PurposeThe per capita GDP of the countries of Southeast Asia (SEA) varies from less than $5,000 to over $97,000. This paper aims to analyze the political factors behind such variation, such as wars, extreme politics, political instability, and kleptocratic governments and leaders, and how they affect the development experience within the region.Design/methodology/approachThis paper uses the comparative political economy analysis approach to make a comparison among SEA countries using knowledge from well-known political–economic history and development data from World Development Indicators provided by World Bank.FindingsA long period of political stability creates a favorable environment for investment that, in return, stimulates sustained economic growth in SEA. The countries have all grown rapidly, but their experience of development varies. The four countries that avoided political extremes (Singapore, Malaysia, Thailand and Brunei) have the highest per capita incomes today. Those that have had long periods of war and political instability, but which have also had substantial periods of stability (Indonesia, Vietnam and the Philippines), come next. Cambodia and Laos have suffered long periods of war and are the least developed. Myanmar’s military rulers, through civil wars and kleptocratic mismanagement of the economy, have prevented growth much of the time.Originality/valueMost studies of Southeast Asian growth have analyzed the experience of single countries and missed the central role played by extreme politics, including wars, to explain why some countries have much higher per capita incomes than others. This paper is expected to fill this gap.
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