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Department of Agricultural, Environmental, and Development Economics



  1. Ohio State Economist: Taxing Phosphorus Could Reduce Risk of Algal Blooms

    Sep 29, 2014

    Imposing a 25 percent tax on phosphorus, used as a fertilizer primarily on corn, could reduce soluble phosphorus concentrations in the watershed by about 8 percent, according to an analysis led by Brent Sohngen, AEDE professor and Director of Ohio State's Environmental Policy Initiative. 

  2. Webinar on Sept. 30 to Examine the Economics of Water Pollution Control

    Sep 17, 2014

    Ohio State’s Environmental Policy Initiative will hold a webinar focused on the economics of water pollution control, looking specifically at the case of harmful algal blooms, on Tuesday, September 30th from 12 noon to 1pm. The webinar is free, open to all, and is targeted at non-economic audiences. Advance registration is not required.

  3. Ohio State Economists to Hold Water Quality Discussion During 2013 Farm Science Review

    Sep 11, 2013

    AEDE’s Brent Sohngen, Elena Irwin, and Barry Ward will headline a panel discussion at this year’s Farm Science Review: “Water Quality: State and National Concerns and Consequences”. The discussion will focus on the impact of agricultural production practices on Ohio’s water resources. The panel will be moderated by Matthew Roberts.

  4. AEDE Faculty Awarded 2013 OARDC SEEDS Research Grants

    Feb 21, 2013

    AEDE faculty members Sathya Gopalakrishnan, H. Allen Klaiber, Brian Roe and H. Allen Klaiber have been awarded  2013 SEEDS grants from the Ohio Agricultural Research and Development Center (OARDC) to engage in new research.

  5. New Research from Professor Irwin Offers Analysis of the Interaction between Humans and Ecosystem Thresholds

    Jan 28, 2013

    In theJournal of Environmental Economics and Management, Professor Elena Irwin, former AEDE PhD student Yong Chen, and Ciriyam Jayaprakash from the Dept of Physics at Ohio State offer new analysis on the dynamic interaction between humans and ecological systems.

  6. Sohngen to address water quality and BMPs at Mid-Ohio Regional Planning Commission

    Jun 21, 2012

    Brent Sohngen will present “Nutrient BMPs: Voluntary Incentives, Regulation, Free Markets - What Will It Take to Keep Ohio's Waters Clean?” on July 6 at 10 a.m. at the MORPC offices, 111 Liberty St., Suite 100, in Columbus. To read more click here.

  7. Roe and Irwin part of Maumee River watershed research team

    Jan 11, 2012

    Brian Roe and Elena Irwin are among a number of researchers who will examine the connections between land use, public policy, water quality and climate change in the Maumee River watershed. More information on this four-year project may be found at