Publications

Estimating the Nonfatal Injury Undercount in Agriculture between 2004-2019
Isabelle Picciotto, Timothy Beatty, Alexandra Estvan Hill
Journal of Agricultural Safety and Health, vol. 28(3), 2021, pp. 181-202
DOI: 10.13031/jash.15039

Research in Progress

(Job Market Paper) A Clean SWEEP? Estimating the Impacts of Irrigation Efficiency Subsidy Programs on Water and Energy Use
Abstract. State and federal governments spend billions of dollars on programs that provide subsidies to agricultural producers for on-farm actions to improve environmental outcomes, such as cover crops or efficiency-enhancing irrigation technologies. Evaluating these programs is econometrically complex due to the voluntary nature of participation and the ``black box'' evaluation of applicants. These challenges make it difficult to evaluate the realized effects on natural resources. Programs may have unintended consequences. Behavioral responses to efficiency improvements, for example, may cause a rebound effect in resource use, eroding potential benefits. I use granular applicant-level data for California's State Water Efficiency and Enhancement Program (SWEEP) to account for program selection combined with large volume field-level geospatial data to estimate whether receiving irrigation efficiency subsidies result in adjustments to production decisions that may cause a rebound effect. Across the entire set of applicants, on average, I find that program enrollment has no significant effect on crop choice or water use. However, I find distinct heterogeneities in how irrigation efficiency improvements influence crop choice and water use depending on the source of water used for irrigation, groundwater regulatory standards, and the type of technology installed. For applicants who have access to surface water for irrigation or do not install specific micro irrigation technologies, I find evidence of a rebound effect, demonstrated by switching to more water-intensive crops or increasing consumptive water use. Conversely, I find precisely estimated null effects for applicants that exclusively use groundwater and a decrease in consumptive water use for funded applicants that install micro irrigation technologies. The purpose of SWEEP is to reduce water use and energy use. I find that the effects of the program vary significantly across different groups such that the average effect of the program is zero. Taken together, these results illustrate the importance of agro-environmental program targeting.

Precision Agriculture and Information Technology Use in U.S. Specialty Crops: Overview, Trends and Efficiency Outcomes with J. McFadden, G. Astill, and D. Bonin (USDA ERS)

Additionality and Adaptation: The Impacts of Federal Irrigation Efficiency Investments with D. Szmurlo (USDA, ERS)
Abstract. We evaluate the effects of federal financial assistance for irrigation efficiency technologies on cultivation and water consumption in the American West. Given the voluntary nature of federal conservation programs, imperfect additionality, or the possibility of the funded conservation practices being implemented anyways in the absence of federal assistance, will attenuate any estimate of investment impact on production decisions if not addressed. We use a novel combination of administrative data from the U.S. Department of Agriculture, leveraging the application process and the general oversubscription of the Environmental Quality Incentives Program (EQIP) to identify the average treatment effect on enrolled farms and whether any changes from implemented irrigation technologies are additional on the landscape. We find that EQIP irrigation contracts increase the proportion of operation acreage dedicated to specialty crops and consumptive water use per acre while decreasing the proportion of operation acreage dedication to forage crops and fallow. Comparisons of funded EQIP-applicant farms to farms with deferred and canceled EQIP applications reveal no significant changes in acreage or water use, suggesting low additionality of EQIP irrigation contracts.
Hit me with your best shot: Does robotic weeding improve specialty crop yields? with A. Smith (UC Berkeley)