Gema Fernández-Avilés
(GEMA FERNANDEZ-AVILES)
Personal Details
First Name: | Gema |
Middle Name: | |
Last Name: | Fernandez-Aviles |
Suffix: | |
RePEc Short-ID: | pfe299 |
| |
http://www.uclm.es/profesorado/gemafaviles/ | |
Affiliation
Área de Estadídistica Económica y Empresarial
Departamento de Economía Política y Hacienda Pública, Estadística Económica y Empresarial y Política Económica
Facultad de Ciencias Económicas y Empresariales
Universidad de Castilla La Mancha
Albacete, Spainhttp://www.uclm.es/area/estadisticas/
RePEc:edi:seclmes (more details at EDIRC)
Research output
Jump to: Working papers ArticlesWorking papers
- Fernández-Avilés, G & Montero, JM & Mateu, J, 2011. "Mathematical Genesis of the Spatio-Temporal Covariance Functions," MPRA Paper 35874, University Library of Munich, Germany.
Articles
- Laureti, Tiziana & Montero, José-María & Fernández-Avilés, Gema, 2014. "A local scale analysis on influencing factors of NOx emissions: Evidence from the Community of Madrid, Spain," Energy Policy, Elsevier, vol. 74(C), pages 557-568.
- Román Mínguez & José-María Montero & Gema Fernández-Avilés, 2013. "Measuring the impact of pollution on property prices in Madrid: objective versus subjective pollution indicators in spatial models," Journal of Geographical Systems, Springer, vol. 15(2), pages 169-191, April.
- Fernández-Avilés, Gema & Montero, Jose-María & Orlov, Alexei G., 2012. "Spatial modeling of stock market comovements," Finance Research Letters, Elsevier, vol. 9(4), pages 202-212.
- Gema Fernandez-Aviles & Roman Minguez & Jose-Maria Montero, 2012. "Geostatistical Air Pollution Indexes in Spatial Hedonic Models: The case of Madrid, Spain," Journal of Real Estate Research, American Real Estate Society, vol. 34(2), pages 243-274.
- Montero, José-María & Fernández-Avilés , Gema & Mínguez, Román, 2011. "Spatial Hedonic Pricing Models for Testing the Adequacy of Acoustic Areas in Madrid, Spain," INVESTIGACIONES REGIONALES - Journal of REGIONAL RESEARCH, Asociación Española de Ciencia Regional, issue 21, pages 157-181.
- José‐María Montero & Gema Fernández‐Avilés & María‐Carmen García, 2010. "Estimation of Asymmetric Stochastic Volatility Models: Application to Daily Average Prices of Energy Products," International Statistical Review, International Statistical Institute, vol. 78(3), pages 330-347, December.
- Gema Fernández-Avilés Calderón, 2009.
"Spatial Regression Analysis vs. Kriging Methods for Spatial Estimation,"
International Advances in Economic Research, Springer;International Atlantic Economic Society, vol. 15(1), pages 44-58, February.
RePEc:lrk:eeaart:29_2_10 is not listed on IDEAS
RePEc:lrk:eeaart:33_3_5 is not listed on IDEAS
RePEc:lrk:eeaart:33_1_7 is not listed on IDEAS
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
- Fernández-Avilés, G & Montero, JM & Mateu, J, 2011.
"Mathematical Genesis of the Spatio-Temporal Covariance Functions,"
MPRA Paper
35874, University Library of Munich, Germany.
Cited by:
- Fred Espen Benth & Jūratė Šaltytė Benth, 2012. "Modeling and Pricing in Financial Markets for Weather Derivatives," World Scientific Books, World Scientific Publishing Co. Pte. Ltd., number 8457, August.
Articles
- Laureti, Tiziana & Montero, José-María & Fernández-Avilés, Gema, 2014.
"A local scale analysis on influencing factors of NOx emissions: Evidence from the Community of Madrid, Spain,"
Energy Policy, Elsevier, vol. 74(C), pages 557-568.
Cited by:
- Wen Guo & Tao Sun & Hongjun Dai, 2016. "Effect of Population Structure Change on Carbon Emission in China," Sustainability, MDPI, vol. 8(3), pages 1-20, March.
- Sadik-Zada, Elkhan Richard & Gatto, Andrea, 2021. "The puzzle of greenhouse gas footprints of oil abundance," Socio-Economic Planning Sciences, Elsevier, vol. 75(C).
- Jingqi Sun & Jing Shi & Boyang Shen & Shuqing Li & Yuwei Wang, 2018. "Nexus among Energy Consumption, Economic Growth, Urbanization and Carbon Emissions: Heterogeneous Panel Evidence Considering China’s Regional Differences," Sustainability, MDPI, vol. 10(7), pages 1-16, July.
- José-María Montero & Gema Fernández-Avilés & Tiziana Laureti, 2021. "A Local Spatial STIRPAT Model for Outdoor NO x Concentrations in the Community of Madrid, Spain," Mathematics, MDPI, vol. 9(6), pages 1-33, March.
- Yong Wang & Guangchun Yang & Ying Dong & Yu Cheng & Peipei Shang, 2018. "The Scale, Structure and Influencing Factors of Total Carbon Emissions from Households in 30 Provinces of China—Based on the Extended STIRPAT Model," Energies, MDPI, vol. 11(5), pages 1-25, May.
- Yang, Chunyu & Wang, Yu & Dong, Zhanfeng, 2020. "Evaluating the impact of denitrification tariff on energy-related NOx generation in China: Policy effects and regional disparities," Energy Policy, Elsevier, vol. 142(C).
- Hui Wang & Guangxing Ji & Jisheng Xia, 2019. "Analysis of Regional Differences in Energy-Related PM 2.5 Emissions in China: Influencing Factors and Mitigation Countermeasures," Sustainability, MDPI, vol. 11(5), pages 1-14, March.
- Pengran Zhou & Pengfei Zhou & Serhat Yüksel & Hasan Dinçer & Gülsüm Sena Uluer, 2019. "Balanced Scorecard-Based Evaluation of Sustainable Energy Investment Projects with IT2 Fuzzy Hybrid Decision Making Approach," Energies, MDPI, vol. 13(1), pages 1-20, December.
- Román Mínguez & José-María Montero & Gema Fernández-Avilés, 2013.
"Measuring the impact of pollution on property prices in Madrid: objective versus subjective pollution indicators in spatial models,"
Journal of Geographical Systems, Springer, vol. 15(2), pages 169-191, April.
Cited by:
- Myung-Jin Jun, 2018. "Quantifying Welfare Impacts of Air Pollution in Seoul: A Two-Stage Hedonic Price Approach," Journal of Environmental Assessment Policy and Management (JEAPM), World Scientific Publishing Co. Pte. Ltd., vol. 20(02), pages 1-25, June.
- Nicolás Durán & J. Paul Elhorst, 2023. "Induced earthquakes and house prices: the role of spatiotemporal and global effects," Journal of Geographical Systems, Springer, vol. 25(2), pages 157-183, April.
- José-María Montero & Román Mínguez & Gema Fernández-Avilés, 2018. "Housing price prediction: parametric versus semi-parametric spatial hedonic models," Journal of Geographical Systems, Springer, vol. 20(1), pages 27-55, January.
- Wang, Jianing & Lee, Chyi Lin, 2022. "The value of air quality in housing markets: A comparative study of housing sale and rental markets in China," Energy Policy, Elsevier, vol. 160(C).
- José-María Montero & Gema Fernández-Avilés & Tiziana Laureti, 2021. "A Local Spatial STIRPAT Model for Outdoor NO x Concentrations in the Community of Madrid, Spain," Mathematics, MDPI, vol. 9(6), pages 1-33, March.
- Ming-Yi Huang, 2023. "Analyzing the effects of green building on housing prices: case study of Kaohsiung, Taiwan," Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, Springer, vol. 25(2), pages 1205-1235, February.
- Prendergast, Patrick & Pearson-Merkowitz, Shanna & Lang, Corey, 2019. "The individual determinants of support for open space bond referendums," Land Use Policy, Elsevier, vol. 82(C), pages 258-268.
- Yusep Suparman & Henk Folmer & Johan Oud, 2014. "Hedonic price models with omitted variables and measurement errors: a constrained autoregression–structural equation modeling approach with application to urban Indonesia," Journal of Geographical Systems, Springer, vol. 16(1), pages 49-70, January.
- Fernández-Avilés, Gema & Montero, Jose-María & Orlov, Alexei G., 2012.
"Spatial modeling of stock market comovements,"
Finance Research Letters, Elsevier, vol. 9(4), pages 202-212.
Cited by:
- Asgharian, Hossein & Hess, Wolfgang & Liu, Lu, 2013.
"A spatial analysis of international stock market linkages,"
Journal of Banking & Finance, Elsevier, vol. 37(12), pages 4738-4754.
- Asgharian, Hossein & Hess, Wolfgang & Liu, Lu, 2013. "A spatial analysis of international stock market linkages," Knut Wicksell Working Paper Series 2013/3, Lund University, Knut Wicksell Centre for Financial Studies.
- Raffaele Mattera & Philipp Otto, 2023. "Network log-ARCH models for forecasting stock market volatility," Papers 2303.11064, arXiv.org.
- Telila, Henok Fasil, 2023. "Frontier markets sovereign risk: New evidence from spatial econometric models," Finance Research Letters, Elsevier, vol. 58(PD).
- Tam, Pui Sun, 2014. "A spatial–temporal analysis of East Asian equity market linkages," Journal of Comparative Economics, Elsevier, vol. 42(2), pages 304-327.
- Alda, Mercedes & Muñoz, Fernando & Vargas, María, 2022. "Product differentiation in the socially responsible mutual fund industry," Journal of Multinational Financial Management, Elsevier, vol. 64(C).
- Wadud, Sania & Gronwald, Marc & Durand, Robert B. & Lee, Seungho, 2023. "Co-movement between commodity and equity markets revisited—An application of the Thick Pen method," International Review of Financial Analysis, Elsevier, vol. 87(C).
- Chen, Na & Jin, Xiu, 2023. "Cross-industry asset allocation with the spatial interaction on multiple risk transmission channels," The North American Journal of Economics and Finance, Elsevier, vol. 67(C).
- Henok Fasil Telila, 2024. "Frontier markets sovereign risk: New evidence from spatial econometric models," French Stata Users' Group Meetings 2024 10, Stata Users Group.
- Hüttner, Amelie & Scherer, Matthias & Gräler, Benedikt, 2020. "Geostatistical modeling of dependent credit spreads: Estimation of large covariance matrices and imputation of missing data," Journal of Banking & Finance, Elsevier, vol. 118(C).
- Jiang, Shangwei & Jin, Xiu, 2021. "Effects of investor sentiment on stock return volatility: A spatio-temporal dynamic panel model," Economic Modelling, Elsevier, vol. 97(C), pages 298-306.
- Yang, Lixiong & Lee, Chingnun & Shie, Fu Shuen, 2014. "How close a relationship does a capital market have with other markets? A reexamination based on the equal variance test," Pacific-Basin Finance Journal, Elsevier, vol. 26(C), pages 198-226.
- Tissaoui, Kais & Zaghdoudi, Taha, 2021. "Dynamic connectedness between the U.S. financial market and Euro-Asian financial markets: Testing transmission of uncertainty through spatial regressions models," The Quarterly Review of Economics and Finance, Elsevier, vol. 81(C), pages 481-492.
- Noureddine Benlagha, 2014. "Dependence structure between nominal and index-linked bond returns: a bivariate copula and DCC-GARCH approach," Applied Economics, Taylor & Francis Journals, vol. 46(31), pages 3849-3860, November.
- Enzo D'Innocenzo & André Lucas & Anne Opschoor & Xingmin Zhang, 2024. "Heterogeneity and dynamics in network models," Journal of Applied Econometrics, John Wiley & Sons, Ltd., vol. 39(1), pages 150-173, January.
- Liu, Chih-Liang & Yang, Hsin-Feng, 2017. "Systemic risk in carry-trade portfolios," Finance Research Letters, Elsevier, vol. 20(C), pages 40-46.
- Xiurong Chen & Aimin Hao & Yali Li, 2020. "The impact of financial contagion on real economy-An empirical research based on combination of complex network technology and spatial econometrics model," PLOS ONE, Public Library of Science, vol. 15(3), pages 1-20, March.
- Mo, Guoli & Tan, Chunzhi & Zhang, Weiguo & Liu, Fang, 2019. "International portfolio of stock indices with spatiotemporal correlations: Can investors still benefit from portfolio, when and where?," The North American Journal of Economics and Finance, Elsevier, vol. 47(C), pages 168-183.
- Chen, Hanxiao & Zheng, Xiaolong & Zeng, Daniel Dajun, 2020. "Analyzing the co-movement and its spatial–temporal patterns in Chinese stock market," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 555(C).
- Giuseppe Arbia & Michele Di Marcantonio, 2015. "Forecasting Interest Rates Using Geostatistical Techniques," Econometrics, MDPI, vol. 3(4), pages 1-28, November.
- Milcheva, Stanimira & Zhu, Bing, 2016. "Bank integration and co-movements across housing markets," Journal of Banking & Finance, Elsevier, vol. 72(S), pages 148-171.
- Michael A. Goldstein & Joseph McCarthy & Alexei G. Orlov, 2019. "The Core, Periphery, and Beyond: Stock Market Comovements among EU and Non‐EU Countries," The Financial Review, Eastern Finance Association, vol. 54(1), pages 5-56, February.
- Chen, Ting-Hsuan & Lee, Chien-Chiang, 2020. "Spatial analysis of liquidity risk in China," The North American Journal of Economics and Finance, Elsevier, vol. 54(C).
- Asgharian, Hossein & Hess, Wolfgang & Liu, Lu, 2013.
"A spatial analysis of international stock market linkages,"
Journal of Banking & Finance, Elsevier, vol. 37(12), pages 4738-4754.
- Gema Fernandez-Aviles & Roman Minguez & Jose-Maria Montero, 2012.
"Geostatistical Air Pollution Indexes in Spatial Hedonic Models: The case of Madrid, Spain,"
Journal of Real Estate Research, American Real Estate Society, vol. 34(2), pages 243-274.
Cited by:
- Osseni, Abdel & Bareille, Francois & DUPRAZ, Pierre, 2018.
"Decoupling Values Of Agricultural Externalities According To Scale: A Spatial Hedonic Approach In Brittany,"
2018 Annual Meeting, August 5-7, Washington, D.C.
273998, Agricultural and Applied Economics Association.
- Osseni, Abdel Fawaz & Bareille, François & Dupraz, Pierre, 2019. "Decoupling values of agricultural externalities according to scale: a spatial hedonic approach in Brittany," Working Papers 288368, Institut National de la recherche Agronomique (INRA), Departement Sciences Sociales, Agriculture et Alimentation, Espace et Environnement (SAE2).
- Abdel Fawaz Osseni & François Bareille & Pierre Dupraz, 2019. "Decoupling values of agricultural externalities according to scale: a spatial hedonic approach in brittany," Post-Print hal-02444445, HAL.
- Abdel Fawaz Osseni & François Bareille & Pierre Dupraz, 2019. "Decoupling values of agricultural externalities according to scale: a spatial hedonic approach in Brittany," Working Papers SMART 19-04, INRAE UMR SMART.
- Abdel Fawaz Osseni & François Bareille & Pierre Dupraz, 2019. "Decoupling values of agricultural externalities according to scale: a spatial hedonic approach in Brittany," Working Papers hal-02154536, HAL.
- Na Zhang & Haiyan Wang & Baohua Yang & Muyuan Wu, 2023. "Evolutionary Game Mechanism of Governmental Cross-Regional Cooperation in AirPollution Management," Sustainability, MDPI, vol. 15(2), pages 1-21, January.
- Liv Osland & Inge Thorsen, 2013. "Spatial Impacts, Local Labour Market Characteristics and Housing Prices," Urban Studies, Urban Studies Journal Limited, vol. 50(10), pages 2063-2083, August.
- Laureti, Tiziana & Montero, José-María & Fernández-Avilés, Gema, 2014. "A local scale analysis on influencing factors of NOx emissions: Evidence from the Community of Madrid, Spain," Energy Policy, Elsevier, vol. 74(C), pages 557-568.
- Myung-Jin Jun, 2018. "Quantifying Welfare Impacts of Air Pollution in Seoul: A Two-Stage Hedonic Price Approach," Journal of Environmental Assessment Policy and Management (JEAPM), World Scientific Publishing Co. Pte. Ltd., vol. 20(02), pages 1-25, June.
- José-María Montero & Román Mínguez & Gema Fernández-Avilés, 2018. "Housing price prediction: parametric versus semi-parametric spatial hedonic models," Journal of Geographical Systems, Springer, vol. 20(1), pages 27-55, January.
- Li, Xiaoshu & Boyle, Kevin J. & Preisser, Evan L. & Holmes, Thomas P. & Orwig, David, 2022. "Property value effects of the Hemlock wooly adelgid infestation in New England, U.S.A," Ecological Economics, Elsevier, vol. 194(C).
- Jie Chen & Haiyong Zhang & Qian Zhou, 2021. "Rule by Law, Law-Based Governance, and Housing Prices: The Case of China," Land, MDPI, vol. 10(6), pages 1-22, June.
- Beatrice D. Simo-Kengne & Lumengo Bonga-Bonga, 2020.
"House prices and fertility in South Africa: A spatial econometric analysis,"
Economics Bulletin, AccessEcon, vol. 40(4), pages 3193-3210.
- Simo-Kengne, Beatrice D. & Bonga-Bonga, Lumengo, 2020. "House prices and fertility in South Africa: A spatial econometric analysis," MPRA Paper 100546, University Library of Munich, Germany.
- José-María Montero & Gema Fernández-Avilés & Tiziana Laureti, 2021. "A Local Spatial STIRPAT Model for Outdoor NO x Concentrations in the Community of Madrid, Spain," Mathematics, MDPI, vol. 9(6), pages 1-33, March.
- Mussa, Abeba & Nwaogu, Uwaoma G. & Pozo, Susan, 2017. "Immigration and housing: A spatial econometric analysis," Journal of Housing Economics, Elsevier, vol. 35(C), pages 13-25.
- Masha Maslianskaia-Pautrel & Catherine Baumont pba148, 2016. "The nature and impacts of environmental spillovers on housing prices: A spatial hedonic analysis," Working Papers 2016.04, FAERE - French Association of Environmental and Resource Economists.
- Dupraz, P. & Osseni, A. & Bareille, F., 2018. "Assessing the direct and indirect impacts of breeding activities on residential values: a spatial hedonic approach in Brittany," 2018 Conference, July 28-August 2, 2018, Vancouver, British Columbia 276994, International Association of Agricultural Economists.
- Zhonghua Cheng & Qingfei Xu & Ian Fraser Sanderson, 2021. "China's economic growth and haze pollution control," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 107(3), pages 2653-2669, July.
- Osseni, Abdel & Bareille, Francois & DUPRAZ, Pierre, 2018.
"Decoupling Values Of Agricultural Externalities According To Scale: A Spatial Hedonic Approach In Brittany,"
2018 Annual Meeting, August 5-7, Washington, D.C.
273998, Agricultural and Applied Economics Association.
- Montero, José-María & Fernández-Avilés , Gema & Mínguez, Román, 2011.
"Spatial Hedonic Pricing Models for Testing the Adequacy of Acoustic Areas in Madrid, Spain,"
INVESTIGACIONES REGIONALES - Journal of REGIONAL RESEARCH, Asociación Española de Ciencia Regional, issue 21, pages 157-181.
Cited by:
- Osseni, Abdel & Bareille, Francois & DUPRAZ, Pierre, 2018.
"Decoupling Values Of Agricultural Externalities According To Scale: A Spatial Hedonic Approach In Brittany,"
2018 Annual Meeting, August 5-7, Washington, D.C.
273998, Agricultural and Applied Economics Association.
- Osseni, Abdel Fawaz & Bareille, François & Dupraz, Pierre, 2019. "Decoupling values of agricultural externalities according to scale: a spatial hedonic approach in Brittany," Working Papers 288368, Institut National de la recherche Agronomique (INRA), Departement Sciences Sociales, Agriculture et Alimentation, Espace et Environnement (SAE2).
- Abdel Fawaz Osseni & François Bareille & Pierre Dupraz, 2019. "Decoupling values of agricultural externalities according to scale: a spatial hedonic approach in brittany," Post-Print hal-02444445, HAL.
- Abdel Fawaz Osseni & François Bareille & Pierre Dupraz, 2019. "Decoupling values of agricultural externalities according to scale: a spatial hedonic approach in Brittany," Working Papers SMART 19-04, INRAE UMR SMART.
- Abdel Fawaz Osseni & François Bareille & Pierre Dupraz, 2019. "Decoupling values of agricultural externalities according to scale: a spatial hedonic approach in Brittany," Working Papers hal-02154536, HAL.
- José-María Montero & Román Mínguez & Gema Fernández-Avilés, 2018. "Housing price prediction: parametric versus semi-parametric spatial hedonic models," Journal of Geographical Systems, Springer, vol. 20(1), pages 27-55, January.
- Jacek Batóg & Iwona Foryś & Radosław Gaca & Michał Głuszak & Jan Konowalczuk, 2019. "Investigating the Impact of Airport Noise and Land Use Restrictions on House Prices: Evidence from Selected Regional Airports in Poland," Sustainability, MDPI, vol. 11(2), pages 1-18, January.
- Dupraz, P. & Osseni, A. & Bareille, F., 2018. "Assessing the direct and indirect impacts of breeding activities on residential values: a spatial hedonic approach in Brittany," 2018 Conference, July 28-August 2, 2018, Vancouver, British Columbia 276994, International Association of Agricultural Economists.
- Osseni, Abdel & Bareille, Francois & DUPRAZ, Pierre, 2018.
"Decoupling Values Of Agricultural Externalities According To Scale: A Spatial Hedonic Approach In Brittany,"
2018 Annual Meeting, August 5-7, Washington, D.C.
273998, Agricultural and Applied Economics Association.
- José‐María Montero & Gema Fernández‐Avilés & María‐Carmen García, 2010.
"Estimation of Asymmetric Stochastic Volatility Models: Application to Daily Average Prices of Energy Products,"
International Statistical Review, International Statistical Institute, vol. 78(3), pages 330-347, December.
Cited by:
- Mao, Xiuping & Ruiz, Esther & Veiga, Helena, 2017. "Threshold stochastic volatility: Properties and forecasting," International Journal of Forecasting, Elsevier, vol. 33(4), pages 1105-1123.
- JUDE Octavian & TURGEMAN Avraham & BOȚOC Claudiu, 2023. "Recent Examination Of Energy Markets Volatility," Studies in Business and Economics, Lucian Blaga University of Sibiu, Faculty of Economic Sciences, vol. 18(1), pages 118-128, April.
- Gema Fernández-Avilés Calderón, 2009.
"Spatial Regression Analysis vs. Kriging Methods for Spatial Estimation,"
International Advances in Economic Research, Springer;International Atlantic Economic Society, vol. 15(1), pages 44-58, February.
Cited by:
- Mohamed Amara & Mohamed Ayadi, 2011. "Local Employment Growth in the Coastal Area of Tunisia: A Dynamic Spatial Panel Approach," Working Papers 650, Economic Research Forum, revised 12 Jan 2011.
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.- NEP-ECM: Econometrics (1) 2012-01-25
- NEP-URE: Urban and Real Estate Economics (1) 2012-01-25
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, Gema Fernandez-Aviles
(GEMA FERNANDEZ-AVILES) 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.