Keijiro Otsuka

10.1k total citations · 1 hit paper
212 papers, 5.8k citations indexed

About

Keijiro Otsuka is a scholar working on Soil Science, Economics and Econometrics and General Agricultural and Biological Sciences. According to data from OpenAlex, Keijiro Otsuka has authored 212 papers receiving a total of 5.8k indexed citations (citations by other indexed papers that have themselves been cited), including 74 papers in Soil Science, 67 papers in Economics and Econometrics and 66 papers in General Agricultural and Biological Sciences. Recurrent topics in Keijiro Otsuka's work include Land Rights and Reforms (52 papers), Agricultural Innovations and Practices (43 papers) and Agriculture, Land Use, Rural Development (32 papers). Keijiro Otsuka is often cited by papers focused on Land Rights and Reforms (52 papers), Agricultural Innovations and Practices (43 papers) and Agriculture, Land Use, Rural Development (32 papers). Keijiro Otsuka collaborates with scholars based in Japan, United States and Philippines. Keijiro Otsuka's co-authors include Tetsushi Sonobe, Frank Place, Yūjirō Hayami, Yoko Kijima, Agnes Quisumbing, Jonna P. Estudillo, Rie Muraoka, Kazushi Takahashi, D. Sserunkuuma and Donald F. Larson and has published in prestigious journals such as Journal of Political Economy, World Development and Journal of Development Economics.

In The Last Decade

Keijiro Otsuka

204 papers receiving 5.0k citations

Hit Papers

Technology adoption, impact, and extension in developing ... 2019 2026 2021 2023 2019 50 100 150 200 250
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Technology adoption, impact, and extension in developing countries’ agriculture: A review of the recent literature
    2019 266 citations Kazushi Takahashi, Rie Muraoka et al. Agricultural Economics profile →

Peers

Keijiro Otsuka
Bart Minten United States
Thomas S. Jayne United States
Peter Hazell United States
Ashok K. Mishra United States
John Pender United States
Ruth Meinzen‐Dick United States
Shenggen Fan United States
Marc F. Bellemare United States
Luc Christiaensen United States
Stein T. Holden Norway
Bart Minten United States
Keijiro Otsuka
Citations per year, relative to Keijiro Otsuka Keijiro Otsuka (= 1×) peers Bart Minten

Countries citing papers authored by Keijiro Otsuka

Since Specialization
Citations

This map shows the geographic impact of Keijiro Otsuka's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Keijiro Otsuka with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Keijiro Otsuka more than expected).

Fields of papers citing papers by Keijiro Otsuka

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Keijiro Otsuka. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Keijiro Otsuka. The network helps show where Keijiro Otsuka may publish in the future.

Co-authorship network of co-authors of Keijiro Otsuka

This figure shows the co-authorship network connecting the top 25 collaborators of Keijiro Otsuka. A scholar is included among the top collaborators of Keijiro Otsuka based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Keijiro Otsuka. Keijiro Otsuka is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Otsuka, Keijiro, Thomas S. Jayne, Yukichi Mano, & Kazushi Takahashi. (2024). Viewpoint: Toward a sustainable Green Revolution in sub-Saharan Africa: The case of maize and rice. Food Policy. 129. 102762–102762. 3 indexed citations
2.
3.
Barnes, Justin, et al.. (2023). FDI, production networks and firm behaviour: Evidence from the South African automotive industry. World Economy. 47(3). 1247–1273.
4.
Otsuka, Keijiro, et al.. (2020). The changing landscape of international migration: evidence from rural households in Bangladesh, 2000–2014. Oxford Development Studies. 48(3). 222–239. 6 indexed citations
5.
Otsuka, Keijiro, et al.. (2019). THE RISE AND FALL OF INDUSTRIALIZATION: THE CASE OF A SILK WEAVING DISTRICT IN MODERN JAPAN. Australian Economic History Review. 60(1). 46–72. 5 indexed citations
6.
Takahashi, Kazushi, Rie Muraoka, & Keijiro Otsuka. (2019). Technology Adoption, Impact, and Extension in Developing Countries' Agriculture: A Review of the Recent Literature. RePEc: Research Papers in Economics. 1 indexed citations
7.
Matsumoto, Tomoya, et al.. (2018). An Inquiry into the Heterogeneous Outcomes of International Migration: Evidence from Rural Households in Bangladesh. The Journal of Development Studies. 55(10). 2106–2128. 6 indexed citations
8.
Otsuka, Keijiro, et al.. (2017). A Review of the Literature on Productivity Impacts of Global Value Chains and Foreign Direct Investment: Towards an Integrated Approach. RePEc: Research Papers in Economics. 3 indexed citations
9.
Tsusaka, Takuji W. & Keijiro Otsuka. (2017). The changes in the effects of temperature and rainfall on cereal crop yields in Sub-Saharan Africa: a country level panel data study, 1989 to 2004. Environmental Economics. 4(2). 12 indexed citations
10.
Holden, Stein T., et al.. (2013). Land Tenure Reform in Asia and Africa. Palgrave Macmillan UK eBooks. 44 indexed citations
11.
Larson, Donald F., Keijiro Otsuka, Tomoya Matsumoto, & Talip Kilic. (2013). Should African rural development strategies depend on smallholder farms? An exploration of the inverse-productivity hypothesis. Agricultural Economics. 45(3). 355–367. 138 indexed citations
12.
Otsuka, Keijiro. (2012). Economic Transformation of Agriculture in Asia: Past Performance and Future Prospects. Asian Journal of Agriculture and Development. 9(1). 1–19. 3 indexed citations
13.
Otsuka, Keijiro & Kaliappa Kalirajan. (2008). Agriculture in developing countries : technology issues. SAGE Publications eBooks. 1 indexed citations
14.
Estudillo, Jonna P., Yasuyuki Sawada, & Keijiro Otsuka. (2004). The determinants of schooling investments of rural Filipino households, 1985-2002. RePEc: Research Papers in Economics. 41(1). 1–29. 1 indexed citations
15.
Estudillo, Jonna P., Agnes Quisumbing, & Keijiro Otsuka. (2000). Income distribution in rice–growing villages during the post‐Green Revolution periods: the Philippine case, 1985 and 1998. Agricultural Economics. 25(1). 71–84. 24 indexed citations
16.
Otsuka, Keijiro, Hiroyuki Chuma, & Yūjirō Hayami. (1992). Land and Labor Contracts in Agrarian Economies: Theories and Facts. Journal of Economic Literature. 30(4). 1965–2018. 191 indexed citations
17.
Otsuka, Keijiro. (1991). Rural Poverty and Access to Land in Asian Rice Economy. Econometric Reviews. 42(4). 319–329. 1 indexed citations
18.
Dutt, Som, et al.. (1989). Premières observations de communautés animales associées à l'hydrothermalisme arrière-arc du bassin Nord-Fidjien. Institutional Archive of Ifremer (French Research Institute for Exploitation of the Sea). 3 indexed citations
19.
Otsuka, Keijiro. (1985). Economics of Sharecropping:Theory and Practice. Econometric Reviews. 36(1). 75–84.
20.
Otsuka, Keijiro. (1977). Technique and Knowledge. 24(2). 59–61. 1 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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