Search Results - "Bullock, David S"

Refine Results
  1. 1

    Causal forest approach for site-specific input management via on-farm precision experimentation by Kakimoto, Shunkei, Mieno, Taro, Tanaka, Takashi S.T., Bullock, David S

    Published in Computers and electronics in agriculture (01-08-2022)
    “…•Causal forest is a novel machine learning method focusing on the identification of heterogeneous causal effects of treatment unlike the conventional machine…”
    Get full text
    Journal Article
  2. 2

    Toward an effective approach for on-farm experimentation: lessons learned from a case study of fertilizer application optimization in Japan by Tanaka, Takashi S. T., Mieno, Taro, Tanabe, Ryoya, Matsui, Tsutomu, Bullock, David S.

    Published in Precision agriculture (01-10-2023)
    “…On-farm experimentation (OFE) is increasing worldwide. Appropriate OFE procedures may differ depending on the characteristics and circumstances surrounding…”
    Get full text
    Journal Article
  3. 3

    A discussion of the market and policy failures associated with the adoption of herbicide-tolerant crops by Desquilbet, Marion, Bullock, David S., D'Arcangelo, Filippo Maria

    “…Weed control in the U.S. Midwest has become increasingly herbicide-centric due to the adoption of herbicide-tolerant (HT) crops in the 1990s. That integrated…”
    Get full text
    Journal Article
  4. 4

    The Economic Impact of New Technology Adoption on the U.S. Apple Industry by Busdieker-Jesse, Nichole L., Nogueira, Lia, Onal, Hayri, Bullock, David S.

    “…We develop a temporal and spatial partial equilibrium model to evaluate the welfare impact of new technology on the apple industry to control fire blight. We…”
    Get full text
    Journal Article
  5. 5

    The economic performances of different trial designs in on-farm precision experimentation: a Monte Carlo evaluation by Li, Xiaofei, Mieno, Taro, Bullock, David S.

    Published in Precision agriculture (01-12-2023)
    “…On-farm precision experimentation (OFPE) has expanded rapidly over the past few years. While the importance of OFPE trial design efficiency has been…”
    Get full text
    Journal Article
  6. 6

    The Data‐Intensive Farm Management Project: Changing Agronomic Research Through On‐Farm Precision Experimentation by Bullock, David S., Boerngen, Maria, Tao, Haiying, Maxwell, Bruce, Luck, Joe D., Shiratsuchi, Luciano, Puntel, Laila, Martin, Nicolas F.

    Published in Agronomy journal (01-11-2019)
    “…The Data‐Intensive Farm Management (DIFM) project works with participating farmers, using precision technology to inexpensively design and run randomized…”
    Get full text
    Journal Article
  7. 7

    Towards a theory of policy timing by Mittenzwei, Klaus, Bullock, David S, Salhofer, Klaus

    “…The article presents a theory of policy timing that relies on uncertainty and transaction costs to explain the optimal timing and duration of policy reforms…”
    Get full text
    Journal Article
  8. 8

    The value of conducting on-farm field trials using precision agriculture technology: a theory and simulations by Bullock, David S., Mieno, Taro, Hwang, Jaeseok

    Published in Precision agriculture (01-10-2020)
    “…The objectives of this article are to examine the practicality of on-farm precision experiments to sufficiently lower the costs of acquiring the information…”
    Get full text
    Journal Article
  9. 9

    An economic evaluation of site-specific input application Rx maps: evaluation framework and case study by Gardner, Grant, Mieno, Taro, Bullock, David S.

    Published in Precision agriculture (01-08-2021)
    “…Commercial consultants frequently sell site-specific crop input management recommendation maps ( R x s) to their farmer-clients. This study proposes a method…”
    Get full text
    Journal Article
  10. 10

    Can machine learning models provide accurate fertilizer recommendations? by Tanaka, Takashi S. T., Heuvelink, Gerard B. M., Mieno, Taro, Bullock, David S.

    Published in Precision agriculture (01-08-2024)
    “…Accurate modeling of site-specific crop yield response is key to providing farmers with accurate site-specific economically optimal input rates (EOIRs)…”
    Get full text
    Journal Article
  11. 11

    An Expected Value of Sample Information (EVSI) Approach for Estimating the Payoff from a Variable Rate Technology by Queiroz, Pedro W V, Perrin, Richard K, Fulginiti, Lilyan E, Bullock, David S

    “…This paper examines the expected payoff to variable rate technology for fertilizer application in terms of a Bayesian expectation of the value of sample…”
    Get full text
    Journal Article
  12. 12
  13. 13

    Social Welfare Effects of Transparency and Misinformation in a Political Economy by Bullock, David S., Mittenzwei, Klaus, Josling, Timothy E.

    “…We present a game-theoretical model arguing that greater public transparency does not necessarily lead to higher social welfare. Political agents can benefit…”
    Get full text
    Journal Article
  14. 14

    Who Pays the Costs of Non-GMO Segregation and Identity Preservation? by Desquilbet, Marion, Bullock, David S.

    Published in American journal of agricultural economics (01-08-2009)
    “…Our aim is to explore who pays the costs and who reaps the benefits of maintaining a dual-market system of genetically modified organisms (GMOs) and non-GMOs…”
    Get full text
    Journal Article
  15. 15

    Innovation in GMOs, technological gap, demand lag, and trade by Oliveira, Paulo Ricardo S., Silveira, Jose Maria F. J. da, Bullock, David S.

    Published in Agribusiness (New York, N.Y.) (2020)
    “…The nexus of innovation and trade is commonly analyzed in terms of technological gaps and market‐share gains for innovating countries. However, this…”
    Get full text
    Journal Article
  16. 16

    Multidisciplinary Teams: A Necessity for Research in Precision Agriculture Systems by Bullock, D.S, Kitchen, N, Bullock, D.G

    Published in Crop science (01-09-2007)
    “…Precision agriculture may offer great promise for the future, but extensive research is required if that promise is to be realized. The research will not be…”
    Get full text
    Journal Article
  17. 17

    On the proportionality of EU spatial ex ante coexistence regulations: A comment by Desquilbet, Marion, Bullock, David S.

    Published in Food policy (01-02-2010)
    “…In their recent article in this journal, Demont et al. (2009) discuss the effects of alternative spatial ex ante coexistence regulations (SEACERs) in the…”
    Get full text
    Journal Article
  18. 18

    Measuring producer welfare under output price uncertainty and risk non-neutrality by Bullock, David S., Garcia, Philip, Shin, Kie‐Yup

    “…Procedures to measure the producer welfare effects of changes in an output price distribution under uncertainty are reviewed. Theory and numerical integration…”
    Get full text
    Journal Article
  19. 19

    Using Spatial Analysis to Study the Values of Variable Rate Technology and Information by Bullock, David S., Lowenberg-DeBoer, James

    Published in Journal of agricultural economics (01-09-2007)
    “…For adoption of variable rate technology to increase, more knowledge of how crop yields respond to inputs is needed. As the necessary agronomic research…”
    Get full text
    Journal Article
  20. 20

    Value of Variable Rate Technology: An Information-Theoretic Approach by Bullock, David S, Ruffo, Matías L, Bullock, Donald G, Bollero, Germán A

    Published in American journal of agricultural economics (01-02-2009)
    “…We present a theoretical treatment of the economics of variable rate technology and its interplay with information. The framework facilitates description of…”
    Get full text
    Journal Article