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Impact du changement climatique sur l'agriculture : détermination de l'existence d'un biais de prix dans les études ricardiennes
| Content Provider | Semantic Scholar |
|---|---|
| Author | Ochou, Ess Ž. Fabrice Quirion, Philippe |
| Copyright Year | 2017 |
| Abstract | This study shows the existence of a price bias in the so-called ORicardianO studies inspired by Mendelsohn et al. (AER, 1994) and quantifies this bias. To do this, we use panel data on the 45 provinces of Burkina Faso over 12 years. The crops studied are maize, millet and sorghum. The analysis shows that the effects of climate variables on the yield and value of production per hectare of maize and millet are not the same, reflecting the presence of a price bias. In the case of Sorghum, the effects of climatic variables on yields and the value of production per hectare are practically the same, indicating the absence of statistically significant price bias. Quantifying the price bias in cases where it exists, ie for maize and millet shows that the more unfavorable the climate change, the greater the price bias will be. In the worst case, it reaches a gap of 2.05 percentage point for millet and 0.92 percentage point for maize. From this analysis, Ricardian in cross sectional or even panel studies assuming constant prices underestimate the impact of climate change by using income or value. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | https://hal.archives-ouvertes.fr/hal-02080392/document |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |