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Market structure, vertical integration and farmers' welfare in Costa Rica coffee industry

Leone, Fabrizio; Macchiavello, Rocco; Miquel-Florensa, … - 2025

Widespread market imperfections in agricultural value chains raise the possibility that regulatory interventions may enhance efficiency and farmers' welfare. We develop a structural model of agricultural value chains and estimate it using rich data from Costa Rica's coffee sector to evaluate...

Persistent link: https://www.econbiz.de/10015339889

Measuring the integration of staple food markets in Sub-Saharan Africa : heterogeneous infrastructure and cross border trade in the East African community

Ihle, Rico; Cramon-Taubadel, Stephan von; Zorya, Sergiy I. - 2011

This analysis employs cointegration methods and semiparametric regression in order to assess the integration of maize markets and the factors determining national and cross-national transmission of price signals in Sub-Saharan Africa. We use a rich dataset of 16 series of wholesale maize prices...

Persistent link: https://www.econbiz.de/10009011814

Spatial differentiation and market power in input procurement : evidence from a structural model of the corn market

Jung, Jinho; Sesmero, Juan; Siebert, Ralph - 2020

We estimate the cost of transporting corn and the resulting degree of spatial differentiation among downstream firms that buy corn from upstream farmers and examine whether such differentiation softens competition enabling buyers to exert market power (defined as the ability to pay a price for...

Persistent link: https://www.econbiz.de/10012162628

Growing like China : firm performance and global production line position

Chor, Davin; Manova, Kalina; Yu, Zhihong - 2020

Global value chains have fundamentally transformed international trade and development in recent decades. We use matched firm-level customs and manufacturing survey data, together with Input-Output tables for China, to examine how Chinese firms position themselves in global production lines and...

Persistent link: https://www.econbiz.de/10012270354

Optimal epidemic suppression under an ICU constraint

Miclo, Laurent; Spiro, Daniel; Weibull, Jörgen W. - 2020

during an epidemic? We study a setting where ICU resources are constrained while suppression is costly (e.g., limiting … suppression measures are continuously taken to hold down the spread throughout the epidemic, is suboptimal. Instead, the optimal … suppression is discountinuous. The epidemic should be left unregulated in a first phase and when the ICU constraint is approaching …

Persistent link: https://www.econbiz.de/10012219144

The economic impacts of a pandemic : what happened after SARS in 2003?

Nguyen Doan; Nguyen Phuc Canh; Noy, Ilan; Sawada, Yasuyuki - 2020

This study quantifies the economic impacts of SARS on the four affected Asian economies and the two most affected Chinese regions using synthetic control methods with macroeconomic and remote-sensing nightlight data. For the four affected economies (China, Hong Kong, Taiwan, and Singapore), we...

Persistent link: https://www.econbiz.de/10012312227

Optimally controlling an epidemic

Gonzalez-Eiras, Martín; Niepelt, Dirk - 2020

We propose a flexible model of infectious dynamics with a single endogenous state variable and economic choices. We characterize equilibrium, optimal outcomes, static and dynamic externalities, and prove the following: (i) A lockdown generically is followed by policies to stimulate activity....

Persistent link: https://www.econbiz.de/10012388160

V for vaccines and variants

Delli Gatti, Domenico; Reissl, Severin; Turco, Enrico - 2021

) to evaluate the effects of vaccinations and variants on the epidemic and macroeconomic outlook. Vaccination plays the …, increasing the volatility of epidemic curves and worsening the macroeconomic outlook. If a more contagious variant emerges after …

Persistent link: https://www.econbiz.de/10012619411

Firm behavior during an epidemic

Brotherhood, Luiz Mário; Jerbashian, Vahagn - 2020

We derive a model in which firms operate in an epidemic environment and internalize infections among their employees in … the workplace. The model is calibrated to fit the properties of the Covid-19 epidemic. We show that firms have incentives …

Persistent link: https://www.econbiz.de/10012258622

On the optimal "lockdown" during an epidemic

Gonzalez-Eiras, Martín; Niepelt, Dirk - 2020

We embed a lockdown choice in a simplified epidemiological model and derive formulas for the optimal lockdown intensity and duration. The optimal policy reflects the rate of time preference, epidemiological factors, the hazard rate of vaccine discovery, learning effects in the health care...

Persistent link: https://www.econbiz.de/10012206448