Institut für Lebensmittel- und Ressourcenökonomik (ILR): Browsing Institut für Lebensmittel- und Ressourcenökonomik (ILR) by Author "Jafari, Yaghoob"
Now showing items 1-9 of 9
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COVID-19 and changes in global agri-food trade
Engemann, Helena; Jafari, Yaghoob (2022-04-09)COVID-19 has raised questions about the resilience of agri-food trade to global shocks to the system. This paper analyses the changes in agri-food trade (values, extensive and intensive margin, and diversification) during ... -
Food trade and regional trade agreements: A network perspective
Jafari, Yaghoob; Engemann, Helena; Zimmermann, Andrea (2023-08-02)Since the establishment of the World Trade Organization (WTO) also the number of Regional Trade Agreements (RTAs) has risen strongly, from less than 50 in 1995 to more than 350 in 2022. Increasingly overlapping RTAs imply ... -
Institutional quality and the duration of agri‐food trade flows
Engemann, Helena; Jafari, Yaghoob; Heckelei, Thomas (2022-05-25)Recent trade disruptions and their consequences on supply chains show the importance of stable trade relations for exporters' economic planning and importers' supply security. Both instability in trading partners' economic ... -
It is all in the details: A bilateral approach for modelling trade agreements at the tariff line
Jafari, Yaghoob; Himics, Mihaly; Britz, Wolfgang; Beckman, Jayson (2021-03-08)Policymakers are increasingly relying on computable general equilibrium (CGE) models to provide economy-wide impacts of trade agreements; however, these assessments often make the simplifying assumption of complete bilateral ... -
Markups and export behavior: Firm-level evidence from the French food processing industry
Jafari, Yaghoob; Koppenberg, Maximilian; Hirsch, Stefan; Heckelei, Thomas (2022-01-24)The relationship between a firm's markups and its export behavior is highly relevant to individual firms' strategic decisions as well as to governments' policies regarding competition. We investigate the impact of markups ... -
The multiple dimensions of resilience in agricultural trade networks
Jafari, Yaghoob; Engemann, Helena; Zimmermann, Andrea (2024-09-24)The global food and agricultural trade network is crucial for food security. Shocks such as those posed by extreme weather events, conflicts, pandemics, and economic crises can test the resilience of the trade network to ... -
Price Differences Between Organic and Conventional Products in E-Commerce
Jafari, Yaghoob (2025-03-17)The global market for organic foods is expanding, with consumers willing to pay more for their perceived health and sustainability benefits. However, expressing willingness to pay does not guarantee that sellers can charge ... -
Properly capturing tariff rate quotas for trade policy analysis in computable general equilibrium models
Jafari, Yaghoob; Britz, Wolfgang; Guimbard, Houssein; Beckman, Jayson (2021-08-19)Computable general equilibrium (CGE) models are generally used to conduct trade policy analysis; however, given the complexity in data collection and modeling, tariff rate quotas (TRQs) are often simplified in these models. ... -
Stringency and dissimilarity of Maximum Residue Levels affect bilateral agri-food trade stability
Engemann, Helena; Jafari, Yaghoob; Heckelei, Thomas (2025-03-11)Food standards are rising in both prevalence and stringency. They protect consumers and may enhance demand stability but also pose compliance challenges to producers, with ambiguous effects on the stability of trade ...











