2012. "Economics of Biofuels: An Overview of Policies, Impacts and Prospects," ISU General Staff Papers 201201010800001094, Iowa State University, Department of Economics.
- Faria, Weslem & de Almeida, Alexandre, 2013. "Relationship between Openness to Trade and Deforestation: Empirical Evidence from the Brazilian Amazon," TD NEREUS 3-2013, Núcleo de Economia Regional e Urbana da Universidade de São Paulo (NEREUS).
- Barbier,Edward B., 2007. "Natural Resources and Economic Development," Cambridge Books, Cambridge University Press, number 9780521706513.
- Weslem Rodrigues Faria & Admir Antônio Betarelli Júnior & Rosa Lívia Gonçalves Montenegro, 2019. "Multidimensional characteristics and deforestation: an analysis for the Brazilian Legal Amazon," Quality & Quantity: International Journal of Methodology, Springer, vol. 53(4), pages 1959-1979, July.
- Faria, Weslem Rodrigues & Almeida, Alexandre Nunes, 2016. "Relationship between openness to trade and deforestation: Empirical evidence from the Brazilian Amazon," Ecological Economics, Elsevier, vol. 121(C), pages 85-97.
- Nelson B. Villoria & Derek Byerlee & James Stevenson, 2014. "The Effects of Agricultural Technological Progress on Deforestation: What Do We Really Know?," Applied Economic Perspectives and Policy, Agricultural and Applied Economics Association, vol. 36(2), pages 211-237.
- Hertel, Thomas W. & Tyner, Wallace E. & Birur, Dileep K., 2008.
"Biofuels for all? Understanding the Global Impacts of Multinational Mandates,"
2008 Annual Meeting, July 27-29, 2008, Orlando, Florida
6526, American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association).
- Hertel, Thomas W. & Tyner, Wallace E. & Birur, Dileep K., 2008. "Biofuels for all? Understanding the Global Impacts of Multinational Mandates," Conference papers 331729, Purdue University, Center for Global Trade Analysis, Global Trade Analysis Project.
- Hertel, Thomas & Tyner, Wally & Birur, Dileep, 2008. "Biofuels for all? Understanding the Global Impacts of Multinational Mandates," GTAP Working Papers 2809, Center for Global Trade Analysis, Department of Agricultural Economics, Purdue University.
- Araujo, Claudio & Combes, Jean-Louis & Féres, José Gustavo, 2019.
"Determinants of Amazon deforestation: the role of off-farm income,"
Environment and Development Economics, Cambridge University Press, vol. 24(2), pages 138-156, April.
- Claudio ARAUJO & Jean-Louis COMBES & José Gustavo FERES, 2014. "Determinants of Amazon Deforestation: The role of Off-Farm Income," Working Papers 201423, CERDI.
- Claudio Araujo & Jean-Louis Combes & José Gustavo Feres, 2014. "Determinants of Amazon Deforestation: The role of Off-Farm Income," Working Papers halshs-01084611, HAL.
- Claudio Araujo & Jean-Louis Combes & José Gustavo Feres, 2014. "Determinants of Amazon Deforestation: The role of Off-Farm Income," CERDI Working papers halshs-01084611, HAL.
- Claudio Araujo & Jean-Louis Combes & José Gustavo Feres, 2018. "Determinants of Amazon deforestation: the role of off-farm income," Post-Print hal-01875172, HAL.
- Bahel, Eric & Marrouch, Walid & Gaudet, Gérard, 2013.
"The economics of oil, biofuel and food commodities,"
Resource and Energy Economics, Elsevier, vol. 35(4), pages 599-617.
- BAHEL, Eric & MARROUCH, Walid & GAUDET, Gérard, 2011. "The Economics of Oil, Biofuel and Food Commodities," Cahiers de recherche 02-2011, Centre interuniversitaire de recherche en économie quantitative, CIREQ.
- BAHEL, Eric A. & MARROUCH, Walid & GAUDET, Gérard, 2011. "The Economics of Oil, Biofuel and Food Commodities," Cahiers de recherche 2011-02, Universite de Montreal, Departement de sciences economiques.
- Thompson, Wyatt & Meyer, Seth D. & Westhoff, Patrick C., 2010. "Us Biofuel And Climate Policies Duel Over Cellulosic Biomass," 2010: Climate Change in World Agriculture: Mitigation, Adaptation, Trade and Food Security, June 2010, Stuttgart-Hohenheim, Germany 91404, International Agricultural Trade Research Consortium.
- Ujjayant Chakravorty & Marie-Hélène Hubert & Linda Nøstbakken, 2009.
"Fuel Versus Food,"
Annual Review of Resource Economics, Annual Reviews, vol. 1(1), pages 645-663, September.
- Ujjayant Chakravorty & Marie-Hélène Hubert & Linda Nøstbakken, 2009. "Fuel Versus Food," Post-Print halshs-01117673, HAL.
- Chakravorty, Ujjayant & Hubert, Marie-Helene & Nostbakken, Linda, 2009. "Fuel versus Food," Working Papers 2009-20, University of Alberta, Department of Economics.
- Robert Innes & George Frisvold, 2009. "The Economics of Endangered Species," Annual Review of Resource Economics, Annual Reviews, vol. 1(1), pages 485-512, September.
- Yoshito Takasaki, 2011. "Economic models of shifting cultivation: a review," Tsukuba Economics Working Papers 2011-006, Faculty of Humanities and Social Sciences, University of Tsukuba.
- Yoshito Takasaki & Oliver T. Coomes & Christian Abizaid & Stéphanie Brisson, 2014.
"An Efficient Nonmarket Institution under Imperfect Markets: Labor Sharing for Tropical Forest Clearing,"
American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 96(3), pages 711-732.
- Yoshito Takasaki & Oliver T. Coomes & Christian Abizaid & St?phanie Brisson, 2011. "An efficient nonmarket institution under imperfect markets: Labor sharing for tropical forest clearing," Tsukuba Economics Working Papers 2011-007, Faculty of Humanities and Social Sciences, University of Tsukuba, revised Jan 2012.
- Vincent Martinet, 2010. "Soil heterogeneity, agricultural supply and land-use change: an application to biofuels production," Working Papers 2010/05, INRA, Economie Publique.
- Bahel, Eric & Marrouch, Walid & Gaudet, Gérard, 2013.
"The economics of oil, biofuel and food commodities,"
Resource and Energy Economics, Elsevier, vol. 35(4), pages 599-617.
- Eric Bahel & Walid Marrouch & Gerard Gaudet, 2010. "The Economics of Oil, Biofuel and Food Commodities," Working Papers e07-26, Virginia Polytechnic Institute and State University, Department of Economics.
- BAHEL, Eric & MARROUCH, Walid & GAUDET, Gérard, 2011. "The Economics of Oil, Biofuel and Food Commodities," Cahiers de recherche 02-2011, Centre interuniversitaire de recherche en économie quantitative, CIREQ.
- BAHEL, Eric A. & MARROUCH, Walid & GAUDET, Gérard, 2011. "The Economics of Oil, Biofuel and Food Commodities," Cahiers de recherche 2011-02, Universite de Montreal, Departement de sciences economiques.
- Baker, Justin Scott & Murray, Brian C. & McCarl, Bruce A., 2011. "Biofuels, Climate Policy, And Water Management: Assessing Policy-Induced Shifts On Agriculture’S Extensive And Intensive Margins," 2011 Annual Meeting, July 24-26, 2011, Pittsburgh, Pennsylvania 104912, Agricultural and Applied Economics Association.
- Kramer, Daniel Boyd & Urquhart, Gerald & Schmitt, Kristen, 2009. "Globalization and the connection of remote communities: A review of household effects and their biodiversity implications," Ecological Economics, Elsevier, vol. 68(12), pages 2897-2909, October.
- Babigumira, Ronnie & Angelsen, Arild & Buis, Maarten & Bauch, Simone & Sunderland, Terry & Wunder, Sven, 2014.
"Forest Clearing in Rural Livelihoods: Household-Level Global-Comparative Evidence,"
World Development, Elsevier, vol. 64(S1), pages 67-79.
- Babigumira, Ronnie & Angelsen, Arild & Buis, Maarten & Bauch, Simone & Sunderland, Terry & Wunder, Sven, 2014. "Forest Clearing in Rural Livelihoods: Household-Level Global-Comparative Evidence," EconStor Open Access Articles and Book Chapters, ZBW - Leibniz Information Centre for Economics, vol. 64(Supplemen), pages 67-79.
More about this item
Keywords
Deforestation; Ethanol; Food; Indirect impacts; Land use; Migration; Q11; Q24; Q42;All these keywords.
JEL classification:
- Q24 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Renewable Resources and Conservation - - - Land
- Q42 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy - - - Alternative Energy Sources
- Q11 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - Aggregate Supply and Demand Analysis; Prices
Statistics
Access and download statisticsCorrections
All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:kap:enreec:v:51:y:2012:i:1:p:1-21. See general information about how to correct material in RePEc.
If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.
If CitEc recognized a bibliographic reference but did not link an item in RePEc to it, you can help with this form .
If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.
For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: Sonal Shukla or Springer Nature Abstracting and Indexing (email available below). General contact details of provider: http://www.springer.com .
Please note that corrections may take a couple of weeks to filter through the various RePEc services.