Zein Kallas

2.5k total citations · 1 hit paper
107 papers, 1.9k citations indexed

About

Zein Kallas is a scholar working on Economics and Econometrics, Plant Science and Food Science. According to data from OpenAlex, Zein Kallas has authored 107 papers receiving a total of 1.9k indexed citations (citations by other indexed papers that have themselves been cited), including 45 papers in Economics and Econometrics, 36 papers in Plant Science and 28 papers in Food Science. Recurrent topics in Zein Kallas's work include Economic and Environmental Valuation (40 papers), Organic Food and Agriculture (32 papers) and Agriculture Sustainability and Environmental Impact (25 papers). Zein Kallas is often cited by papers focused on Economic and Environmental Valuation (40 papers), Organic Food and Agriculture (32 papers) and Agriculture Sustainability and Environmental Impact (25 papers). Zein Kallas collaborates with scholars based in Spain, Italy and France. Zein Kallas's co-authors include José María Gil Roig, Shanshan Li, José A. Gómez‐Limón, Teresa Serra, C.E. Realini, Sinéad N. McCarthy, Manuel Arriaza, Fiona Thorne, Lourdes Reig Puig and Fatima Lambarraa-Lehnhardt and has published in prestigious journals such as SHILAP Revista de lepidopterología, Journal of Cleaner Production and Renewable Energy.

In The Last Decade

Zein Kallas

97 papers receiving 1.8k citations

Hit Papers

Meta-analysis of consumers' willingness to pay for sustai... 2021 2026 2022 2024 2021 50 100 150 200
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. Meta-analysis of consumers' willingness to pay for sustainable food products
    2021 211 citations Shanshan Li, Zein Kallas profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Zein Kallas Spain 25 574 498 411 349 311 107 1.9k
Francisco Javier Mesías Díaz Spain 27 542 0.9× 230 0.5× 505 1.2× 375 1.1× 451 1.5× 83 1.9k
Pieter Rutsaert Belgium 23 512 0.9× 343 0.7× 498 1.2× 250 0.7× 384 1.2× 39 2.1k
Raffaele Zanoli Italy 26 1.2k 2.2× 460 0.9× 710 1.7× 749 2.1× 344 1.1× 138 2.8k
Ellen Goddard Canada 22 493 0.9× 543 1.1× 530 1.3× 429 1.2× 270 0.9× 113 1.8k
Frode Alfnes Norway 27 723 1.3× 1.0k 2.0× 455 1.1× 714 2.0× 309 1.0× 55 2.4k
Jacques Viaene Belgium 26 765 1.3× 358 0.7× 652 1.6× 359 1.0× 232 0.7× 122 2.7k
Carl Johan Lagerkvist Sweden 33 956 1.7× 1.2k 2.4× 612 1.5× 589 1.7× 680 2.2× 142 3.4k
David L. Ortega United States 27 813 1.4× 797 1.6× 684 1.7× 541 1.6× 313 1.0× 98 2.3k
Simona Naspetti Italy 21 940 1.6× 358 0.7× 620 1.5× 650 1.9× 258 0.8× 60 1.9k
Gianluca Nardone Italy 21 518 0.9× 242 0.5× 620 1.5× 492 1.4× 145 0.5× 57 1.9k

Countries citing papers authored by Zein Kallas

Since Specialization
Citations

This map shows the geographic impact of Zein Kallas'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 Zein Kallas with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Zein Kallas more than expected).

Fields of papers citing papers by Zein Kallas

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Zein Kallas. 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 Zein Kallas. The network helps show where Zein Kallas may publish in the future.

Co-authorship network of co-authors of Zein Kallas

This figure shows the co-authorship network connecting the top 25 collaborators of Zein Kallas. A scholar is included among the top collaborators of Zein Kallas 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 Zein Kallas. Zein Kallas 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.
Herralde, Felicidad De, et al.. (2025). European Union green deal in action: Harnessing consumer preferences to drive pesticide reduction in winegrowing. Journal of Cleaner Production. 519. 145979–145979.
2.
Li, Shanshan, et al.. (2025). Market potential for circular food in Europe based on consumer demand and willingness to pay. npj Science of Food. 9(1). 146–146.
3.
Kallas, Zein, et al.. (2025). Context matters: how different information influences consumer preferences and willingness to pay for animal products fed with insects. Journal of Insects as Food and Feed. 11(11). 1901–1917.
4.
5.
Kallas, Zein, et al.. (2025). Evolving Appetites: Current Evidence and Future Perspectives in Terms of Meat Substitutes in Europe. Food Science & Nutrition. 13(1). e4753–e4753. 1 indexed citations
6.
7.
Kallas, Zein, et al.. (2024). Determinants of organic food purchase behaviour in the European Union: a cross-country analysis guided by the theory of planned behavior. British Food Journal. 126(8). 3017–3036. 7 indexed citations
8.
9.
Kallas, Zein, et al.. (2024). Development of a yeast‐free bread using legume and nut flours in a gluten‐free flour: Techno‐functional characteristics and sensory evaluation. International Journal of Food Science & Technology. 59(6). 3999–4010. 2 indexed citations
10.
Kallas, Zein, et al.. (2024). Consumer acceptance and willingness to pay for olive oil with reduced pesticide use in the Euro-Mediterranean region: A reference-dependent contingent valuation approach. Journal of Agriculture and Food Research. 19. 101629–101629. 4 indexed citations
11.
Kallas, Zein, et al.. (2023). Towards more sustainable animal-feed alternatives: A survey on Spanish consumers' willingness to consume animal products fed with insects. Sustainable Production and Consumption. 41. 9–20. 19 indexed citations
12.
Claret, Anna, et al.. (2023). European consumers’ beliefs about the main pillars of the sustainability: a comparison between wild and farmed fish. Aquaculture International. 31(4). 2035–2055. 2 indexed citations
13.
Kallas, Zein, et al.. (2018). Determinant Factors of the Adoption of Improved Maize Seeds in Southern Mexico: A Survival Analysis Approach. Sustainability. 10(10). 3543–3543. 29 indexed citations
14.
Kallas, Zein, et al.. (2017). Importancia de los objetivos sociales, ambientales y económicos de los agricultores en la adopción de maíz mejorado en Chiapas, México. Revista de la Facultad de Ciencias Agrarias UNCuyo. 2 indexed citations
15.
Kallas, Zein, et al.. (2016). Towards entire male pigs in Europe: A perspective from the Spanish supply chain. Research in Veterinary Science. 107. 20–29. 14 indexed citations
16.
Gil, Marta, Zein Kallas, María Belén Linares, et al.. (2016). Consumers' sensitivity to androstenone and the evaluation of different cooking methods to mask boar taint. Meat Science. 123. 198–204. 15 indexed citations
17.
Kallas, Zein, et al.. (2014). Analysis of the stakeholders’ attitudes for banning of castration of male pigs in Europe: focus group methodology. Archivos Latinoamericanos de Producción Animal. 22(5). 117–120. 2 indexed citations
18.
Kallas, Zein, José María Gil Roig, Marta Blanch, et al.. (2013). Effect of tasting and information on consumer opinion about pig castration. Meat Science. 95(2). 242–249. 20 indexed citations
19.
Kallas, Zein & José A. Gómez‐Limón. (2007). Valoración De La Multifuncionalidad Agraria: Una Aplicación A Través Del Método De Los Experimentos De Elección/Agricultural Multifunctionality Valuation: A Case Study Using The Choice Experiment. RePEc: Research Papers in Economics. 25. 107–144. 1 indexed citations
20.
Kallas, Zein & José A. Gómez‐Limón. (2007). Valoración De La Multifuncionalidad Agraria: Una Aplicación A Través Del Método De Los Experimentos De Elección. Studies of Applied Economics. 25(1). 107–143. 2 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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