Daniel A. Sumner, Director

Frank H. Buck, Jr. Distinguished Professor, Agricultural and Resource Economics, Davis Campus
530-752-1668
Fields of interest: National and International Agricultural Economics and Policy
Giannini Publications
- Sambucci, Olena and Daniel A. Sumner. 2023. “Agriculture and the War in Ukraine One Year Later.” ARE Update 26(5): 1–4. University of California Giannini Foundation of Agricultural Economics.
- Sambucci, Olena and Daniel A. Sumner. 2022. “War in Ukraine and Impacts on California Food and Agriculture.” ARE Update 25(5): 1-5. University of California Giannini Foundation of Agricultural Economics.
- Bruno, Ellen M. and Daniel A. Sumner. 2021. “Special Issue: Implications of the Drought for California Agriculture.” ARE Update 25(1): 1. University of California Giannini Foundation of Agricultural Economics.
- Sumner, Daniel A., Carlyn Marsh, Quaid Moore, Scott Somerville and Josué Medellín-Azuara. 2021. “California Farms Adjust to Drought.” ARE Update 25(1): 6-9. University of California Giannini Foundation of Agricultural Economics.
- Sumner, Daniel A., Elizabeth Fraysse, Scott Somerville and Josué Medellín-Azuara. 2021. “Drought Impacts on California Farm Revenue and Prices.” ARE Update 25(1): 10-12. University of California Giannini Foundation of Agricultural Economics.
- Goodhue, Rachael, Joji Muramoto, Daniel A. Sumner and Hanlin Wei. 2021. “California’s Organic Agriculture: Diverse and Growing.” ARE Update 25(2). University of California Giannini Foundation of Agricultural Economics.
- Hanbin Lee, Richard J. Sexton, and Daniel A. Sumner. 2021. “Voter-Approved Proposition to Raise California Pork Prices.” ARE Update 24(6): 5-8. University of California Giannini Foundation of Agricultural Economics.
- Ellen M. Bruno, Richard J. Sexton, and Daniel A. Sumner. 2020. “The Coronavirus and the Food Supply Chain.” ARE Update 23(4): 1-4. University of California Giannini Foundation of Agricultural Economics.
- Robin S. Goldstein, Raffaele Saposhnik, and Daniel A. Sumner. 2020. “Prices of Cannabis in California from Licensed and Unlicensed Retailers.” ARE Update 23(3): 1-4. University of California Giannini Foundation of Agricultural Economics.
- Daniel A. Sumner. 2020. “The Milk Economics of the COVID-19 Pandemic.” ARE Update 23(5). University of California Giannini Foundation of Agricultural Economics.
- Scott Somerville, Daniel A. Sumner, James Fadel, Ziyang Fu, Jarrett D. Hart, and Jennifer Heguy. 2020. “By-Product Use in California Dairy Feed Has Vital Sustainability Implications.” ARE Update 24(2): 5-8. University of California Giannini Foundation of Agricultural Economics.
- Richard J. Sexton and Daniel A. Sumner. 2019. “Introduction to the Issue: The 2018 Farm Bill and Brexit.” ARE Update 22(3): 1. University of California Giannini Foundation of Agricultural Economics.
- Hyunok Lee and Daniel A. Sumner. 2019. “California Farm Commodities and the 2018 Farm Bill.” ARE Update 22(3): 2-5. University of California Giannini Foundation of Agricultural Economics.
- Daniel A. Sumner and William A. Matthews. 2017. “Trade and Trade Policy Prospects for California Agriculture.” ARE Update 20(3): 7-8. University of California Giannini Foundation of Agricultural Economics.
- Hyunok Lee, Antoine Champetier, Daniel A. Sumner, and Jennifer Bond. 2017. “Bee-conomics Revisited: A Decade of New Data Is Consistent with the Market Hypothesis.” ARE Update 20(5): 1-4. University of California Giannini Foundation of Agricultural Economics.
- Hyunok Lee, William A. Matthews, and Daniel A. Sumner. 2017. “Korean Free Trade Agreement Renegotiation: California Agriculture Has Much to Lose.” ARE Update 21(2): 1-4. University of California Giannini Foundation of Agricultural Economics.
- Nina M. Anderson and Daniel A. Sumner. 2016. “Which California Foods You Consume Makes Little Impact on Drought-Relevant Water Usage.” ARE Update 19(3): 5-8. University of California Giannini Foundation of Agricultural Economics.
- Daniel A. Sumner. 2015. “Introduction to the Issue.” ARE Update 18(5): 1. University of California Giannini Foundation of Agricultural Economics.
- Daniel A. Sumner. 2015. “California's Severe Drought Has Only Marginal Impacts on Food Prices.” ARE Update 18(5): 12-15. University of California Giannini Foundation of Agricultural Economics.
- Daniel A. Sumner, Hyunok Lee, and William A. Matthews. 2015. “What Does the Trans-Pacific Partnership Agreement Mean for California Agriculture?” ARE Update 19(1): 1-4. University of California Giannini Foundation of Agricultural Economics.
- Georgi T. Gabrielyan and Daniel A. Sumner. 2015. “Port Slowdown Impacts California Agriculture.” ARE Update 18(4): 9-11. University of California Giannini Foundation of Agricultural Economics.
- Josué Medellín-Azuara, Duncan MacEwan, Jay R. Lund, Richard E. Howitt, and Daniel A. Sumner. 2015. “Agricultural Irrigation in This Drought: Where Is the Water and Where Is It Going?” ARE Update 18(5): 6-8. University of California Giannini Foundation of Agricultural Economics.
- Richard E. Howitt, Josué Medellín-Azuara, Duncan MacEwan, Jay R. Lund, and Daniel A. Sumner. 2015. “Economic Impact of the 2015 Drought on Farm Revenue and Employment.” ARE Update 18(5): 9-11. University of California Giannini Foundation of Agricultural Economics.
- Hyunok Lee and Daniel A. Sumner. 2014. “The 2014 Farm Bill, Commodity Subsidies, and California Agriculture.” ARE Update 17(4): 1-4. University of California Giannini Foundation of Agricultural Economics.
- Lee, Hyunok and Daniel A. Sumner. 2013. “Risk Management and the Farm Bill: The Role of Crop Insurance.” ARE Update 16(6): 13-15. University of California Giannini Foundation of Agricultural Economics.
- Sumner, Daniel A. 2013. “What Is a Farm Bill, What Is in the 2013 Version, and What Does It Mean to California Agriculture?” ARE Update 16(6): 1-3. University of California Giannini Foundation of Agricultural Economics.
- Balagtas, Joseph V., Daniel A. Sumner, and Jisang Yu. 2013. “Changes Are Coming to U.S. Dairy Policy.” ARE Update 16(6): 4-8. University of California Giannini Foundation of Agricultural Economics.
- Xiong, Bo, William Matthews, and Daniel Sumner. 2013. “New Demand for an Old Food: The U.S. Demand for Olive Oil.” ARE Update 16(4): 9-11. University of California Giannini Foundation of Agricultural Economics.
- Sumner, Daniel A., James T. Lapsley, and John Thomas Rosen-Molina. 2012. “Economics of Wine Import Duty and Excise Tax Drawbacks.” ARE Update 15(4): 1-4. University of California Giannini Foundation of Agricultural Economics.
- Lee, Hyunok and Daniel A. Sumner. 2011. “New Free Trade Agreements Will Improve California Farm Export Prospects.” ARE Update 15(2): 1-4. University of California Giannini Foundation of Agricultural Economics.
- Sumner, Daniel A. 2010. “Is the World Overflowing with Wine? The Global Context for California Wine Supply and Demand.” ARE Update 13(6): 2-5. University of California Giannini Foundation of Agricultural Economics.
- Sumner, Daniel A. 2010. “Notes from the Guest Editor.” ARE Update 13(6): 1. University of California Giannini Foundation of Agricultural Economics.
- Lee, H. and D.A. Sumner. 2009. “The Prospective Free Trade Agreement with Korea: Background, Analysis, and Perspectives for California Agriculture.” Information Series 09-2. University of California Giannini Foundation of Agricultural Economics.
- Sumner, Daniel A. 2008. “Impacts of Recent Commodity Price Fluctuations on Farms in California and a Historical Perspective on Prospects for the Future.” ARE Update 12(2): 5-6. University of California Giannini Foundation of Agricultural Economics.
- Kwon, Oh Sang, Hyunok Lee, and Daniel A. Sumner. 2008. “Appellation, Variety, and the Price of California Wines.” ARE Update 11(4): 15-19. University of California Giannini Foundation of Agricultural Economics.
- Sumner, Daniel A. 2007. “The New Farm Bill: Implications for California Agriculture.” ARE Update 10(5): 1-3. University of California Giannini Foundation of Agricultural Economics.
- Alston, Julian M., Daniel A. Sumner, and Stephen A. Vosti. 2007. “Farm Subsidies and Obesity in the United States.” ARE Update 11(2): 1-4. University of California Giannini Foundation of Agricultural Economics.
- Gray, R.S., Sumner, D.A., Alston, J., Brunk, H., and A. Acquaye. 2005. “Economic Consequences of Mandated Grading and Food Assurance: Ex Ante Analysis of the Federal Marketing Order for California Pistachios.” Monographs 46(March). University of California Giannini Foundation of Agricultural Economics.
- Sumner, Daniel A., Henrich Brunke, Julian M. Alston, Richard S. Gray and Albert K. A. Acquaye. 2005. “Industry Initiated Regulation and Food Safety: the New Federal Marketing Order for Pistachios.” ARE Update 8(6): 5-7. University of California Giannini Foundation of Agricultural Economics.
- Sumner, Daniel A. 2002. “Implications of the 2002 Farm Bill for Commodity Markets and Trade: A California Focus.” ARE Update 5(6): 1-2. University of California Giannini Foundation of Agricultural Economics.
- Johnston, Warren and Daniel A. Sumner. 2001. “California Agriculture Faces a Rough Financial Year.” ARE Update 4(3): 3-6. University of California Giannini Foundation of Agricultural Economics.
- Sumner, Daniel A. 1999. “Agricultural Commodity Policy in an Historical Context.” ARE Update 2(3): 5-7. University of California Giannini Foundation of Agricultural Economics.