Abstract
This paper conducted a Markov switching seemingly unrelated regression without assuming a normal distribution of the error term. We proposed the use of both Archimedean and Elliptical copula classes to join the different marginal of the system equations. The results show that normal distribution for both demand and supply equations and joint distribution by Frank copulas present the lowest AIC and BIC. Moreover, the model is, then, applied for estimating the demand and supply in Thai sugar market. Thai export price and Brazil’s export price were found to be the factors affecting the demand and supply of the Thai sugar market. Finally, the results on smoothed probabilities indicate the oversupply condition in Thai sugar market along our sample period.
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Notes
- 1.
Marketing year refers to the 12-month period, generally from the beginning of a new harvest, over which a crop is marketed (Report for Congress: Agriculture: A Glossary of Terms, Programs, and Laws, 2005 Edition).
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Acknowledgement
The authors are grateful to Puay Ungphakorn Centre of Excellence in Econometrics, Faculty of Economics. Chiang Mai University for the financial support.
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Pastpipatkul, P., Panthamit, N., Yamaka, W., Sriboochitta, S. (2016). A Copula-Based Markov Switching Seemingly Unrelated Regression Approach for Analysis the Demand and Supply on Sugar Market. In: Huynh, VN., Inuiguchi, M., Le, B., Le, B., Denoeux, T. (eds) Integrated Uncertainty in Knowledge Modelling and Decision Making. IUKM 2016. Lecture Notes in Computer Science(), vol 9978. Springer, Cham. https://doi.org/10.1007/978-3-319-49046-5_41
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