Zein Kallas
Biographic Data
| ID | 6255239 |
|---|---|
| NAME | Zein Kallas |
| GIVEN NAMES | Zein |
| FAMILY NAME | Kallas |
| SIGNATURE | KALLAS Z |
| AFFILIATIONS | Institute of Agrifood Research and Technology |
| ORCID | 0000-0003-2870-3691 |
| VERIFIED | Yes |
| TOTAL WORKS | 10 |
| TOTAL CITATIONS | 7 |
| WORKS AS AUTHOR | 10 |
| WORKS AS EDITOR | 0 |
| FIRST PUBLICATION YEAR | 2012 |
| LATEST PUBLICATION YEAR | 2026 |
| H-INDEX | 1 |
Market connectedness and price spillovers in Ghanaian maize and yam markets
Integrated staple food markets are essential for food security in sub-Saharan Africa, where national production is often sufficient but spatial disparities limit access for households in deficit regions. This study examines price connectedness in maize and yam markets across ten major regions in Ghana and assesses how transmission patterns respond to domestic and global shocks. Using monthly wholesale prices from January 2006 to December 2024, we…
Estimating the hospitalisation burden of obesity in Europe
Obesity represents a significant public health and economic challenge across Europe, driving an increased chronic disease burden and increased hospital utilisation. Despite this impact, cross-national evidence quantifying obesity’s hospitalisation burden remains sparse, and there is only a limited understanding of the potential cost savings achievable through obesity prevalence reduction. We analysed European Health Interview Survey (EHIS) Wave 3…
Circular farming
Circular farming is a sustainable food production system focused on recovering nutrients and minimizing negative environmental effects. Consumers’ preference for circular food stimulates producers to adopt circular farming systems. This study aims to analyse consumers’ willingness to pay for beefsteak produced in a circular farming system and behaviours that influence their preferences. 5,246 EU consumers were surveyed using choice experiment met…
How socio-psychological drivers prompt the adoption of nature-based solutions
With global climate change and disruption in socio-ecological systems, the Mediterranean region is experiencing increased climatic pressures, depletion of natural resources and limited citizen participation in climate change adaptation actions. To address this issue, this study seeks to ascertain the socio-psychological attributes behind citizens’ pro-environmental behaviour by engaging in the adoption of Nature-Based Solutions (NBSs) in Mediterr…
Exploring the complex nexus of climate change, food security, and public health
Determinants of organic food purchase behaviour in the European Union
Purpose The purpose of this study is to analyse the impact of behavioural determinants, such as consumer attitude, subjective norm, behavioural control and sustainable buying behaviour, on organic food purchase behaviour in different EU countries. Design/methodology/approach A structured survey of more than 5000 individuals from Germany, Netherlands, Spain, Italy and Czech Republic was conducted to elicit consumer responses regarding behavioural …
Extensive Mediterranean agroecosystems and their linked traditional breeds
Meta-analysis of consumers' willingness to pay for sustainable food products
Farmers’ environmental perceptions and preferences regarding climate change adaptation and mitigation actions; towards a sustainable agricultural system in México
Assessing the impact of a Christmas advertisement campaign on Catalan wine preference using Choice Experiments
Assessing the impact of a Christmas advertisement campaign on Catalan wine preference using Choice Experiments
Farmers’ environmental perceptions and preferences regarding climate change adaptation and mitigation actions; towards a sustainable agricultural system in México
Meta-analysis of consumers' willingness to pay for sustainable food products
Extensive Mediterranean agroecosystems and their linked traditional breeds
Determinants of organic food purchase behaviour in the European Union
Purpose The purpose of this study is to analyse the impact of behavioural determinants, such as consumer attitude, subjective norm, behavioural control and sustainable buying behaviour, on organic food purchase behaviour in different EU countries. Design/methodology/approach A structured survey of more than 5000 individuals from Germany, Netherlands, Spain, Italy and Czech Republic was conducted to elicit consumer responses regarding behavioural …
Circular farming
Circular farming is a sustainable food production system focused on recovering nutrients and minimizing negative environmental effects. Consumers’ preference for circular food stimulates producers to adopt circular farming systems. This study aims to analyse consumers’ willingness to pay for beefsteak produced in a circular farming system and behaviours that influence their preferences. 5,246 EU consumers were surveyed using choice experiment met…
How socio-psychological drivers prompt the adoption of nature-based solutions
With global climate change and disruption in socio-ecological systems, the Mediterranean region is experiencing increased climatic pressures, depletion of natural resources and limited citizen participation in climate change adaptation actions. To address this issue, this study seeks to ascertain the socio-psychological attributes behind citizens’ pro-environmental behaviour by engaging in the adoption of Nature-Based Solutions (NBSs) in Mediterr…
Exploring the complex nexus of climate change, food security, and public health
Market connectedness and price spillovers in Ghanaian maize and yam markets
Integrated staple food markets are essential for food security in sub-Saharan Africa, where national production is often sufficient but spatial disparities limit access for households in deficit regions. This study examines price connectedness in maize and yam markets across ten major regions in Ghana and assesses how transmission patterns respond to domestic and global shocks. Using monthly wholesale prices from January 2006 to December 2024, we…
Estimating the hospitalisation burden of obesity in Europe
Obesity represents a significant public health and economic challenge across Europe, driving an increased chronic disease burden and increased hospital utilisation. Despite this impact, cross-national evidence quantifying obesity’s hospitalisation burden remains sparse, and there is only a limited understanding of the potential cost savings achievable through obesity prevalence reduction. We analysed European Health Interview Survey (EHIS) Wave 3…
Business (5 works) · Agriculture (4 works) · Agriculture Sustainability and Environmental Impact (4 works) · Economic and Environmental Valuation (4 works) · Economics (4 works) · Geography (4 works) · Advertising (3 works) · Ecology (3 works) · Environmental resource management (3 works) · Environmental Science (3 works)