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GTAP Network

GTAP Network: Member Display

Member Details

Created: 5/1/2001 Updated: 4/13/2017 Visits: 8,375 Dr. Mark Gehlhar Economist Department of the Interior, Office of Policy Analysis and Budget 1951 Constitution Avenue NW Washington, DC 20240 United States mgehlhar@osmre.gov (202) 208-2716 (ph) (202) 219-3101 (fx) Biography Mark Gehlhar is a GTAP Research Fellow. He has been involved with GTAP since its inception in the early 1990's -- first as a graduate student, and then as an Economist with the Economic Research Service (ERS/USDA). He is best known for his work on reconciling bilateral trade data. His approach to this seemingly intractable problem has earned him praise from many quarters and his contribution of the bilateral trade matrix is a key input into the construction of each new GTAP data base. Mark has also wrestled with the problem of model validation and most recently has turned his attention to the measurement and modeling of agricultural support in GTAP.

Roles/Contributions - 01st Annual Conference Participant - 02nd Annual Conference Participant - 04th Annual Conference Participant - 05th Annual Conference Participant - 07th Annual Conference Participant - 10th Annual Conference Participant - 10th Annual Conference Program Committee Member - 1996-1999 Research Fellow - 1997 Advanced Short Course Graduate - 1997 Advanced Short Course Participant - 19th Annual Conference Participant - 2000-2003 Research Fellow - 2004-2007 Research Fellow - 2007 Abstract Reviewer - 2012 Abstract Reviewer - 2014 Abstract Reviewer - 2020 Abstract Reviewer - 20th Annual Conference Participant - 27th Annual Conference Participant - Data Base Contributor - Data Base Contributor v8.0 - Data Base Contributor v9.0 - Former Graduate Student - Research Fellow Hall of Fame - V7 Data Base Subscriber

Interest Areas - Agricultural policies - Model validation and sensitivity analysis - Other data bases and data issues - The GTAP Data Base and extensions

GTAP-Related Resources

- Methodological Options for Preparing Merchandise Trade in the GTAP Data Base: Lessons from Past Experiences and Current Approach    by Gehlhar, Mark    Publication: Presented at the 20th Annual Conference on Global Economic Analysis, West Lafayette, IN, USA    Resource Type: 2017 Conference Paper    Keywords: The GTAP Data Base and extensions - Chapter 9.C: Transport Margins and Modes    by Gehlhar, Mark and Robert McDougall    Publication: Center for Global Trade Analysis    Resource Type: GTAP 9 Data Base Documentation    Keywords: The GTAP Data Base and extensions - Global Trade Analysis: Modeling and Applications    by Hertel, Thomas, Alan Powell, George Frisvold, Mark Gehlhar, Denice Gray, Kevin Hanslow, Karen Huff, Elena Ianchovichina, Betsey Kuhn, D. Kent Lanclos, Donald MacLaren, Will Martin, Brad McDonald, Robert McDougall, Ken Pearson, Carlo Perroni, Padma Swaminathan, Marinos Tsigas, Rod Tyers, Randall Wigle, Yongzheng Yang, Koji Yanagishima and Linda M. Young    Publication: University of Cambridge    Resource Type: GTAP Application, Educational Material - Bilateral Merchandise Trade Data    by Gehlhar, Mark    Resource Type: Educational Material    Keywords: The GTAP Data Base and extensions - How a Global Inter-Country Input-output Table with a Processing Trade Account is Constructed from the GTAP Database    by Tsigas, Marinos, Zhi Wang and Mark Gehlhar    Publication: Presented at the 15th Annual Conference on Global Economic Analysis, Geneva, Switzerland    Resource Type: 2012 Conference Paper - GTAP 7 Data Base Documentation - Chapter 16: Bilateral Time-Series Trade Data    by Gehlhar, Mark    Publication: Center for Global Trade Analysis    Resource Type: GTAP 7 Data Base Documentation    Keywords: The GTAP Data Base and extensions - GTAP 7 Data Base Documentation - Chapter 9.B: Re-Export Trade for the Netherlands and Singapore    by Gehlhar, Mark    Publication: Center for Global Trade Analysis    Resource Type: GTAP 7 Data Base Documentation    Keywords: The GTAP Data Base and extensions - GTAP 7 Data Base Documentation - Chapter 9.A: Reconciling Merchandise Trade Data    by Gehlhar, Mark, Zhi Wang and Shunli Yao    Publication: Center for Global Trade Analysis    Resource Type: GTAP 7 Data Base Documentation    Keywords: The GTAP Data Base and extensions - Economy–wide Implications of Biomass Substitution for Petroleum in the United States: How the Source of Biomass Matters    by Dixon, Peter, Mark Gehlhar, Maureen Rimmer, Agapi Somwaru and Ashley Winston    Publication: Presented at the 11th Annual Conference on Global Economic Analysis, Helsinki, Finland    Resource Type: 2008 Conference Paper - Estimation of Trade Margins - An Application of the UN Bilateral Trade Data    by Gehlhar, Mark, James Binkley and Thomas Hertel    Publication: Salter Working Paper Number 11    Resource Type: Other CGE Application - Reconciling Trade Statistics from China, Hong Kong and Their Major Trading Partners--A Mathematical Programming Approach    by Wang, Zhi, Mark Gehlhar and Shunli Yao    Publication: GTAP Technical Paper No. 27    Resource Type: Technical Paper    Keywords: The GTAP Data Base and extensions, Asia (East) - Reconciling Bilateral Trade Statistics in the Presence of Re-exports via Third Countries: The Case of China, Hong Kong and Their Major Trading Partners    by Wang, Zhi, Mark Gehlhar and Shunli Yao    Publication: Presented at the 10th Annual Conference on Global Economic Analysis, Purdue University, USA    Resource Type: 2007 Conference Paper - A Mathematical Programming Model to Estimate Re-export Markup and Reconcile Trade Statistics from China, Hong Kong and the United Sates    by Wang, Zhi, Mark Gehlhar and Shunli Yao    Publication: Presented at the 9th Annual Conference on Global Economic Analysis, Addis Ababa, Ethiopia    Resource Type: 2006 Conference Paper - GTAP 6 Data Base Documentation - Chapter 15.D: Transport Modes and Margins    by Gehlhar, Mark and Robert McDougall    Publication: Center for Global Trade Analysis    Resource Type: GTAP 6 Data Base Documentation    Keywords: The GTAP Data Base and extensions - GTAP 6 Data Base Documentation - Chapter 08: Bilateral Time-Series Trade Data    by Gehlhar, Mark    Publication: Center for Global Trade Analysis    Resource Type: GTAP 6 Data Base Documentation    Keywords: The GTAP Data Base and extensions - GTAP 6 Data Base Documentation - Chapter 15.C: Re-Export Trade    by Gehlhar, Mark    Publication: Center for Global Trade Analysis    Resource Type: GTAP 6 Data Base Documentation    Keywords: The GTAP Data Base and extensions - GTAP 6 Data Base Documentation - Chapter 15.B: Reconciling Merchandise Trade Data    by Gehlhar, Mark    Publication: Center for Global Trade Analysis    Resource Type: GTAP 6 Data Base Documentation    Keywords: The GTAP Data Base and extensions - MFN Tariff Cuts and U.S. Agricultural Imports Under Nonreciprocal Trade Preference Programs    by Wainio, John and Mark Gehlhar    Publication: Presented at the 7th Annual Conference on Global Economic Analysis, Washington DC, USA    Resource Type: 2004 Conference Paper - Feasibility of Reducing Agricultural Protection: Implications for Farm Households    by Gehlhar, Mark and John Wainio    Publication: Presented at the 7th Annual Conference on Global Economic Analysis, Washington DC, USA    Resource Type: 2004 Conference Paper - Biotechnology: Implications for U.S. Corn & Soybean Trade    by Ballenger, Nicole, Mary Bohman and Mark Gehlhar    Publication: Agricultural Outlook, April 2000, pp. 24-28    Resource Type: GTAP Application    Keywords: Domestic policy analysis, Agricultural policies - A Re-evaluation of Tariffs Facing Exporters of Processed Food: Implications for Trade Liberalization oa    by Gehlhar, Mark    Publication: Presented at the 5th Annual Conference on Global Economic Analysis, Taipei, Taiwan    Resource Type: GTAP Application, 2002 Conference Paper    Keywords: Agricultural policies - Concordances, HS96 to GSC rev. 2    by McDougall, Robert and Mark Gehlhar    Publication: Center for Global Trade Analysis    Resource Type: General Documentation, Concordance - GTAP 3 Data Base Documentation - Chapter 11    by Gehlhar, Mark    Publication: Center for Global Trade Analysis    Resource Type: GTAP 3 Data Base Documentation    Keywords: The GTAP Data Base and extensions - GTAP 3 Data Base Documentation - Chapter 07    by Gehlhar, Mark and Robert McDougall    Publication: Center for Global Trade Analysis    Resource Type: GTAP 3 Data Base Documentation    Keywords: The GTAP Data Base and extensions - GTAP 5 Data Base Documentation - Chapter 15.D: Transport Margins and Modes    by Gehlhar, Mark and Robert McDougall    Publication: Center for Global Trade Analysis    Resource Type: GTAP 5 Data Base Documentation    Keywords: The GTAP Data Base and extensions - GTAP 5 Data Base Documentation - Chapter 15.C: Hong Kong's Re-exports    by Gehlhar, Mark    Publication: Center for Global Trade Analysis    Resource Type: GTAP 5 Data Base Documentation    Keywords: The GTAP Data Base and extensions - GTAP 5 Data Base Documentation - Chapter 15.B: General Approach for Reconciling Bilateral Trade Data    by Gehlhar, Mark    Publication: Center for Global Trade Analysis    Resource Type: GTAP 5 Data Base Documentation    Keywords: The GTAP Data Base and extensions - GTAP 5 Data Base Documentation - Chapter 07: Bilateral Time-Series Trade Data    by Gehlhar, Mark    Publication: Center for Global Trade Analysis    Resource Type: GTAP 5 Data Base Documentation    Keywords: The GTAP Data Base and extensions - Agricultural Policy Reform in the WTO - The Road Ahead    by Burfisher, Mary and Mark Gehlhar    Publication: Presented at the 4th Annual Conference on Global Economic Analysis, Purdue University, USA    Resource Type: 2001 Conference Paper - Historical Analysis of Growth and Trade Patterns in the Pacific Rim    by Gehlhar, Mark    Publication: Chapter 14 in Global Trade Analysis: Modeling and Applications, T.W. Hertel (ed.), published by Camb...    Resource Type: GTAP Application    Keywords: Economic growth - Treatment of Domestic Agricultural Support and Implications for Reductions: The Case for the United States    by Gehlhar, Mark    Publication: Presented at the 4th Annual Conference on Global Economic Analysis, Purdue University, USA    Resource Type: GTAP Application, 2001 Conference Paper    Keywords: Agricultural policies - GTAP 4 Data Base Documentation - Chapter 11C    by Gehlhar, Mark    Publication: Center for Global Trade Analysis    Resource Type: GTAP 4 Data Base Documentation    Keywords: The GTAP Data Base and extensions - GTAP 4 Data Base Documentation - Chapter 11A    by Gehlhar, Mark    Publication: Center for Global Trade Analysis    Resource Type: GTAP 4 Data Base Documentation    Keywords: The GTAP Data Base and extensions - GTAP 4 Data Base Documentation - Chapter 7    by Gehlhar, Mark    Publication: Center for Global Trade Analysis    Resource Type: GTAP 4 Data Base Documentation    Keywords: The GTAP Data Base and extensions - Reconciling Bilateral Trade Data for Use in GTAP    by Gehlhar, Mark    Publication: GTAP Technical Paper No. 10    Resource Type: Technical Paper - Understanding the Determinants of structural Change in World Food Markets    by Coyle, William, Mark Gehlhar, Thomas Hertel, Zhi Wang and Wusheng Yu    Publication: GTAP Working Paper No. 02    Resource Type: Working Paper - Multilateral and Regional Trade Reforms: A Global Assessment from a US Perspective    by Gehlhar, Mark    Publication: Regional Trade Agreements and US Agriculture. USDA/ERS Agricultrue Economic Report No. 771, pp. 35-4...    Resource Type: GTAP Application - Analysis of Growth and Trade Patterns in the Pacific Rim: A Validation Exercise    by Gehlhar, Mark    Publication: Ch.;14 in T.W.;Hertel (ed.), Global Trade Analysis: Modeling and Applications. Cambridge University ...    Resource Type: GTAP Application    Keywords: Economic growth

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