Access to drinking water and sanitation in developing countries: Does financial development matter?
Author
Abstract
Suggested Citation
DOI: 10.1080/02692171.2023.2234837
Download full text from publisher
As the access to this document is restricted, you may want to search for a different version of it.
References listed on IDEAS
- Cameron, Lisa & Chase, Claire & Contreras Suarez, Diana, 2021.
"Relationship between water and sanitation and maternal health: Evidence from Indonesia,"
World Development, Elsevier, vol. 147(C).
- Lisa Cameron & Claire Chase & Diana Contreras Suarez, 2021. "Relationship between Water and Sanitation and Maternal Health: Evidence from Indonesia," Melbourne Institute Working Paper Series wp2021n14, Melbourne Institute of Applied Economic and Social Research, The University of Melbourne.
- Youssouf Kiendrebeogo & Alexandru Minea, 2016.
"Financial development and poverty: evidence from the CFA Franc Zone,"
Applied Economics, Taylor & Francis Journals, vol. 48(56), pages 5421-5436, December.
- Youssouf Kiendrebeogo & Alexandru Minea, 2016. "Financial development and poverty: evidence from the CFA Franc Zone," Post-Print hal-01687522, HAL.
- Muhammad Shahbaz & Muhammad Shafiullah & Mantu K. Mahalik, 2019.
"The dynamics of financial development, globalisation, economic growth and life expectancy in sub‐Saharan Africa,"
Australian Economic Papers, Wiley Blackwell, vol. 58(4), pages 444-479, December.
- Shahbaz, Muhammad & Shafiullah, Muhammad & Kumar, Mantu, 2019. "The Dynamics of Financial Development, Globalization, Economic Growth and Life Expectancy in Sub-Saharan Africa," MPRA Paper 96649, University Library of Munich, Germany, revised 20 Oct 2019.
- Alberto Alesina & Reza Baqir & William Easterly, 1999.
"Public Goods and Ethnic Divisions,"
The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 114(4), pages 1243-1284.
- Alberto Alesina & Reza Baqir & William Easterly, 1997. "Public Goods and Ethnic Divisions," NBER Working Papers 6009, National Bureau of Economic Research, Inc.
- Baqir, Reza & Easterly, William & Alesina, Alberto, 1999. "Public Goods and Ethnic Divisions," Scholarly Articles 4551797, Harvard University Department of Economics.
- Alesina, Alberto & Baqir, Reza & Easterly, William, 1999. "Public goods and ethnic divisions," Policy Research Working Paper Series 2108, The World Bank.
- Berdiev, Aziz N. & Saunoris, James W., 2016. "Financial development and the shadow economy: A panel VAR analysis," Economic Modelling, Elsevier, vol. 57(C), pages 197-207.
- Stock, James H & Wright, Jonathan H & Yogo, Motohiro, 2002. "A Survey of Weak Instruments and Weak Identification in Generalized Method of Moments," Journal of Business & Economic Statistics, American Statistical Association, vol. 20(4), pages 518-529, October.
- Cazachevici, Alina & Havranek, Tomas & Horvath, Roman, 2020.
"Remittances and economic growth: A meta-analysis,"
World Development, Elsevier, vol. 134(C).
- Alina Cazachevici & Tomas Havranek & Roman Horvath, 2019. "Remittances and Economic Growth: A Meta-Analysis," Working Papers IES 2019/35, Charles University Prague, Faculty of Social Sciences, Institute of Economic Studies, revised Oct 2019.
- Ndikumana, Léonce & Pickbourn, Lynda, 2017. "The Impact of Foreign Aid Allocation on Access to Social Services in sub-Saharan Africa: The Case of Water and Sanitation," World Development, Elsevier, vol. 90(C), pages 104-114.
- David Roodman, 2009.
"A Note on the Theme of Too Many Instruments,"
Oxford Bulletin of Economics and Statistics, Department of Economics, University of Oxford, vol. 71(1), pages 135-158, February.
- David Roodman, 2007. "A Note on the Theme of Too Many Instruments," Working Papers 125, Center for Global Development.
- Petra Valickova & Tomas Havranek & Roman Horvath, 2015.
"Financial Development And Economic Growth: A Meta-Analysis,"
Journal of Economic Surveys, Wiley Blackwell, vol. 29(3), pages 506-526, July.
- Petra Valickova & Tomas Havranek & Roman Horvath, 2013. "Financial Development and Economic Growth: A Meta-Analysis," William Davidson Institute Working Papers Series wp1045, William Davidson Institute at the University of Michigan.
- Petra Valickova & Tomas Havranek & Roman Horvath, 2013. "Financial Development and Economic Growth: A Meta-Analysis," Working Papers IES 2013/04, Charles University Prague, Faculty of Social Sciences, Institute of Economic Studies, revised May 2013.
- Tomas Havranek & Roman Horvath & Petra Valickova, 2013. "Financial Development and Economic Growth: A Meta-Analysis," Working Papers 2013/05, Czech National Bank.
- Petra Valickova & Tomas Havranek & Roman Horvath, 2013. "Financial Development and Economic Growth: A Meta-Analysis," Working Papers 331, Leibniz Institut für Ost- und Südosteuropaforschung (Institute for East and Southeast European Studies).
- Bruce Larson & Bart Minten & Ramy Razafindralambo, 2006. "Unravelling the linkages between the millennium development goals for poverty, education, access to water and household water use in developing countries: Evidence from Madagascar," Journal of Development Studies, Taylor & Francis Journals, vol. 42(1), pages 22-40.
- Hsu, Po-Hsuan & Tian, Xuan & Xu, Yan, 2014. "Financial development and innovation: Cross-country evidence," Journal of Financial Economics, Elsevier, vol. 112(1), pages 116-135.
- James R. Brown & Gustav Martinsson & Bruce C. Petersen, 2013.
"Law, Stock Markets, and Innovation,"
Journal of Finance, American Finance Association, vol. 68(4), pages 1517-1549, August.
- Brown, James R. & Martinsson, Gustav & Petersen, Bruce C., 2015. "Law, Stock Markets, and Innovation," Working Paper Series in Economics and Institutions of Innovation 393, Royal Institute of Technology, CESIS - Centre of Excellence for Science and Innovation Studies.
- William Hauk & Romain Wacziarg, 2009.
"A Monte Carlo study of growth regressions,"
Journal of Economic Growth, Springer, vol. 14(2), pages 103-147, June.
- William R. Hauk & Romain Wacziarg, 2004. "A Monte Carlo Study of Growth Regressions," NBER Technical Working Papers 0296, National Bureau of Economic Research, Inc.
- Muhammad Shahbaz & Mita Bhattacharya & Mantu Kumar Mahalik, 2018. "Financial development, industrialization, the role of institutions and government: a comparative analysis between India and China," Applied Economics, Taylor & Francis Journals, vol. 50(17), pages 1952-1977, April.
- Md Samsul Alam & Md Shahidul Islam & Syed Jawad Hussain Shahzad & Shazia Bilal, 2021. "Rapid rise of life expectancy in Bangladesh: Does financial development matter?," International Journal of Finance & Economics, John Wiley & Sons, Ltd., vol. 26(4), pages 4918-4931, October.
- Susanna Wolf, 2007. "Does Aid Improve Public Service Delivery?," WIDER Working Paper Series RP2007-71, World Institute for Development Economic Research (UNU-WIDER).
- Roger Tsafack & Ronald Djeunankan, 2021. "Do remittances improve access to safe drinking water and sanitation in developing countries?," Economics Bulletin, AccessEcon, vol. 41(4), pages 2697-2710.
- Altunbaş, Yener & Thornton, John, 2012.
"Does financial development reduce corruption?,"
Economics Letters, Elsevier, vol. 114(2), pages 221-223.
- John Thornton, 2009. "Does Financial Development Reduce Corruption?," Working Papers 09003, Bangor Business School, Prifysgol Bangor University (Cymru / Wales).
- Arellano, Manuel & Bover, Olympia, 1995.
"Another look at the instrumental variable estimation of error-components models,"
Journal of Econometrics, Elsevier, vol. 68(1), pages 29-51, July.
- M Arellano & O Bover, 1990. "Another Look at the Instrumental Variable Estimation of Error-Components Models," CEP Discussion Papers dp0007, Centre for Economic Performance, LSE.
- Haschka, Rouven E. & Herwartz, Helmut & Struthmann, Philipp & Tran, Viet Tuan & Walle, Yabibal M., 2022. "The joint effects of financial development and the business environment on firm growth: Evidence from Vietnam," Journal of Comparative Economics, Elsevier, vol. 50(2), pages 486-506.
- Desbordes, Rodolphe & Wei, Shang-Jin, 2017.
"The effects of financial development on foreign direct investment,"
Journal of Development Economics, Elsevier, vol. 127(C), pages 153-168.
- Desbordes, Rodolphe & Wei, Shang-Jin, 2014. "The effects of financial development on foreign direct investment," Policy Research Working Paper Series 7065, The World Bank.
- Rodolphe Desbordes & Shang-Jin Wei, 2017. "The Effects of Financial Development on Foreign Direct Investment," NBER Working Papers 23309, National Bureau of Economic Research, Inc.
- Avom, Désiré & Kamguia, Brice & Ngameni, Joseph Pasky & Njangang, Henri, 2021. "How does terms of trade volatility affect macroeconomic volatility? The roles of financial development and institutions," International Economics, Elsevier, vol. 168(C), pages 98-114.
- Gui-Diby, Steve Loris, 2014.
"Impact of foreign direct investments on economic growth in Africa: Evidence from three decades of panel data analyses,"
Research in Economics, Elsevier, vol. 68(3), pages 248-256.
- Steve Loris Gui-Diby, 2014. "Impact of foreign direct investments on economic growth in Africa: Evidence from three decades of panel data analyses," Post-Print halshs-01055597, HAL.
- Ellis Adams & Godfred Boateng & Jonathan Amoyaw, 2016. "Socioeconomic and Demographic Predictors of Potable Water and Sanitation Access in Ghana," Social Indicators Research: An International and Interdisciplinary Journal for Quality-of-Life Measurement, Springer, vol. 126(2), pages 673-687, March.
- Hervé Kaffo Fotio & Stéphane Mbiankeu Nguea, 2022. "Access to water and sanitation in Africa: Does globalization matter?," International Economics, CEPII research center, issue 170, pages 79-91.
- Abubakar, Ismaila Rimi, 2019. "Factors influencing household access to drinking water in Nigeria," Utilities Policy, Elsevier, vol. 58(C), pages 40-51.
- Blundell, Richard & Bond, Stephen, 1998.
"Initial conditions and moment restrictions in dynamic panel data models,"
Journal of Econometrics, Elsevier, vol. 87(1), pages 115-143, August.
- R Blundell & Steven Bond, "undated". "Initial conditions and moment restrictions in dynamic panel data model," Economics Papers W14&104., Economics Group, Nuffield College, University of Oxford.
- Blundell, R. & Bond, S., 1995. "Initial Conditions and Moment Restrictions in Dynamic Panel Data Models," Economics Papers 104, Economics Group, Nuffield College, University of Oxford.
- Richard Blundell & Stephen Bond, 1995. "Initial conditions and moment restrictions in dynamic panel data models," IFS Working Papers W95/17, Institute for Fiscal Studies.
- Susanna Wolf, 2007. "Does Aid Improve Public Service Delivery?," Review of World Economics (Weltwirtschaftliches Archiv), Springer;Institut für Weltwirtschaft (Kiel Institute for the World Economy), vol. 143(4), pages 650-672, December.
- Canh Phuc Nguyen & Thanh Dinh Su, 2021. "Export quality dynamics: Multidimensional evidence of financial development," The World Economy, Wiley Blackwell, vol. 44(8), pages 2319-2343, August.
- Nejat Anbarci & Monica Escaleras & Charles A. Register, 2009. "The Ill Effects of Public Sector Corruption in the Water and Sanitation Sector," Land Economics, University of Wisconsin Press, vol. 85(2), pages 363-377.
- Acheampong, Alex O. & Amponsah, Mary & Boateng, Elliot, 2020. "Does financial development mitigate carbon emissions? Evidence from heterogeneous financial economies," Energy Economics, Elsevier, vol. 88(C).
- Robert Deacon, 2009. "Public good provision under dictatorship and democracy," Public Choice, Springer, vol. 139(1), pages 241-262, April.
- Chandan Sharma & Sudharshan Reddy Paramati, 2021. "Does financial development reduce the level of corruption? Evidence from a global sample of 140 countries," International Journal of Finance & Economics, John Wiley & Sons, Ltd., vol. 26(4), pages 5093-5109, October.
- Marson, Marta & Savin, Ivan, 2015. "Ensuring Sustainable Access to Drinking Water in Sub Saharan Africa: Conflict Between Financial and Social Objectives," World Development, Elsevier, vol. 76(C), pages 26-39.
- Katsiaryna Svirydzenka, 2016. "Introducing a New Broad-based Index of Financial Development," IMF Working Papers 2016/005, International Monetary Fund.
- Awudu Sare Yakubu & Anthony Q. Q. Aboagye & Lord Mensah & Godfred A. Bokpin, 2018. "Effect of financial development on international trade in Africa: Does measure of finance matter?," The Journal of International Trade & Economic Development, Taylor & Francis Journals, vol. 27(8), pages 917-936, November.
- Mougnol A Ekoula, Hervé William & Kamguia, Brice & Ndoya, Hermann, 2023. "Do women hold the key to financial sector development in Africa?," International Economics, Elsevier, vol. 173(C), pages 233-248.
- Hao, Chen, 2006. "Development of financial intermediation and economic growth: The Chinese experience," China Economic Review, Elsevier, vol. 17(4), pages 347-362.
- Tadadjeu, Sosson & Njangang, Henri & Ningaye, Paul & Nourou, Mohammadou, 2020. "Linking natural resource dependence and access to water and sanitation in African countries," Resources Policy, Elsevier, vol. 69(C).
- Miguel, Edward & Gugerty, Mary Kay, 2005. "Ethnic diversity, social sanctions, and public goods in Kenya," Journal of Public Economics, Elsevier, vol. 89(11-12), pages 2325-2368, December.
- Mohammed Ziaur Rehman & Nasir Ali & Najeeb Muhammad Nasir, 2015. "Financial Development, Savings and Economic Growth: Evidence from Bahrain Using VAR," International Journal of Financial Research, International Journal of Financial Research, Sciedu Press, vol. 6(2), pages 112-123, April.
- Manuel Arellano & Stephen Bond, 1991.
"Some Tests of Specification for Panel Data: Monte Carlo Evidence and an Application to Employment Equations,"
The Review of Economic Studies, Review of Economic Studies Ltd, vol. 58(2), pages 277-297.
- Tom Doan, "undated". "RATS program to replicate Arellano-Bond 1991 dynamic panel," Statistical Software Components RTZ00169, Boston College Department of Economics.
- Windmeijer, Frank, 2005. "A finite sample correction for the variance of linear efficient two-step GMM estimators," Journal of Econometrics, Elsevier, vol. 126(1), pages 25-51, May.
Citations
Citations are extracted by the CitEc Project, subscribe to its RSS feed for this item.
Cited by:
- Mbiankeu Nguea, Stéphane, 2024. "Uncovering the linkage between sustainable development goals for access to electricity and access to safely managed drinking water and sanitation services," Social Science & Medicine, Elsevier, vol. 345(C).
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.- Tadadjeu, Sosson & Njangang, Henri & Ningaye, Paul & Nourou, Mohammadou, 2020. "Linking natural resource dependence and access to water and sanitation in African countries," Resources Policy, Elsevier, vol. 69(C).
- Kamguia, Brice & Tadadjeu, Sosson & Miamo, Clovis & Njangang, Henri, 2022.
"Does foreign aid impede economic complexity in developing countries?,"
International Economics, Elsevier, vol. 169(C), pages 71-88.
- Brice Kamguia & Sosson Tadadjeu & Clovis Miamo & Henri Njangang, 2022. "Does foreign aid impede economic complexity in developing countries?," International Economics, CEPII research center, issue 169, pages 71-88.
- Brice Kamguia & Ronald Djeunankan & Sosson Tadadjeu & Henri Njangang, 2024. "Does macroeconomic instability hamper access to electricity? Evidence from developing countries," Economics of Transition and Institutional Change, John Wiley & Sons, vol. 32(2), pages 387-414, April.
- Nasreen, Samia & Mahalik, Mantu Kumar & Shahbaz, Muhammad & Abbas, Qaisar, 2020.
"How do financial globalization, institutions and economic growth impact financial sector development in European countries?,"
Research in International Business and Finance, Elsevier, vol. 54(C).
- Nasreen, Samia & Mahalik, Mantu Kumar & Shahbaz, Muhammad & Abbas, Qaisar, 2020. "How Do Financial Globalization, Institutions and Economic Growth Impact Financial Sector Development in European Countries?," MPRA Paper 100457, University Library of Munich, Germany, revised 16 May 2020.
- KOUAKOU, Dorgyles C.M. & YEO, Kolotioloma I.H., 2023. "Can innovation reduce the size of the informal economy? Econometric evidence from 138 countries," MPRA Paper 119264, University Library of Munich, Germany.
- Sosson Tadadjeu & Henri Njangang & Paul Ningaye & Mohammadou Nourou, 2022. "Oil dependence and access to water and sanitation in African countries: Does the Extractive Industries Transparency Initiative matter?," African Development Review, African Development Bank, vol. 34(1), pages 54-67, March.
- Mougnol A Ekoula, Hervé William & Kamguia, Brice & Ndoya, Hermann, 2023. "Do women hold the key to financial sector development in Africa?," International Economics, Elsevier, vol. 173(C), pages 233-248.
- Paul Awoa Awoa & Henri Atangana Ondoa, 2024. "Heterogeneous role of resource dependence on industrialization in developing countries," Comparative Economic Studies, Palgrave Macmillan;Association for Comparative Economic Studies, vol. 66(4), pages 753-781, December.
- Ndoya, Hermann & Okere, Donald & Belomo, Marie laure & Atangana, Melissa, 2023. "Does ICTs decrease the spread of informal economy in Africa?," Telecommunications Policy, Elsevier, vol. 47(2).
- Bunje, Madinatou Yeh & Abendin, Simon & Wang, Yin, 2022. "The multidimensional effect of financial development on trade in Africa: The role of the digital economy," Telecommunications Policy, Elsevier, vol. 46(10).
- Kamguia, Brice & Keneck-Massil, Joseph & Nvuh-Njoya, Youssouf & Tadadjeu, Sosson, 2022. "Natural resources and innovation: Is the R&D sector cursed too?," Resources Policy, Elsevier, vol. 77(C).
- Zhang, Jin & Wang, Lanfang & Wang, Susheng, 2012. "Financial development and economic growth: Recent evidence from China," Journal of Comparative Economics, Elsevier, vol. 40(3), pages 393-412.
- Vieira, Flávio & MacDonald, Ronald & Damasceno, Aderbal, 2012.
"The role of institutions in cross-section income and panel data growth models: A deeper investigation on the weakness and proliferation of instruments,"
Journal of Comparative Economics, Elsevier, vol. 40(1), pages 127-140.
- Aderbal Damasceno & Ronald MacDonald & Flávio Vieira, 2010. "The role of institutions in cross-section income and panel data growth models: a deeper investigation on the weakness and proliferation of instruments," Working Papers 2010_04, Business School - Economics, University of Glasgow.
- MacDonald, Ronald & Vieira, Flávio & Damasceno, Aderbal, 2010. "The Role of Institutions in Cross-Section Income and Panel Data Growth Models: A Deeper Investigation on the Weakness and Proliferation of Instruments," SIRE Discussion Papers 2010-50, Scottish Institute for Research in Economics (SIRE).
- Cho, Seo-Young & Vadlamannati, Krishna Chaitanya, 2012. "Compliance with the Anti-trafficking Protocol," European Journal of Political Economy, Elsevier, vol. 28(2), pages 249-265.
- Maurice J.G. Bun & Sarafidis, V., 2013. "Dynamic Panel Data Models," UvA-Econometrics Working Papers 13-01, Universiteit van Amsterdam, Dept. of Econometrics.
- Bloom, David E. & Canning, David & Kotschy, Rainer & Prettner, Klaus & Schünemann, Johannes, 2024.
"Health and economic growth: Reconciling the micro and macro evidence,"
World Development, Elsevier, vol. 178(C).
- Schünemann, Johannes & Bloom, David E. & Canning, David & Kotschy, Rainer & Prettner, Klaus, 2018. "Health and Economic Growth: Reconciling the Micro and Macro Evidence," VfS Annual Conference 2018 (Freiburg, Breisgau): Digital Economy 181554, Verein für Socialpolitik / German Economic Association.
- David E. Bloom & David Canning & Rainer Kotschy & Klaus Prettner & Johannes J. Schünemann, 2019. "Health and Economic Growth: Reconciling the Micro and Macro Evidence," NBER Working Papers 26003, National Bureau of Economic Research, Inc.
- Bloom, David E. & Canning, David & Kotschy, Rainer & Prettner, Klaus & Schünemann, Johannes, 2018. "Health and Economic Growth: Reconciling the Micro and Macro Evidence," IZA Discussion Papers 11940, Institute of Labor Economics (IZA).
- Bloom, David & Canning, David & Kotschy, Rainer & Prettner, Klaus & Schünemann, Johannes, 2022. "Health and Economic Growth: Reconciling the Micro and Macro Evidence," CEPR Discussion Papers 17393, C.E.P.R. Discussion Papers.
- David E. Bloom & David Canning & Rainer Kotschy & Klaus Prettner & Johannes Schünemann & Rainer Franz Kotschy, 2022. "Health and Economic Growth: Reconciling the Micro and Macro Evidence," CESifo Working Paper Series 9806, CESifo.
- Njangang, Henri & Beleck, Alim & Tadadjeu, Sosson & Kamguia, Brice, 2022. "Do ICTs drive wealth inequality? Evidence from a dynamic panel analysis," Telecommunications Policy, Elsevier, vol. 46(2).
- William Hauk & Romain Wacziarg, 2009.
"A Monte Carlo study of growth regressions,"
Journal of Economic Growth, Springer, vol. 14(2), pages 103-147, June.
- William R. Hauk & Romain Wacziarg, 2004. "A Monte Carlo Study of Growth Regressions," NBER Technical Working Papers 0296, National Bureau of Economic Research, Inc.
- Kufenko, Vadmin & Prettner, Klaus, 2017. "You can't always get what you want? A Monte Carlo analysis of the bias and the efficiency of dynamic panel data estimators," ECON WPS - Working Papers in Economic Theory and Policy 07/2017, TU Wien, Institute of Statistics and Mathematical Methods in Economics, Economics Research Unit.
- Tadadjeu, Sosson & Njangang, Henri & Asongu, Simplice A. & Kamguia, Brice, 2023.
"Natural resources, child mortality and governance quality in African countries,"
Resources Policy, Elsevier, vol. 83(C).
- Sosson Tadadjeu & Henri Njangang & Simplice A. Asongu & Brice Kamguia, 2021. "Natural resources, child mortality and governance quality in African countries," Working Papers 21/027, European Xtramile Centre of African Studies (EXCAS).
- Sosson Tadadjeu & Henri Njangang & Simplice A. Asongu & Brice Kamguia, 2021. "Natural resources, child mortality and governance quality in African countries," Working Papers of the African Governance and Development Institute. 21/027, African Governance and Development Institute..
- Tadadjeu, Sosson & Njangang, Henri & Asongu, Simplice & Kamguia, Brice, 2021. "Natural resources, child mortality and governance quality in African countries," MPRA Paper 110597, University Library of Munich, Germany.
- Sosson Tadadjeu & Henri Njangang & Simplice A. Asongu & Brice Kamguia, 2021. "Natural resources, child mortality and governance quality in African countries," Research Africa Network Working Papers 21/027, Research Africa Network (RAN).
Corrections
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:taf:irapec:v:37:y:2023:i:4:p:457-481. 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: Chris Longhurst (email available below). General contact details of provider: http://www.tandfonline.com/CIRA20 .
Please note that corrections may take a couple of weeks to filter through the various RePEc services.