Robustness and Resilience of Supply Chains During the COVID-19 Pandemic: Findings from a Questionnaire Survey on the Supply Chain Links of Firms in ASEAN and India
Author
Suggested Citation
Download full text from publisher
References listed on IDEAS
- Vasco M Carvalho & Makoto Nirei & Yukiko U Saito & Alireza Tahbaz-Salehi, 2021.
"Supply Chain Disruptions: Evidence from the Great East Japan Earthquake,"
The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 136(2), pages 1255-1321.
- Yukiko Saito & Makoto Nirei & Vasco Carvalho, 2014. "Supply Chain Disruptions: Evidence from Great East Japan Earthquake," 2014 Meeting Papers 595, Society for Economic Dynamics.
- Vasco M. Carvalho & Makoto Nirei & Yukiko U. Saito & Alireza Tahbaz-Salehi, 2016. "Supply Chain Disruptions: Evidence from the Great East Japan Earthquake," Discussion papers ron287, Policy Research Institute, Ministry of Finance Japan.
- Carvalho, Vasco & Nirei, Makoto & Saito, Yukiko & Tahbaz-Salehi, Alireza, 2016. "Supply Chain Disruptions: Evidence from the Great East Japan Earthquake," CEPR Discussion Papers 11711, C.E.P.R. Discussion Papers.
- Vasco M. CARVALHO & NIREI Makoto & SAITO Yukiko, 2014. "Supply Chain Disruptions: Evidence from the Great East Japan Earthquake," Discussion papers 14035, Research Institute of Economy, Trade and Industry (RIETI).
- Carvalho, V. M. & Nirei, M. & Saito, Y. U. & Alireza Tahbaz-Salehi, A., 2016. "Supply Chain Disruptions: Evidence from the Great East Japan Earthquake," Cambridge Working Papers in Economics 1670, Faculty of Economics, University of Cambridge.
- repec:dau:papers:123456789/10840 is not listed on IDEAS
- Hiroyasu Inoue & Yasuyuki Todo, 2020.
"The propagation of economic impacts through supply chains: The case of a mega-city lockdown to prevent the spread of COVID-19,"
PLOS ONE, Public Library of Science, vol. 15(9), pages 1-10, September.
- INOUE Hiroyasu & TODO Yasuyuki, 2020. "The Propagation of Economic Impacts through Supply Chains: The Case of a Mega-city Lockdown to Prevent the Spread of COVID-19," Discussion papers 20037, Research Institute of Economy, Trade and Industry (RIETI).
- Fukunari Kimura & Ayako Obashi, 2016.
"Production Networks in East Asia: What We Know So Far,"
ADB Institute Series on Development Economics, in: Ganeshan Wignaraja (ed.), Production Networks and Enterprises in East Asia, edition 1, chapter 0, pages 33-64,
Springer.
- Kimura, Fukunari & Obashi, Ayako, 2011. "Production Networks in East Asia: What We Know So Far," ADBI Working Papers 320, Asian Development Bank Institute.
- Fukunari Kimura & Ayako Obashi, 2011. "Production Networks in East Asia : What We Know So Far," Microeconomics Working Papers 23216, East Asian Bureau of Economic Research.
- Fukunari Kimura & Ayako Obashi, 2011. "Production Networks in East Asia : What We Know So Far," Trade Working Papers 23216, East Asian Bureau of Economic Research.
- Christoph E. Boehm & Aaron Flaaen & Nitya Pandalai-Nayar, 2019.
"Input Linkages and the Transmission of Shocks: Firm-Level Evidence from the 2011 Tōhoku Earthquake,"
The Review of Economics and Statistics, MIT Press, vol. 101(1), pages 60-75, March.
- Nitya Pandalai Nayar & Aaron Flaaen & Christoph Boehm, 2015. "Input Linkages and the Transmission of Shocks: Firm-Level Evidence from the 2011 Tohoku Earthquake," 2015 Meeting Papers 383, Society for Economic Dynamics.
- Christoph E. Boehm & Aaron Flaaen & Nitya Pandalai-Nayar, 2015. "Input Linkages and the Transmission of Shocks: Firm-Level Evidence from the 2011 Tohoku Earthquake," Working Papers 15-28, Center for Economic Studies, U.S. Census Bureau.
- Christoph E. Boehm & Aaron Flaaen & Nitya Pandalai-Nayar, 2015. "Input Linkages and the Transmission of Shocks: Firm-Level Evidence from the 2011 Tohōku Earthquake," Finance and Economics Discussion Series 2015-94, Board of Governors of the Federal Reserve System (U.S.).
- Ayako Obashi & Fukunari Kimura, 2017. "Deepening and Widening of Production Networks in ASEAN," Asian Economic Papers, MIT Press, vol. 16(1), pages 1-27, Winter/Sp.
- Yasuyuki Todo & Kentaro Nakajima & Petr Matous, 2015.
"How Do Supply Chain Networks Affect The Resilience Of Firms To Natural Disasters? Evidence From The Great East Japan Earthquake,"
Journal of Regional Science, Wiley Blackwell, vol. 55(2), pages 209-229, March.
- TODO Yasuyuki & NAKAJIMA Kentaro & Petr MATOUS, 2013. "How Do Supply Chain Networks Affect the Resilience of Firms to Natural Disasters? Evidence from the Great East Japan Earthquake," Discussion papers 13028, Research Institute of Economy, Trade and Industry (RIETI).
- Joya, Omar & Rougier, Eric, 2019.
"Do (all) sectoral shocks lead to aggregate volatility? Empirics from a production network perspective,"
European Economic Review, Elsevier, vol. 113(C), pages 77-107.
- O. Joya & Eric Rougier, 2019. "Do (all) sectoral shocks lead to aggregate volatility? Empirics from a production network perspective," Post-Print hal-02486376, HAL.
- Vasco M Carvalho & Makoto Nirei & Yukiko U Saito & Alireza Tahbaz-Salehi, 0.
"Supply Chain Disruptions: Evidence from the Great East Japan Earthquake,"
The Quarterly Journal of Economics, Oxford University Press, vol. 136(2), pages 1255-1321.
- Yukiko Saito & Makoto Nirei & Vasco Carvalho, 2014. "Supply Chain Disruptions: Evidence from Great East Japan Earthquake," 2014 Meeting Papers 595, Society for Economic Dynamics.
- Vasco M. Carvalho & Makoto Nirei & Yukiko U. Saito & Alireza Tahbaz-Salehi, 2016. "Supply Chain Disruptions: Evidence from the Great East Japan Earthquake," Discussion papers ron287, Policy Research Institute, Ministry of Finance Japan.
- Vasco M. CARVALHO & NIREI Makoto & SAITO Yukiko, 2014. "Supply Chain Disruptions: Evidence from the Great East Japan Earthquake," Discussion papers 14035, Research Institute of Economy, Trade and Industry (RIETI).
- Carvalho, Vasco M & Nirei, Makoto & Saito, Yukiko U. & Tahbaz-Salehi, Alireza, 2016. "Supply Chain Disruptions: Evidence from the Great East Japan Earthquake," CEPR Discussion Papers 11711, C.E.P.R. Discussion Papers.
- Carvalho, V. M. & Nirei, M. & Saito, Y. U. & Alireza Tahbaz-Salehi, A., 2016. "Supply Chain Disruptions: Evidence from the Great East Japan Earthquake," Cambridge Working Papers in Economics 1670, Faculty of Economics, University of Cambridge.
- Eric Rougier & O. Joya, 2019. "Do (all) sectoral shocks lead to aggregate volatility ? A production network perspective," Post-Print hal-02273192, HAL.
- Hiroyasu Inoue & Yohsuke Murase & Yasuyuki Todo, 2021.
"Do economic effects of the anti-COVID-19 lockdowns in different regions interact through supply chains?,"
PLOS ONE, Public Library of Science, vol. 16(7), pages 1-19, July.
- Hiroyasu Inoue & Yohsuke Murase & Yasuyuki Todo, 2020. "Do economic effects of the anti-COVID-19 lockdowns in different regions interact through supply chains?," Papers 2009.06894, arXiv.org, revised Jan 2021.
- INOUE Hiroyasu & MURASE Yohsuke & TODO Yasuyuki, 2021. "Do Economic Effects of the Anti-COVID-19 Lockdowns in Different Regions Interact through Supply Chains?," Discussion papers 21001, Research Institute of Economy, Trade and Industry (RIETI).
- Sergio Currarini & Matthew O. Jackson & Paolo Pin, 2009.
"An Economic Model of Friendship: Homophily, Minorities, and Segregation,"
Econometrica, Econometric Society, vol. 77(4), pages 1003-1045, July.
- Sergio Currarini & Paolo Pin & Matthew O. Jackson, 2007. "An Economic Model of Friendship: Homophily, Minorities and Segregation," Working Papers 2007_20, Department of Economics, University of Venice "Ca' Foscari".
- Woods, David D., 2015. "Four concepts for resilience and the implications for the future of resilience engineering," Reliability Engineering and System Safety, Elsevier, vol. 141(C), pages 5-9.
- Sharma, Amalesh & Adhikary, Anirban & Borah, Sourav Bikash, 2020. "Covid-19′s impact on supply chain decisions: Strategic insights from NASDAQ 100 firms using Twitter data," Journal of Business Research, Elsevier, vol. 117(C), pages 443-449.
- Kazunobu Hayakawa & Hiroshi Mukunoki, 2021.
"Impacts of COVID‐19 on Global Value Chains,"
The Developing Economies, Institute of Developing Economies, vol. 59(2), pages 154-177, June.
- Hayakawa, Kazunobu & Mukunoki, Hiroshi, 2020. "Impacts of COVID-19 on global value chains," IDE Discussion Papers 797, Institute of Developing Economies, Japan External Trade Organization(JETRO).
- Fafchamps, Marcel & Gubert, Flore, 2007.
"The formation of risk sharing networks,"
Journal of Development Economics, Elsevier, vol. 83(2), pages 326-350, July.
- Marcel Fafchamps & Flore Gubert, 2005. "The Formation of Risk Sharing Networks," Working Papers DT/2005/13, DIAL (Développement, Institutions et Mondialisation).
- Marcel Fafchamps & Flore Gubert & IRD-Paris & DIAL, 2005. "The Formation of Risk Sharing Networks," Economics Series Working Papers GPRG-WPS-037, University of Oxford, Department of Economics.
- Jean-Noël Barrot & Julien Sauvagnat, 2016. "Input Specificity and the Propagation of Idiosyncratic Shocks in Production Networks," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 131(3), pages 1543-1592.
- Marcel Fafchamps & Flore Gubert, 2007.
"Risk Sharing and Network Formation,"
American Economic Review, American Economic Association, vol. 97(2), pages 75-79, May.
- Marcel Fafchamps & Flore Gubert & DIAL, 2007. "Risk Sharing and Network Formation," Economics Series Working Papers GPRG-WPS-067, University of Oxford, Department of Economics.
- Angappa Gunasekaran & Nachiappan Subramanian & Shams Rahman, 2015. "Supply chain resilience: role of complexities and strategies," International Journal of Production Research, Taylor & Francis Journals, vol. 53(22), pages 6809-6819, November.
- Mariagiovanna Baccara & Leeat Yariv, 2013. "Homophily in Peer Groups," American Economic Journal: Microeconomics, American Economic Association, vol. 5(3), pages 69-96, August.
- Keita Oikawa & Yasuyuki Todo & Masahito Ambashi & Fukunari Kimura & Shujiro Urata, 2021. "The Impact of COVID-19 on Business Activities and Supply Chains in the ASEAN Member States and India," Working Papers DP-2021-17, Economic Research Institute for ASEAN and East Asia (ERIA).
- Tadao Hoshino & Daichi Shimamoto & Yasuyuki Todo, 2020.
"Accounting for Heterogeneity in Network Formation Behaviour: An Application to Vietnamese SMEs,"
Oxford Bulletin of Economics and Statistics, Department of Economics, University of Oxford, vol. 82(5), pages 1042-1067, October.
- HOSHINO Tadao & SHIMAMOTO Daichi & TODO Yasuyuki, 2017. "Accounting for Heterogeneity in Network Formation Behavior: An application to Vietnamese SMEs," Discussion papers 17023, Research Institute of Economy, Trade and Industry (RIETI).
- repec:dau:papers:123456789/4392 is not listed on IDEAS
- Jeffrey H. Dyer & Kentaro Nobeoka, 2000. "Creating and managing a high‐performance knowledge‐sharing network: the Toyota case," Strategic Management Journal, Wiley Blackwell, vol. 21(3), pages 345-367, March.
- Hiroyasu Inoue & Yasuyuki Todo, 2020. "The propagation of the economic impact through supply chains: The case of a mega-city lockdown against the spread of COVID-19," Papers 2003.14002, arXiv.org.
Citations
Citations are extracted by the CitEc Project, subscribe to its RSS feed for this item.
Cited by:
- TODO Yasuyuki, 2022. "Resilient and Innovative Supply Chains: Evidence-based policy and managerial implications," Policy Discussion Papers 22024, Research Institute of Economy, Trade and Industry (RIETI).
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.- Yasuyuki Todo & Keita Oikawa & Masahito Ambashi & Fukunari Kimura & Shujiro Urata, 2023. "Robustness and resilience of supply chains during the COVID‐19 pandemic," The World Economy, Wiley Blackwell, vol. 46(6), pages 1843-1872, June.
- Yuzuka Kashiwagi & Yasuyuki Todo & Petr Matous, 2021. "Propagation of economic shocks through global supply chains—Evidence from Hurricane Sandy," Review of International Economics, Wiley Blackwell, vol. 29(5), pages 1186-1220, November.
- Yasuyuki Todo & Hiroyasu Inoue, 2021. "Geographic Diversification of the Supply Chains of Japanese Firms," Asian Economic Policy Review, Japan Center for Economic Research, vol. 16(2), pages 304-322, July.
- Antoine Mandel & Vipin Veetil, 2020.
"The Economic Cost of COVID Lockdowns: An Out-of-Equilibrium Analysis,"
Economics of Disasters and Climate Change, Springer, vol. 4(3), pages 431-451, October.
- Antoine Mandel & Vipin Veetil, 2020. "The Economic Cost of COVID Lockdowns: An Out-of-Equilibrium Analysis," Post-Print halshs-03043350, HAL.
- Antoine Mandel & Vipin Veetil, 2020. "The Economic Cost of COVID Lockdowns: An Out-of-Equilibrium Analysis," PSE-Ecole d'économie de Paris (Postprint) halshs-03043350, HAL.
- Antoine Mandel & Vipin Veetil, 2020. "The Economic Cost of COVID Lockdowns: An Out-of-Equilibrium Analysis," Université Paris1 Panthéon-Sorbonne (Post-Print and Working Papers) halshs-03043350, HAL.
- Hayato Kato & Toshihiro Okubo, 2022.
"The Resilience of FDI to Natural Disasters Through Industrial Linkages,"
Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 82(1), pages 177-225, May.
- Kato, Hayato & Okubo, Toshihiro, 2021. "The Resilience of FDI to Natural Disasters through Industrial Linkages," MPRA Paper 111187, University Library of Munich, Germany.
- Hayato Kato & Toshihiro Okubo, 2022. "The Resilience of FDI to Natural Disasters through Industrial Linkages," Papers 2201.06197, arXiv.org, revised Apr 2022.
- KATO Hayato & OKUBO Toshihiro, 2021. "The Resilience of FDI to Natural Disasters through Industrial Linkages," Discussion papers 21044, Research Institute of Economy, Trade and Industry (RIETI).
- Hayato Kato & Toshihiro Okubo, 2021. "The Resilience of FDI to Natural Disasters through Industrial Linkages," Discussion Papers in Economics and Business 21-06, Osaka University, Graduate School of Economics.
- Kato, Hayato & Okubo, Toshihiro, 2021. "The Resilience of FDI to Natural Disasters through Industrial Linkages," MPRA Paper 108091, University Library of Munich, Germany.
- INOUE Hiroyasu & MURASE Yohsuke & TODO Yasuyuki, 2022. "Lockdowns Require Geographic Coordination because of the Propagation of Economic Effects through Supply Chains," Discussion papers 22076, Research Institute of Economy, Trade and Industry (RIETI).
- Längle, Katharina & Xu, Ankai & Tian, Ruijie, 2021. "Assessing the supply chain effect of natural disasters: Evidence from Chinese manufacturers," WTO Staff Working Papers ERSD-2021-13, World Trade Organization (WTO), Economic Research and Statistics Division.
- Bacchetta, Marc & Bekkers, Eddy & Piermartini, Roberta & Rubinova, Stela & Stolzenburg, Victor & Xu, Ankai, 2021. "COVID-19 and global value chains: A discussion of arguments on value chain organization and the role of the WTO," WTO Staff Working Papers ERSD-2021-3, World Trade Organization (WTO), Economic Research and Statistics Division.
- Hiroyasu Inoue & Yohsuke Murase & Yasuyuki Todo, 2021.
"Do economic effects of the anti-COVID-19 lockdowns in different regions interact through supply chains?,"
PLOS ONE, Public Library of Science, vol. 16(7), pages 1-19, July.
- Hiroyasu Inoue & Yohsuke Murase & Yasuyuki Todo, 2020. "Do economic effects of the anti-COVID-19 lockdowns in different regions interact through supply chains?," Papers 2009.06894, arXiv.org, revised Jan 2021.
- INOUE Hiroyasu & MURASE Yohsuke & TODO Yasuyuki, 2021. "Do Economic Effects of the Anti-COVID-19 Lockdowns in Different Regions Interact through Supply Chains?," Discussion papers 21001, Research Institute of Economy, Trade and Industry (RIETI).
- INOUE Hiroyasu & TODO Yasuyuki, 2022. "Propagation of Overseas Economic Shocks through Global Supply Chains: Firm-level evidence," Discussion papers 22062, Research Institute of Economy, Trade and Industry (RIETI).
- Takano, Keisuke, 2019. "Does visible shock update firms' unrelated trade diversity in anticipation of future shock? Evidence from the Great East Japan Earthquake and expected Nankai Trough Earthquake," TDB-CAREE Discussion Paper Series E-2019-01, Teikoku Databank Center for Advanced Empirical Research on Enterprise and Economy, Graduate School of Economics, Hitotsubashi University.
- INOUE Hiroyasu & OKUMURA Yoshihiro & TORAYASHIKI Tetsuya & TODO Yasuyuki, 2022. "Establishment-level Simulation of Supply Chain Disruption: The case of the Great East Japan Earthquake," Discussion papers 22059, Research Institute of Economy, Trade and Industry (RIETI).
- Ding, Li & Lam, Hugo K.S. & Cheng, T.C.E. & Zhou, Honggeng, 2021. "The contagion and competitive effects across national borders: Evidence from the 2016 Kumamoto earthquakes," International Journal of Production Economics, Elsevier, vol. 235(C).
- Yuzuka Kashiwagi & Petr Matous & Yasuyuki Todo, 2018. "International propagation of economic shocks through global supply chains," Working Papers 1810, Waseda University, Faculty of Political Science and Economics.
- Qianxue Zhang, 2022. "The Hubei lockdown and its global impacts via supply chains," Review of International Economics, Wiley Blackwell, vol. 30(4), pages 1087-1109, September.
- Alex Nikolsko‐Rzhevskyy & Oleksandr Talavera & Nam Vu, 2023.
"The flood that caused a drought,"
Economic Inquiry, Western Economic Association International, vol. 61(4), pages 965-981, October.
- Alex Nikolsko-Rzhevskyy & Oleksandr Talavera & Nam Vu, 2020. "The Flood that Caused a Drought," Discussion Papers 20-14, Department of Economics, University of Birmingham.
- Banu Demir & Beata Javorcik & Tomasz K. Michalski & Evren Ors, 2024.
"Financial Constraints and Propagation of Shocks in Production Networks,"
The Review of Economics and Statistics, MIT Press, vol. 106(2), pages 437-454, March.
- Banu Demir & Beata Javorcik & Tomasz K. Michalski & Evren Ors, 2020. "Financial Constraints and propagation of shocks in production network," Discussion Papers 2020-23, University of Nottingham, GEP.
- Javorcik, Beata & Demir, Banu & Michalski, Tomasz K. & ÖRS, Evren, 2020. "Financial Constraints and Propagation of Shocks in Production Networks," CEPR Discussion Papers 15316, C.E.P.R. Discussion Papers.
- Banu Demir Pakel & Beata Smarzynska Javorcik & Tomasz K. Michalski & Evren Ors, 2020. "Financial Constraints and Propagation of Shocks in Production Networks," CESifo Working Paper Series 8607, CESifo.
- Andrew B. Bernard & Andreas Moxnes, 2018.
"Networks and Trade,"
Annual Review of Economics, Annual Reviews, vol. 10(1), pages 65-85, August.
- Bernard, Andrew & Moxnes, Andreas, 2018. "Networks and Trade," CEPR Discussion Papers 12891, C.E.P.R. Discussion Papers.
- Andrew B. Bernard & Andreas Moxnes, 2018. "Networks and trade," CEP Discussion Papers dp1541, Centre for Economic Performance, LSE.
- Andrew B. Bernard & Andreas Moxnes, 2018. "Networks and Trade," NBER Working Papers 24556, National Bureau of Economic Research, Inc.
- Bernard, Andrew B. & Moxnes, Andreas, 2018. "Networks and trade," LSE Research Online Documents on Economics 88692, London School of Economics and Political Science, LSE Library.
- Alfaro, Laura & García-Santana, Manuel & Moral-Benito, Enrique, 2021.
"On the direct and indirect real effects of credit supply shocks,"
Journal of Financial Economics, Elsevier, vol. 139(3), pages 895-921.
- Laura Alfaro & Manuel García-Santana & Enrique Moral-Benito, 2018. "On the direct and indirect real effects of credit supply shocks," Working Papers 1809, Banco de España.
- Laura Alfaro & Manuel García-Santana & Enrique Moral-Benito, 2019. "On the Direct and Indirect Real Effects of Credit Supply Shocks," NBER Working Papers 25458, National Bureau of Economic Research, Inc.
- GarcÃa-Santana, Manuel & Alfaro, Laura & Moral-Benito, Enrique, 2018. "On the Direct and Indirect Real Effects of Credit Supply Shocks," CEPR Discussion Papers 12794, C.E.P.R. Discussion Papers.
- Laura Alfaro & Enrique Moral-Benito & Manuel Garcia-Santana, 2018. "On the Direct and Indirect Real Effects of Credit Supply Shocks," 2018 Meeting Papers 39, Society for Economic Dynamics.
- Bas, Maria & Fernandes, Ana & Paunov, Caroline, 2024.
"How resilient was trade to COVID-19?,"
Economics Letters, Elsevier, vol. 240(C).
- Bas,Maria & Fernandes,Ana Margarida & Paunov,Caroline, 2022. "How Resilient Was Trade to COVID-19 ?," Policy Research Working Paper Series 9975, The World Bank.
- Maria Bas & Ana Margarida Fernandes & Caroline Paunov, 2022. "How Resilient Was Trade to Covid-19?," CESifo Working Paper Series 9652, CESifo.
More about this item
Keywords
COVID-19; Robustness of supply chains; Resilience of supply chains; Homophily; Asia;All these keywords.
JEL classification:
- F14 - International Economics - - Trade - - - Empirical Studies of Trade
- F23 - International Economics - - International Factor Movements and International Business - - - Multinational Firms; International Business
- L14 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Transactional Relationships; Contracts and Reputation
NEP fields
This paper has been announced in the following NEP Reports:- NEP-INT-2021-10-25 (International Trade)
- NEP-SEA-2021-10-25 (South East Asia)
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:era:wpaper:dp-2021-40. 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: Ranti Amelia (email available below). General contact details of provider: https://edirc.repec.org/data/eriadid.html .
Please note that corrections may take a couple of weeks to filter through the various RePEc services.