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Contextual appraisal of GM cotton diffusion in South Africa

Fok, Michel; Gouse, Marnus; Hofs, Jean-Luc; Kirsten, Johann - HAL - 2007

L'essentiel de la production de coton en Afrique du Sud provient des fermiers à production commerciale, il est donc … erroné de considérer l'adoption impressionnante de Coton Génétiquement Modifié (CGM) comme un exemple d'utilisation réussie … par les petits producteurs. Le secteur coton sud-africain évolue dans un environnement instable de production et de …

Persistent link: https://www.econbiz.de/10008791009

GM Cotton in China: Innovation integration and seed market disintegration

Fok, Michel; Xu, Naiyin - HAL - 2007

L'idée prévaut que ce sont les avantages spécifiques du coton-Bt qui ont permis la diffusion réussie du coton … génétiquement modifié en Chine. L'efficience du coton-Bt varie cependant entre les régions de production. Dans la Province du … ravageurs est limitée et globalement, il n'y a d'amélioration de la rentabilité liée spécifiquement à l'utilisation du coton …

Persistent link: https://www.econbiz.de/10008792423

DIFERENÇAS DE FINALIDADE E MODIFICAÇÕES ESTRUTURAIS NA FILIÈRE DO ARROZ BIODINÂMICO: O CASO DE SENTINELA DO SUL, RS

Hoff, Debora Nayar; Bruch, Kelly Lissandra - 2007

This article aims to study the implications that result from the purpose differences between the biodynamic rice producer systemsand the industry of this product in the filière structure. The theoretical approach includes system comprehension and the companyvision in the systemic approach,...

Persistent link: https://www.econbiz.de/10009445658

Trade unions facing a French industrial policy : the emergence of a medical imaging filière

Klebaner, Samuel - In: Economic and industrial democracy 44 (2023) 2, pp. 573-603

Persistent link: https://www.econbiz.de/10014295659

Does commodity price volatility harm financial development? : evidence from developing commodity exporting countries

Houndoga, Fréjus-Ferry; Gabriel, Picone - In: Journal for studies in economics and econometrics : SEE 47 (2023) 1, pp. 1-22

Persistent link: https://www.econbiz.de/10014319255

Real Options at Bell Canada

Boyer, Marcel; Gravel, Éric - Centre Interuniversitaire de Recherche en Analyse des … - 2003

In this report, we first develop a simplified example that illustrates the importance of considering the option ``waiting to invest'' when valuing an investment. This is followed by a short description of other options that could be embedded in an investment opportunity. In order to stress the...

Persistent link: https://www.econbiz.de/10005100465

Rolling-Sample Volatility Estimators: Some New Theoretical, Simulation and Empirical Results

Andreou, Elena; Ghysels, Eric - Centre Interuniversitaire de Recherche en Analyse des … - 2000

We propose different extensions of the continuous record asymptotic analysis for rolling sample variance estimators developed by Foster and Nelson (1996). First, despite the difference in information sets we are able to compare the asymptotic distribution of volatility estimators involving data...

Persistent link: https://www.econbiz.de/10005100672

Testing and Comparing Value-at-Risk Measures

Christoffersen, Peter; Hahn, Jinyong; Inoue, Atsushi - Centre Interuniversitaire de Recherche en Analyse des … - 2001

Value-at-Risk (VaR) has emerged as the standard tool for measuring and reporting financial market risk. Currently, more than eighty commercial vendors offer enterprise or trading risk management systems which report VaR-like measures. Risk managers are therefore often left with the daunting task...

Persistent link: https://www.econbiz.de/10005100810

The Determinants of Credit Default Swap Premia

Ericsson, Jan; Jacobs, Kris; Oviedo, Rodolfo A. - Centre Interuniversitaire de Recherche en Analyse des … - 2004

Using a new dataset of bid and offer quotes for credit default swaps, we investigate the relationship between theoretical determinants of default risk and actual market premia using linear regression. These theoretical determinants are firm leverage, volatility and the riskless interest rate. We...

Persistent link: https://www.econbiz.de/10005100839

The Informational Content of Over-the-Counter Currency Options

Christoffersen, Peter; Mazzotta, Stefano - Centre Interuniversitaire de Recherche en Analyse des … - 2004

Policy makers and market participants often consider the forward-looking information in currency option valuations when making assessments about future developments in foreign exchange rates. Option implied volatilities can be used as forecasts of realized volatility and interval and density...

Persistent link: https://www.econbiz.de/10005100923

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