Mohamed Imen Gallali

Personal Details

First Name:	Mohamed
Middle Name:	Imen
Last Name:	Gallali
Suffix:
RePEc Short-ID:	pga851
	[This author has chosen not to make the email address public]

Affiliation

École Supérieure de Commerce de Tunis
Université de la Manouba

Manouba, Tunisia
http://www.esct.rnu.tn/
RePEc:edi:ecumatn (more details at EDIRC)

Citations

Many of the citations below have been collected in an experimental project, CitEc, where a more detailed citation analysis can be found. These are citations from works listed in RePEc that could be analyzed mechanically. So far, only a minority of all works could be analyzed. See under "Corrections" how you can help improve the citation analysis.

Working papers

1. Mayssa Mhadhbi & Mohamed Imen Gallali & Stéphane Goutte & Khaled Guesmi, 2021. "On the asymmetric relationship between stock market development, energy efficiency and environmental quality: A nonlinear analysis," Working Papers halshs-03169689, HAL.
   • Mhadhbi, Mayssa & Gallali, Mohamed Imen & Goutte, Stephane & Guesmi, Khaled, 2021. "On the asymmetric relationship between stock market development, energy efficiency and environmental quality: A nonlinear analysis," International Review of Financial Analysis, Elsevier, vol. 77(C).

   Cited by:

   1. Dong, Kangyin & Shahbaz, Muhammad & Zhao, Jun, 2022. "How do pollution fees affect environmental quality in China?," Energy Policy, Elsevier, vol. 160(C).
   2. Arun Narayanasamy & Humnath Panta & Rohit Agarwal, 2023. "Relations among Bitcoin Futures, Bitcoin Spot, Investor Attention, and Sentiment," JRFM, MDPI, vol. 16(11), pages 1-24, November.
   3. Birindelli, Giuliana & Miazza, Aline & Paimanova, Viktoriia & Palea, Vera, 2023. "Just “blah blah blah”? Stock market expectations and reactions to COP26," International Review of Financial Analysis, Elsevier, vol. 88(C).
   4. Guo, Wen & Liu, Xiaorui, 2022. "Market fragmentation of energy resource prices and green total factor energy efficiency in China," Resources Policy, Elsevier, vol. 76(C).
   5. Khraiche, Maroula & Boudreau, James W. & Chowdhury, Md Shahedur R., 2023. "Geopolitical risk and stock market development," Journal of International Financial Markets, Institutions and Money, Elsevier, vol. 88(C).
   6. Arfaoui, Nadia & Naeem, Muhammad Abubakr & Maherzi, Teja & Kayani, Umar Nawaz, 2024. "Can green investment funds hedge climate risk?," Finance Research Letters, Elsevier, vol. 60(C).
   7. Chowdhury, Md Shahedur R. & Khraiche, Maroula & Boudreau, James W., 2023. "Corruption and stock market development: Developing vs. developed economies," International Review of Financial Analysis, Elsevier, vol. 89(C).
   8. Mohammed Musah, 2023. "Stock market development and environmental quality in EU member countries: a dynamic heterogeneous approach," Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, Springer, vol. 25(10), pages 11153-11187, October.
   9. Li, Yaya & Cobbinah, Joana & Abban, Olivier Joseph & Veglianti, Eleonora, 2023. "Does green manufacturing technology innovation decrease energy intensity for sustainable development?," Economic Analysis and Policy, Elsevier, vol. 78(C), pages 1010-1025.
   10. Mohd Irfan & Muhammad Shahbaz, 2022. "Low-carbon energy strategies and financial development in developing economies: investigating long-run influence of credit and equity market development," Mitigation and Adaptation Strategies for Global Change, Springer, vol. 27(4), pages 1-26, April.
   11. Saud, Shah & Haseeb, Abdul & Haider Zaidi, Syed Anees & Khan, Irfan & Li, Huiyun, 2024. "Moving towards green growth? Harnessing natural resources and economic complexity for sustainable development through the lens of the N-shaped EKC framework for the European Union," Resources Policy, Elsevier, vol. 91(C).
   12. Liang, Yunbao & Galiano, Jesus Cantero & Zhou, Hongxia, 2023. "The environmental impact of stock market capitalization and energy transition: Natural resource dynamics and international trade," Utilities Policy, Elsevier, vol. 82(C).

Articles

1. Amairi, Haifa & Gallali, Mohamed Imen & Sassi, Syrine, 2022. "Market pressure and cost of equity: Revisited," Finance Research Letters, Elsevier, vol. 47(PB).

   Cited by:

   1. Shen, Yuanyuan, 2024. "The impact of investor interest protection on corporate innovation efficiency," Finance Research Letters, Elsevier, vol. 62(PA).

2. Atri, Hanen & Kouki, Saoussen & Gallali, Mohamed imen, 2021. "The impact of COVID-19 news, panic and media coverage on the oil and gold prices: An ARDL approach," Resources Policy, Elsevier, vol. 72(C).

   Cited by:

   1. Salem, Leila Ben & Nouira, Ridha & Jeguirim, Khaled & Rault, Christophe, 2022. "The Determinants of Crude Oil Prices: Evidence from ARDL and Nonlinear ARDL Approaches," IZA Discussion Papers 15666, Institute of Labor Economics (IZA).
      • Leila Ben Salem & Ridha Nouira & Khaled Jeguirim & Christophe Rault, 2022. "The determinants of crude oil prices: Evidence from ARDL, and non linear ARSL approaches," Working Papers hal-04638858, HAL.
      • Leila BEN SALEM & Ridha NOUIRA & KHALED JEGUIRIM & Christophe RAULT, 2022. "The determinants of crude oil prices: Evidence from ARDL, and nonlinear ARSL approaches," LEO Working Papers / DR LEO 2958, Orleans Economics Laboratory / Laboratoire d'Economie d'Orleans (LEO), University of Orleans.
      • Leila Ben Salem & Ridha Nouira & Khaled Jeguirim & Christophe Rault, 2022. "The determinants of crude oil prices: Evidence from ARDL and nonlinear ARDL approaches," Post-Print hal-04143946, HAL.
      • Leila Ben Salem & Ridha Nouira & Khaled Jeguirim & Christophe Rault, 2022. "The Determinants of Crude Oil Prices: Evidence from ARDL and Nonlinear ARDL Approaches," CESifo Working Paper Series 10050, CESifo.
      • Ben Salem, Leila & Nouira, Ridha & Jeguirim, Khaled & Rault, Christophe, 2022. "The determinants of crude oil prices: Evidence from ARDL and nonlinear ARDL approaches," Resources Policy, Elsevier, vol. 79(C).
   2. Hao-Lin Shao & Ying-Hui Shao & Yan-Hong Yang, 2021. "New insights into price drivers of crude oil futures markets: Evidence from quantile ARDL approach," Papers 2110.02693, arXiv.org.
   3. Cui, Moyang & Wong, Wing-Keung & Wisetsri, Worakamol & Mabrouk, Fatma & Muda, Iskandar & Li, Zeyun & Hassan, Marria, 2023. "Do oil, gold and metallic price volatilities prove gold as a safe haven during COVID-19 pandemic? Novel evidence from COVID-19 data," Resources Policy, Elsevier, vol. 80(C).
   4. Xu, Qingqing & Meng, Tianci & Sha, Yue & Jiang, Xia, 2022. "Volatility in metallic resources prices in COVID-19 and financial Crises-2008: Evidence from global market," Resources Policy, Elsevier, vol. 78(C).
   5. Dogan, Eyup & Majeed, Muhammad Tariq & Luni, Tania, 2022. "Analyzing the nexus of COVID-19 and natural resources and commodities: Evidence from time-varying causality," Resources Policy, Elsevier, vol. 77(C).
   6. Zhang, Pengcheng & Xu, Kunpeng & Qi, Jiayin, 2023. "The impact of regulation on cryptocurrency market volatility in the context of the COVID-19 pandemic — evidence from China," Economic Analysis and Policy, Elsevier, vol. 80(C), pages 222-246.
   7. N. Arfaoui & M.A. Naeem & S. Boubaker & N. Mirza & S. Karim, 2023. "Interdependence of Clean Energy and Green Markets with Cryptocurrencies," Post-Print hal-04435467, HAL.
      • Arfaoui, Nadia & Naeem, Muhammad Abubakr & Boubaker, Sabri & Mirza, Nawazish & Karim, Sitara, 2023. "Interdependence of clean energy and green markets with cryptocurrencies," Energy Economics, Elsevier, vol. 120(C).
   8. Qiao, Sen & Dang, Yi Jing & Ren, Zheng Yu & Zhang, Kai Quan, 2023. "The dynamic spillovers among carbon, fossil energy and electricity markets based on a TVP-VAR-SV method," Energy, Elsevier, vol. 266(C).
   9. Zhou, Yuqin & Liu, Zhenhua & Wu, Shan, 2022. "The global economic policy uncertainty spillover analysis: In the background of COVID-19 pandemic," Research in International Business and Finance, Elsevier, vol. 61(C).
   10. Liu, Yunqiang & Liu, Sha & Ye, Deping & Tang, Hong & Wang, Fang, 2022. "Dynamic impact of negative public sentiment on agricultural product prices during COVID-19," Journal of Retailing and Consumer Services, Elsevier, vol. 64(C).
   11. Li, Dongxin & Zhang, Feipeng & Yuan, Di & Cai, Yuan, 2024. "Does COVID-19 impact the dependence between oil and stock markets? Evidence from RCEP countries," International Review of Economics & Finance, Elsevier, vol. 89(PA), pages 909-939.
   12. Li, Sufang & Xu, Qiufan & Lv, Yixue & Yuan, Di, 2022. "Public attention, oil and gold markets during the COVID-19: Evidence from time-frequency analysis," Resources Policy, Elsevier, vol. 78(C).
   13. Cooray, Arusha & Gangopadhyay, Partha & Das, Narasingha, 2023. "Causality between volatility and the weekly economic index during COVID-19: The predictive power of efficient markets and rational expectations," International Review of Financial Analysis, Elsevier, vol. 89(C).
   14. Wei, Yu & Wang, Zhuo & Li, Dongxin & Chen, Xiaodan, 2022. "Can infectious disease pandemic impact the long-term volatility and correlation of gold and crude oil markets?," Finance Research Letters, Elsevier, vol. 47(PA).
   15. Imen Gam, 2022. "Does a sanitary crisis drive oil prices and carbon emissions in the USA? Evidence from VECM modeling," Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, Springer, vol. 24(9), pages 10616-10632, September.
   16. Mike K. P. So & Jacky N. L. Chan & Amanda M. Y. Chu, 2022. "Dynamic Causality Analysis of COVID-19 Pandemic Risk and Oil Market Changes," JRFM, MDPI, vol. 15(6), pages 1-11, May.
   17. Costin Radu Boldea & Bogdan Ion Boldea & Tiberiu Iancu, 2023. "The Pandemic Waves’ Impact on the Crude Oil Price and the Rise of Consumer Price Index: Case Study for Six European Countries," Sustainability, MDPI, vol. 15(8), pages 1-15, April.
   18. Daniel Stefan Armeanu & Stefan Cristian Gherghina & Jean Vasile Andrei & Camelia Catalina Joldes, 2023. "Evidence from the nonlinear autoregressive distributed lag model on the asymmetric influence of the first wave of the COVID-19 pandemic on energy markets," Energy & Environment, , vol. 34(5), pages 1433-1470, August.
   19. Jiangwei Liu & Xiaohong Huang, 2021. "Forecasting Crude Oil Price Using Event Extraction," Papers 2111.09111, arXiv.org.
   20. Lu, Xunfa & Huang, Nan & Mo, Jianlei, 2024. "Time-varying causalities from the COVID-19 media coverage to the dynamic spillovers among the cryptocurrency, the clean energy, and the crude oil," Energy Economics, Elsevier, vol. 132(C).
   21. Yan Ding & Yue Liu & Pierre Failler, 2022. "The Impact of Uncertainties on Crude Oil Prices: Based on a Quantile-on-Quantile Method," Energies, MDPI, vol. 15(10), pages 1-35, May.
   22. Daniel Stefan Armeanu & Stefan Cristian Gherghina & Jean Vasile Andrei & Camelia Catalina Joldes, 2022. "Modeling the impact of the COVID‐19 outbreak on environment, health sector and energy market," Sustainable Development, John Wiley & Sons, Ltd., vol. 30(5), pages 1387-1416, October.
   23. Gharib, Cheima & Mefteh-Wali, Salma & Serret, Vanessa & Ben Jabeur, Sami, 2021. "Impact of COVID-19 pandemic on crude oil prices: Evidence from Econophysics approach," Resources Policy, Elsevier, vol. 74(C).
   24. Mohammed, Kamel Si & Obeid, Hassan & Oueslati, Karim & Kaabia, Olfa, 2023. "Investor sentiments, economic policy uncertainty, US interest rates, and financial assets: Examining their interdependence over time," Finance Research Letters, Elsevier, vol. 57(C).
   25. Kaushik Ranjan Bandyopadhyay, 2022. "Oil and Gas Markets and COVID-19: A Critical Rumination on Drivers, Triggers, and Volatility," Energies, MDPI, vol. 15(8), pages 1-21, April.
   26. Narasingha Das & Partha Gangopadhyay, 2023. "Did weekly economic index and volatility index impact US food sales during the first year of the pandemic?," Financial Innovation, Springer;Southwestern University of Finance and Economics, vol. 9(1), pages 1-23, December.
   27. Bouazizi, Tarek & Guesmi, Khaled & Galariotis, Emilios & Vigne, Samuel A., 2024. "Crude oil prices in times of crisis: The role of Covid-19 and historical events," International Review of Financial Analysis, Elsevier, vol. 91(C).
   28. Zhang, Hongwei & Hong, Huojun & Guo, Yaoqi & Yang, Cai, 2022. "Information spillover effects from media coverage to the crude oil, gold, and Bitcoin markets during the COVID-19 pandemic: Evidence from the time and frequency domains," International Review of Economics & Finance, Elsevier, vol. 78(C), pages 267-285.
   29. Cao, Yan & Cheng, Sheng, 2021. "Impact of COVID-19 outbreak on multi-scale asymmetric spillovers between food and oil prices," Resources Policy, Elsevier, vol. 74(C).
   30. Shah, Muhammad Ibrahim & Foglia, Matteo & Shahzad, Umer & Fareed, Zeeshan, 2022. "Green innovation, resource price and carbon emissions during the COVID-19 times: New findings from wavelet local multiple correlation analysis," Technological Forecasting and Social Change, Elsevier, vol. 184(C).
   31. Tuna, Gülfen & Tuna, Vedat Ender, 2022. "Are effects of COVID-19 pandemic on financial markets permanent or temporary? Evidence from gold, oil and stock markets," Resources Policy, Elsevier, vol. 76(C).
   32. Wang, Lu & Guan, Li & Ding, Qian & Zhang, Hongwei, 2023. "Asymmetric impact of COVID-19 news on the connectedness of the green energy, dirty energy, and non-ferrous metal markets," Energy Economics, Elsevier, vol. 126(C).
   33. Khalfaoui, Rabeh & Mefteh-Wali, Salma & Dogan, Buhari & Ghosh, Sudeshna, 2023. "Extreme spillover effect of COVID-19 pandemic-related news and cryptocurrencies on green bond markets: A quantile connectedness analysis," International Review of Financial Analysis, Elsevier, vol. 86(C).
   34. Chang, Lei & Baloch, Zulfiqar Ali & Saydaliev, Hayot Berk & Hyder, Mansoor & Dilanchiev, Azer, 2022. "Testing oil price volatility during Covid-19: Global economic impact," Resources Policy, Elsevier, vol. 78(C).
   35. Li, Cong & Lin, Shiwei & Sun, Yihan & Afshan, Sahar & Yaqoob, Tanzeela, 2022. "The asymmetric effect of oil price, news-based uncertainty, and COVID-19 pandemic on equity market," Resources Policy, Elsevier, vol. 77(C).
   36. Le, Thai-Ha & Le, Anh Tu & Le, Ha-Chi, 2021. "The historic oil price fluctuation during the Covid-19 pandemic: What are the causes?," Research in International Business and Finance, Elsevier, vol. 58(C).
   37. Niu, Shuhai & Chen, Yidong & Zhang, Ruiwen & Luo, Renfu & Feng, Yanchao, 2023. "Identifying and assessing the global causality among energy poverty, educational development, and public health from a novel perspective of natural resource policy optimization," Resources Policy, Elsevier, vol. 83(C).
   38. Zhou, Yang & Wang, Xiaoxiao & Dong, Rebecca Kechen & Pu, Ruihui & Yue, Xiao-Guang, 2022. "Natural resources commodity prices volatility: Evidence from COVID-19 for the US economy," Resources Policy, Elsevier, vol. 78(C).
   39. Zhang, Ru & Zhao, Wenhao & Wang, Yong, 2024. "Is there a relationship between economic growth and natural resource commodity price volatility? Evidence from China," Resources Policy, Elsevier, vol. 88(C).
   40. José, Barrales-Ruíz & Pino, Gabriel, 2024. "On the effect of short-run and long-run US economic expectations on oil and gold volatilities," Resources Policy, Elsevier, vol. 91(C).
   41. Ştefan Cristian Gherghina & Liliana Nicoleta Simionescu, 2023. "Exploring the asymmetric effect of COVID-19 pandemic news on the cryptocurrency market: evidence from nonlinear autoregressive distributed lag approach and frequency domain causality," Financial Innovation, Springer;Southwestern University of Finance and Economics, vol. 9(1), pages 1-58, December.
   42. Zeravan Abdulmuhsen Asaad & Amjad Saber Al-Delawi, 2022. "Iraqi Stock Exchange Reactions to the Oil price, Covid-19 Aftermath, and the Saudi Stock Exchange Movements pre-during Vaccination Program," International Journal of Energy Economics and Policy, Econjournals, vol. 12(5), pages 18-30, September.
   43. Chi-Wei Su & Lidong Pang & Muhammad Umar & Oana-Ramona Lobonţ, 2022. "Will Gold Always Shine amid World Uncertainty?," Emerging Markets Finance and Trade, Taylor & Francis Journals, vol. 58(12), pages 3425-3438, September.
   44. Qiao, Xingzhi & Zhu, Huiming & Zhang, Zhongqingyang & Mao, Weifang, 2022. "Time-frequency transmission mechanism of EPU, investor sentiment and financial assets: A multiscale TVP-VAR connectedness analysis," The North American Journal of Economics and Finance, Elsevier, vol. 63(C).

3. Mhadhbi, Mayssa & Gallali, Mohamed Imen & Goutte, Stephane & Guesmi, Khaled, 2021. "On the asymmetric relationship between stock market development, energy efficiency and environmental quality: A nonlinear analysis," International Review of Financial Analysis, Elsevier, vol. 77(C).
   • Mayssa Mhadhbi & Mohamed Imen Gallali & Stéphane Goutte & Khaled Guesmi, 2021. "On the asymmetric relationship between stock market development, energy efficiency and environmental quality: A nonlinear analysis," Working Papers halshs-03169689, HAL.
   See citations under working paper version above.
4. Chkir, Imed & Gallali, Mohamed Imen & Toukabri, Manara, 2020. "Political connections and corporate debt: Evidence from two U.S. election campaigns," The Quarterly Review of Economics and Finance, Elsevier, vol. 75(C), pages 229-239.

   Cited by:

   1. David Adeabah & Charles Andoh & Simplice A. Asongu & Isaac Akomea-Frimpong, 2021. "Elections, Political Connections and Cash Holdings: Evidence from Local Assemblies," Working Papers 21/004, European Xtramile Centre of African Studies (EXCAS).
      • David Adeabah & Charles Andoh & Simplice A. Asongu & Isaac Akomea-Frimpong, 2021. "Elections, Political Connections and Cash Holdings: Evidence from Local Assemblies," Research Africa Network Working Papers 21/004, Research Africa Network (RAN).
      • Adeabah, David & Andoh, Charles & Asongu, Simplice & Akomea-Frimpong, Isaac, 2021. "Elections, Political Connections and Cash Holdings: Evidence from Local Assemblies," MPRA Paper 109836, University Library of Munich, Germany.
      • David Adeabah & Charles Andoh & Simplice A. Asongu & Isaac Akomea-Frimpong, 2021. "Elections, Political Connections and Cash Holdings: Evidence from Local Assemblies," Working Papers of the African Governance and Development Institute. 21/004, African Governance and Development Institute..
   2. Budi Wahyono, 2023. "Do political connections affect the environmental performance of Sharia-compliant and non-Sharia-compliant firms? Evidence from Indonesia's PROPER program," Economics Bulletin, AccessEcon, vol. 43(4), pages 1771-1779.
   3. Li, Qian & Wang, Shihao & Song, Victor, 2023. "Product competition, political connections, and the costs of high leverage," Journal of Empirical Finance, Elsevier, vol. 74(C).
   4. Nan Zhang & Qiaozhuan Liang & Huiying Li & Xiao Wang, 2022. "The organizational relationship–based political connection and debt financing: Evidence from Chinese private firms," Bulletin of Economic Research, Wiley Blackwell, vol. 74(1), pages 69-105, January.
   5. Schweizer, Denis & Walker, Thomas & Zhang, Aoran, 2023. "False hopes and blind beliefs: How political connections affect China's corporate bond market," Journal of Banking & Finance, Elsevier, vol. 151(C).
   6. Braham, Rihem & de Peretti, Christian & Belkacem, Lotfi, 2023. "Political patronage and banks’ leverage in the Middle Eastern and North African region: A new neural panel regression analysis," The Quarterly Review of Economics and Finance, Elsevier, vol. 89(C), pages 298-306.
   7. Budi Wahyono, 2023. "Do political connections affect the market reaction to firms’ inclusion in or exclusion from the Sharia index?," Eurasian Business Review, Springer;Eurasia Business and Economics Society, vol. 13(4), pages 835-854, December.

5. Mohamed Amin Chakroun & Mohamed Imen Gallali, 2017. "Contribution of Islamic banks to systemic risk," International Journal of Banking, Accounting and Finance, Inderscience Enterprises Ltd, vol. 8(1), pages 52-92.

   Cited by:

   1. Wahyu Jatmiko & M. Shahid Ebrahim & Abdullah Iqbal & Rafal M. Wojakowski, 2023. "Can trade credit rejuvenate Islamic banking?," Review of Quantitative Finance and Accounting, Springer, vol. 60(1), pages 111-146, January.

6. Bouras Mehdi & Gallali Mohamed Imen, 2017. "Managerial Ownership, Board of Directors, Equity-based Compensation and Firm Performance: A Comparative Study between France and the United States," Mediterranean Journal of Social Sciences, Sciendo, vol. 8(1), pages 78-95, January.

   Cited by:

   1. Amin Jan & Maran Marimuthu & Rohail Hassan & Mehreen, 2019. "Sustainable Business Practices and Firm’s Financial Performance in Islamic Banking: Under the Moderating Role of Islamic Corporate Governance," Sustainability, MDPI, vol. 11(23), pages 1-25, November.

7. Mohamed Imen Gallali & Mehdi Bouras, 2012. "Determinants of stock options awards: evidence from French firms," International Journal of Business Governance and Ethics, Inderscience Enterprises Ltd, vol. 7(4), pages 279-300.

   Cited by:

   1. Bouras Mehdi & Gallali Mohamed Imen, 2014. "The Determinants Of Equity Based Compensation: A Bidimensional Validity Of The Agency Theory," Asian Academy of Management Journal of Accounting and Finance (AAMJAF), Penerbit Universiti Sains Malaysia, vol. 10(2), pages 117-145.

More information

Research fields, statistics, top rankings, if available.

Statistics

Access and download statistics for all items

Co-authorship network on CollEc

NEP Fields

NEP is an announcement service for new working papers, with a weekly report in each of many fields. This author has had 1 paper announced in NEP. These are the fields, ordered by number of announcements, along with their dates. If the author is listed in the directory of specialists for this field, a link is also provided.

1. NEP-ENE: Energy Economics (1) 2021-03-29
2. NEP-ENV: Environmental Economics (1) 2021-03-29
3. NEP-FDG: Financial Development and Growth (1) 2021-03-29
4. NEP-SEA: South East Asia (1) 2021-03-29

Corrections

All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. For general information on how to correct material on RePEc, see these instructions.

To update listings or check citations waiting for approval, Mohamed Imen Gallali should log into the RePEc Author Service.

To make corrections to the bibliographic information of a particular item, find the technical contact on the abstract page of that item. There, details are also given on how to add or correct references and citations.

To link different versions of the same work, where versions have a different title, use this form. Note that if the versions have a very similar title and are in the author's profile, the links will usually be created automatically.

Please note that most corrections can take a couple of weeks to filter through the various RePEc services.