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Price Bubble in Selected ASEAN Agricultural Exports: An Application of the Generalized Supremum Augmented Dickey Fuller

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  • Caramugan, Karlo Martin
  • Bayacag, Purisima
Abstract
Typical economic theory suggests that price volatility especially the upswings in food price in the commodity market is driven by market fundamentals, i.e., the demand and supply for the commodity. The recent behavior of the world food commodity prices has experienced several large spikes with the 2007-2008 episodes as the most dramatic. The prolonged rise of global commodity prices which peaked in mid-2008, had been seen to fall sharply and bottomed out in early 2009. This price increase which strongly deviated from its intrinsic value was characterized as explosive which indicates price bubble. The study investigated the existence of a price bubble in selected key ASEAN exports i.e. rice, rubber and palm oil. Using the generalized supremum augmented Dickey-Fuller (GSADF), results reveal multiple bubbles from 1980-2015. Furthermore, through descriptive correlation, these price bubbles had observed to form with some important local and international economic and political scenarios at the backdrop. With these findings, it is recommended that key exporting countries cooperate in creating an international supply management system to ensure the sufficiency and sustainability of the supply of the key agricultural products. Furthermore, it is recommended to improve current market information systems to reduce price volatility. ASEAN countries can reduce the price transmission from international markets through the use of trade controls and buffer stocks. In the longer run, exporting countries need to invest more in their agricultural sector, making it more productive and efficient, thus will make food more affordable for the poor and reduce price volatility.

Suggested Citation

  • Caramugan, Karlo Martin & Bayacag, Purisima, 2016. "Price Bubble in Selected ASEAN Agricultural Exports: An Application of the Generalized Supremum Augmented Dickey Fuller," MPRA Paper 74807, University Library of Munich, Germany.
    • Handle: RePEc:pra:mprapa:74807
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    References listed on IDEAS

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    Cited by:

    1. Fatima, Hira & Ahmed, Mumtaz, 2019. "Testing for Exuberance Behavior in Agricultural Commodities of Pakistan," MPRA Paper 95304, University Library of Munich, Germany.

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    More about this item

    Keywords

    Fundamental Price; GSADF; Price Bubble;
    All these keywords.

    JEL classification:

    • F62 - International Economics - - Economic Impacts of Globalization - - - Macroeconomic Impacts
    • Q17 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - Agriculture in International Trade
    • Q18 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - Agricultural Policy; Food Policy; Animal Welfare Policy

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