Does new information technology change commuting behavior?
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DOI: 10.1007/s00168-018-0893-2
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- Duco Vos & Evert Meijers & Maarten Ham, 2018.
"Working from home and the willingness to accept a longer commute,"
The Annals of Regional Science, Springer;Western Regional Science Association, vol. 61(2), pages 375-398, September.
- de Vos, Duco & Meijers, Evert J. & van Ham, Maarten, 2017. "Working from Home and the Willingness to Accept a Longer Commute," IZA Discussion Papers 10875, Institute of Labor Economics (IZA).
- Alex Anas & Richard Arnott & Kenneth A. Small, 1998.
"Urban Spatial Structure,"
Journal of Economic Literature, American Economic Association, vol. 36(3), pages 1426-1464, September.
- Anas, Alex & Arnott, Richard & Small, Kenneth A., 1997. "Urban Spatial Structure," University of California Transportation Center, Working Papers qt835049q3, University of California Transportation Center.
- Richard Arnott & Alex Anas & Kenneth Small, 1997. "Urban Spatial Structure," Boston College Working Papers in Economics 388., Boston College Department of Economics.
- Sourafel Girma & Holger Görg, 2016.
"Evaluating the foreign ownership wage premium using a difference-in-differences matching approach,"
World Scientific Book Chapters, in: MULTINATIONAL ENTERPRISES AND HOST COUNTRY DEVELOPMENT Volume 53: World Scientific Studies in International Economics, chapter 2, pages 17-32,
World Scientific Publishing Co. Pte. Ltd..
- Girma, Sourafel & Gorg, Holger, 2007. "Evaluating the foreign ownership wage premium using a difference-in-differences matching approach," Journal of International Economics, Elsevier, vol. 72(1), pages 97-112, May.
- Girma, Sourafel & Görg, Holger, 2006. "Evaluating the Foreign Ownership Wage Premium Using a Difference-in-Differences Matching Approach," CEPR Discussion Papers 5788, C.E.P.R. Discussion Papers.
- Sourafel Girma & Holger Görg, 2006. "Evaluating the foreign ownership wage premium using a difference-indifferences matching approach," The Institute for International Integration Studies Discussion Paper Series iiisdp165, IIIS.
- Joel Stiebale & Michaela Trax, 2011.
"The effects of cross-border M&As on the acquirers' domestic performance: firm-level evidence,"
Canadian Journal of Economics, Canadian Economics Association, vol. 44(3), pages 957-990, August.
- Joel Stiebale & Michaela Trax, 2011. "The effects of cross‐border M&As on the acquirers’ domestic performance: firm‐level evidence," Canadian Journal of Economics/Revue canadienne d'économique, John Wiley & Sons, vol. 44(3), pages 957-990, August.
- Stiebale, Joel & Trax, Michaela, 2010. "The Effects of Cross-border M&As on the Acquirers' Domestic Performance – Firm-level Evidence," Ruhr Economic Papers 159, RWI - Leibniz-Institut für Wirtschaftsforschung, Ruhr-University Bochum, TU Dortmund University, University of Duisburg-Essen.
- Dale W. Jorgenson & Mun S. Ho & Kevin J. Stiroh, 2008.
"A Retrospective Look at the U.S. Productivity Growth Resurgence,"
Journal of Economic Perspectives, American Economic Association, vol. 22(1), pages 3-24, Winter.
- Mun S. Ho & Dale W. Jorgenson & Kevin J. Stiroh, 2007. "A retrospective look at the U.S. productivity growth resurgence," Staff Reports 277, Federal Reserve Bank of New York.
- Nicholas Bloom & James Liang & John Roberts & Zhichun Jenny Ying, 2015.
"Does Working from Home Work? Evidence from a Chinese Experiment,"
The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 130(1), pages 165-218.
- Bloom, Nicholas & Liang, James & Roberts, John & Ying, Zhichun Jenny, 2013. "Does working from home work? Evidence from a Chinese experiment," LSE Research Online Documents on Economics 51525, London School of Economics and Political Science, LSE Library.
- Nicholas Bloom & James Liang & John Roberts & Zhichun Jenny Ying, 2013. "Does Working from Home Work? Evidence from a Chinese Experiment," CEP Discussion Papers dp1194, Centre for Economic Performance, LSE.
- Nicholas Bloom & James Liang & John Roberts & Zhichun Jenny Ying, 2013. "Does Working from Home Work? Evidence from a Chinese Experiment," NBER Working Papers 18871, National Bureau of Economic Research, Inc.
- Michael Storper & Anthony J. Venables, 2004.
"Buzz: face-to-face contact and the urban economy,"
Journal of Economic Geography, Oxford University Press, vol. 4(4), pages 351-370, August.
- Michael Storper & Anthony J. Venables, 2003. "Buzz: Face-to-Face Contact and the Urban Economy," CEP Discussion Papers dp0598, Centre for Economic Performance, LSE.
- Anthony Venables & Michael Storper, 2006. "Buzz: Face-to-face contact and the urban economy," Post-Print hal-03397764, HAL.
- Storper, Michael & Venables, Anthony J., 2003. "Buzz: face-to-face contact and the urban economy," LSE Research Online Documents on Economics 20008, London School of Economics and Political Science, LSE Library.
- Anthony Venables & Michael Storper, 2006. "Buzz: Face-to-face contact and the urban economy," SciencePo Working papers Main hal-03397764, HAL.
- Sunhee Sang & Morton O’Kelly & Mei-Po Kwan, 2011. "Examining Commuting Patterns," Urban Studies, Urban Studies Journal Limited, vol. 48(5), pages 891-909, April.
- Patricia L Mokhtarian & Gustavo O Collantes & Carsten Gertz, 2004.
"Telecommuting, Residential Location, and Commute-Distance Traveled: Evidence from State of California Employees,"
Environment and Planning A, , vol. 36(10), pages 1877-1897, October.
- Mokhtarian, Patricia L. & Collantes, Gustavo O. & Gertz, Carsten, 2003. "Telecommuting, Residential Location, and Commute Distance Traveled: Evidence from State of California Employees," University of California Transportation Center, Working Papers qt7mx1s6gh, University of California Transportation Center.
- Marco Caliendo & Sabine Kopeinig, 2008.
"Some Practical Guidance For The Implementation Of Propensity Score Matching,"
Journal of Economic Surveys, Wiley Blackwell, vol. 22(1), pages 31-72, February.
- Caliendo, Marco & Kopeinig, Sabine, 2005. "Some Practical Guidance for the Implementation of Propensity Score Matching," IZA Discussion Papers 1588, Institute of Labor Economics (IZA).
- Marco Caliendo & Sabine Kopeinig, 2005. "Some Practical Guidance for the Implementation of Propensity Score Matching," Discussion Papers of DIW Berlin 485, DIW Berlin, German Institute for Economic Research.
- Ismir Mulalic & Jos N. Van Ommeren & Ninette Pilegaard, 2014.
"Wages and Commuting: Quasi‐natural Experiments' Evidence from Firms that Relocate,"
Economic Journal, Royal Economic Society, vol. 124(579), pages 1086-1105, September.
- Ismir Mulalic & Jos N. van Ommeren & Ninette Pilegaard, 2010. "Wages and Commuting: Quasi-Natural Experiments' Evidence from Firms that relocate," Tinbergen Institute Discussion Papers 10-093/3, Tinbergen Institute.
- Al James, 2014. "Work–life ‘balance’ and gendered (im)mobilities of knowledge and learning in high-tech regional economies," Journal of Economic Geography, Oxford University Press, vol. 14(3), pages 483-510.
- Gaspar, Jess & Glaeser, Edward L., 1998.
"Information Technology and the Future of Cities,"
Journal of Urban Economics, Elsevier, vol. 43(1), pages 136-156, January.
- Jess Gaspar & Edward L. Glaeser, 1996. "Information Technology and the Future of Cities," Harvard Institute of Economic Research Working Papers 1756, Harvard - Institute of Economic Research.
- Jess Gaspar & Edward Glaeser, 1996. "Information Technology and the Future of Cities," NBER Working Papers 5562, National Bureau of Economic Research, Inc.
- Matthias Arnold, Jens & Javorcik, Beata S., 2009.
"Gifted kids or pushy parents? Foreign direct investment and plant productivity in Indonesia,"
Journal of International Economics, Elsevier, vol. 79(1), pages 42-53, September.
- Beata Javorcik & Jens Matthias Arnold, 2009. "Gifted Kids or Pushy Parents? Foreign Direct Investment and Plant Productivity in Indonesia," Economics Series Working Papers 434, University of Oxford, Department of Economics.
- Pengyu Zhu, 2012. "Are telecommuting and personal travel complements or substitutes?," The Annals of Regional Science, Springer;Western Regional Science Association, vol. 48(2), pages 619-639, April.
- John Maynard Keynes, 2010. "Essays in Persuasion," Palgrave Macmillan Books, Palgrave Macmillan, number 978-1-349-59072-8.
- Hijzen, Alexander & Martins, Pedro S. & Schank, Thorsten & Upward, Richard, 2013.
"Foreign-owned firms around the world: A comparative analysis of wages and employment at the micro-level,"
European Economic Review, Elsevier, vol. 60(C), pages 170-188.
- Hijzen, Alexander & Martins, Pedro S. & Schank, Thorsten & Upward, Richard, 2010. "Do Foreign-Owned Firms Provide Better Working Conditions Than Their Domestic Counterparts? A Comparative Analysis," IZA Discussion Papers 5259, Institute of Labor Economics (IZA).
- Alexander Hijzen & Pedro S. Martins & Thorsten Schank & Richard Upward, 2010. "Do foreign-owned firms provide better working conditions than their domestic counterparts? A comparative analysis," Discussion Papers 10/21, University of Nottingham, GEP.
- Pengyu Zhu, 2013. "Telecommuting, Household Commute and Location Choice," Urban Studies, Urban Studies Journal Limited, vol. 50(12), pages 2441-2459, September.
- Christopher A. Pissarides, 2000. "Equilibrium Unemployment Theory, 2nd Edition," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262161877, December.
- Ivonne Audirac, 2005. "Information Technology and Urban Form: Challenges to Smart Growth," International Regional Science Review, , vol. 28(2), pages 119-145, April.
- John Maynard Keynes, 2010. "Economic Possibilities for Our Grandchildren," Palgrave Macmillan Books, in: Essays in Persuasion, chapter 2, pages 321-332, Palgrave Macmillan.
- Zax, Jeffrey S, 1991. "The Substitution between Moves and Quits," Economic Journal, Royal Economic Society, vol. 101(409), pages 1510-1521, November.
- Patricia Mokhtarian & Ilan Salomon & Sangho Choo, 2005.
"Measuring the Measurable: Why can’t we Agree on the Number of Telecommuters in the U.S.?,"
Quality & Quantity: International Journal of Methodology, Springer, vol. 39(4), pages 423-452, August.
- Patricia Mokhtarian & Ilan Salomon & Sangho Choo, 2005. "Measuring the Measurable: Why Can't We Agree on the Number of Telecommuters in the U.S.?," Labor and Demography 0508011, University Library of Munich, Germany.
- De Borger, Bruno & Wuyts, Bart, 2011.
"The tax treatment of company cars, commuting and optimal congestion taxes,"
Transportation Research Part B: Methodological, Elsevier, vol. 45(10), pages 1527-1544.
- DE BORGER, Bruno & WUYTS, Bart, 2010. "The tax treatment of company cars, commuting and optimal congestion taxes," Working Papers 2010017, University of Antwerp, Faculty of Business and Economics.
- Glaeser, Edward L., 2008. "Cities, Agglomeration, and Spatial Equilibrium," OUP Catalogue, Oxford University Press, number 9780199290444.
- Simon Commander & Rupert Harrison & Naercio Menezes-Filho, 2011. "ICT and Productivity in Developing Countries: New Firm-Level Evidence from Brazil and India," The Review of Economics and Statistics, MIT Press, vol. 93(2), pages 528-541, May.
- Safirova, Elena, 2002. "Telecommuting, traffic congestion, and agglomeration: a general equilibrium model," Journal of Urban Economics, Elsevier, vol. 52(1), pages 26-52, July.
- Mokhtarian, Patricia L. & Handy, Susan L. & Salomon, Ilan, 1995.
"Methodological issues in the estimation of the travel, energy, and air quality impacts of telecommuting,"
Transportation Research Part A: Policy and Practice, Elsevier, vol. 29(4), pages 283-302, July.
- Mokhtarian, Patricia & Handy, Susan & Salomon, Ilan, 1995. "Methodological Issues in the Estimation of the Travel, Energy, and Air Quality Impacts of Telecommuting," Institute of Transportation Studies, Working Paper Series qt44n3k2jp, Institute of Transportation Studies, UC Davis.
- Stefan P.T. Groot & Henri L.F. de Groot & Paolo Veneri, 2012. "The Educational Bias in Commuting Patterns: Micro-Evidence for the Netherlands," Tinbergen Institute Discussion Papers 12-080/3, Tinbergen Institute.
- Harrison, R. Wes, 2013. "R. Wes Harrison," Journal of Agricultural and Applied Economics, Southern Agricultural Economics Association, vol. 45, pages 1-2, August.
- Jos van Ommeren & Piet Rietveld & Peter Nijkamp & Jos van Ommeren & Piet Rietveld & Peter Nijkamp, 2004.
"Job Moving, Residential Moving, and Commuting: A Search Perspective,"
Chapters, in: Location, Travel and Information Technology, chapter 11, pages 223-246,
Edward Elgar Publishing.
- van Ommeren, Jos & Rietveld, Piet & Nijkamp, Peter, 1999. "Job Moving, Residential Moving, and Commuting: A Search Perspective," Journal of Urban Economics, Elsevier, vol. 46(2), pages 230-253, September.
- Rhee, Hyok-Joo, 2008. "Home-based telecommuting and commuting behavior," Journal of Urban Economics, Elsevier, vol. 63(1), pages 198-216, January.
- Patricia L. Mokhtarian, 1998. "A Synthetic Approach to Estimating the Impacts of Telecommuting on Travel," Urban Studies, Urban Studies Journal Limited, vol. 35(2), pages 215-241, February.
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- João de Abreu e Silva, 2022. "Residential preferences, telework perceptions, and the intention to telework: insights from the Lisbon Metropolitan Area during the COVID‐19 pandemic," Regional Science Policy & Practice, Wiley Blackwell, vol. 14(S1), pages 142-161, November.
- Fouquet, Roger & Hippe, Ralph, 2022.
"Twin transitions of decarbonisation and digitalisation: a historical perspective on energy and information in European economies,"
LSE Research Online Documents on Economics
115544, London School of Economics and Political Science, LSE Library.
- Roger Fouquet & Ralph Hippe, 2022. "Twin Transitions of Decarbonisation and Digitalisation: A Historical Perspective on Energy and Information in European Economies," Working Papers 08-22, Association Française de Cliométrie (AFC).
- Zhang, Fan & Meng, Lei & Sun, Wen & Si, Yanwu, 2021. "Information technology and the labor market in China," Economic Analysis and Policy, Elsevier, vol. 72(C), pages 156-168.
- de Vos, Duco & van Ham, Maarten & Meijers, Evert J., 2019. "Working from Home and Commuting: Heterogeneity over Time, Space, and Occupations," IZA Discussion Papers 12578, Institute of Labor Economics (IZA).
- Andrew Hook & Victor Court & Benjamin K Sovacool & Steven Sorrell, 2020. "A Systematic Review of the Energy and Climate Impacts of Teleworking," Working Papers hal-03192905, HAL.
- Stefaniec, Agnieszka & Brazil, William & Whitney, Warren & Caulfield, Brian, 2022. "Desire to work from home: Results of an Irish study," Journal of Transport Geography, Elsevier, vol. 104(C).
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More about this item
JEL classification:
- J22 - Labor and Demographic Economics - - Demand and Supply of Labor - - - Time Allocation and Labor Supply
- R23 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - Household Analysis - - - Regional Migration; Regional Labor Markets; Population
- R41 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - Transportation Economics - - - Transportation: Demand, Supply, and Congestion; Travel Time; Safety and Accidents; Transportation Noise
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