Published Papers

  • Christopher B Barrett and Leah EM Bevis. (2016.) “The Reinforcing Feedback between Low Soil Fertility and Chronic Poverty,” Nature Geoscience, published online. [Paper,Blog]
  • Bevis, Leah EM, Christopher B Barrett. (2015.) “Decomposing Intergenerational Income Elasticity: The gender‐differentiated contribution of capital transmission in rural Philippines,” Word Development, 74:233-252. [Paper]
  • Leah EM Bevis. (2015.) “Soil-to-Human Mineral Transmission with an Emphasis on Zinc, Selenium and Iodine,” Springer Science Reviews, 3(1):77-96. [Paper]
  • Christopher B Barrett and Leah EM Bevis. (2015.) “The Micronutrient Deficiencies Challenge in African Food Systems.” In David E Sahn (Ed.), The Fight Against Hunger and Malnutrition: The Role of Food, Agriculture, and Targeted Policies. Oxford: Oxford University Press. [Paper]
  • Leah EM Bevis, Jon M Conrad, Christopher B Barrett. (2017). “State-Conditioned Soil Investment in Rural Uganda,” Research in Economics71(2):254-281. [Paper]

Working Papers
Close to the Edge: Do Behavioral Explanations Account for the Inverse Productivity Relationship? [pdf] [ETRM blog] [Development Impact]
    With Christopher B Barrett: Submitted
Intergenerational Transmission of Health, Cognition and Non-Cognitive Skills in Cebu, Philippines
     With Kira Villa
Variation in Crop Zinc Concentration Influences Estimates of Dietary Zinc Inadequacy
     With Rachel Hestrin: Submitted
Modeling Cereal Zinc Concentration in a Smallholder Setting
     With Rachel Hestrin

Ongoing Projects / New Work


left: soil pH in western Terai, Nepal. right: arsenic in Pakistan’s groundwater

I have several new projects on trace metals in soil/groundwater, crop productivity / grain nutrient content, and human health. This involves research on… (i) the impact of zinc deficiency in the soils of India and Nepal on child stunting and human zinc status, (ii) the differential impact of soil nutrients vs. maize genotype, in shaping maize zinc status in Uganda, (iii) the impact of arsenic contamination in Indus Valley groundwater on human health in Pakistan, (iv) the impact of unexploded ordinance on trace soil nutrients, agricultural productivity, crop nutrient status and human welfare in Cambodia.
Working with CIMMYT India/Nepal, Kichan Kim, David Guerena, Talip Kilic, Sydney Gourlay, Osama Sajid, Syed Hasan, Erin Lin, Nick Basta, Josh Blakeslee, Sui Phang

Screen Shot 2018-07-03 at 1.11.47 PM

Opioid deaths 2007-217

I’m beginning new work modeling opioid addiction, opioid overdose and opioid-related mortality in the Midwest. We’d like to modeling the effect of local economic/ demographic factors (e.g. poverty), infrastructure (e.g. proximity to highways), health and drug environment (e.g. pill mills, rehabs), and opioid-relevant policies (e.g., police forces with naloxone) on opioid abuse and overdoses. We also plan to leverage high-frequency addiction correlates to model and predict addiction rates at high geographic and temporal resolution, enabling rapid identification of opioid abuse hotspots. More maps here.
Working with Zoe Plakias, Arnab Nandi, Mike Vuolo, Mark Patridge

I have a few other projects measuring variation in child health in poor countries, due to seasonality (Uganda), weather shocks (Tanzania), or policy shocks (India), or temperature variation (global).
Working with Felix Naschold, Tanvi Rao, Joshua Wilde, Zoe McLaren

Other Links
Additionally, you can find some of my blogs at Chris Barrett’s research group blog, Economics That Really Matters. I also moderate a geospatial data repository for agricultural economists, stored here. More can be found on the importance of soils within this Nature collection.