Many researchers and economists have argued that competitiveness studies conducted by WEF and IMD, show limitations in small-economies, even more when they have different characteristics. The objective of this research is to study the competitiveness of three small-economies: Puerto Rico, Costa Rica and Singapore. The double-diamond model of competitiveness is useful when performing this task. With data obtain from international organizations. The findings suggest that Singapore shows a higher level of global competitiveness compared to Puerto Rico and Costa Rica. We conclude that Puerto Rico and Costa Rica have similar levels of competitiveness, because internationally Puerto Rico leads to Costa Rica on 3 determinants: factor conditions, demand conditions and related industries. On the other hand, Costa Rica is locally more competitive than Puerto Rico in 3 domestic factors: factor conditions, demand conditions and firm's strategy.
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