Measuring a Country's Product Ladder and Technology Level based on Trade Flow

Jong-il Kim () and Sung-ah Lee ()
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Jong-il Kim: Dongguk University
Sung-ah Lee: Dongguk University

East Asian Economic Review, 2006, vol. 10, issue 1, 59-95

Abstract: This study tries to quantify the technology level of products based on the concept of product ladder. While many studies on country technology competitiveness use the aggregate indices such as total factor productivity and revealed comparative advantage, this study estimates the ranking of about 2000 products in product ladder by using SITC 5 digit level export data. Based on the product ladder, this study measures the country and industry ranking and explores the characteristics of the ranking. It provides the international comparison of inter-industry and intra-industry ranking differences in product ladder. The statistical relationships between the ranking in product ladder and the determinants of technology level such as R&D and physical capital investment and wage, confirms that the measured ranking in product ladder could be regarded as an indirect indicator of technology level. The product ladder is applied to the estimation of production function to see the effect of the product differentiation on labor productivity.

Keywords: Product Ladder; Technology Level; Trade Flow (search for similar items in EconPapers)
JEL-codes: F18 O24 O47 (search for similar items in EconPapers)
Date: 2006
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Persistent link: https://EconPapers.repec.org/RePEc:ris:eaerev:0168

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