Heteroskedasticity in Crop Yield Models
This study examines three alternative models of correcting for heteroskedasticity in wheat yield: The time trend variance, the GARCH, and an econometric model that includes the potential sources of heteroskedasticity. Nonnested test results suggest that modeling the sources of heteroskedasticity is...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Western Agricultural Economics Association
1992-07-01
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| Series: | Journal of Agricultural and Resource Economics |
| Subjects: | |
| Online Access: | https://ageconsearch.umn.edu/record/30738 |