This paper aims to analyze the U.S imports of frames between 2005 and 2009. Concentration indexes were used to characterize the behavior of the studied market. The indices chosen for this work were: concentration ratio of the four and the eight countries with the highest import, rate of market concentration of the same four and eight major countries, the Herfindahl-Hirschman and Gini Index. All the results indicate to a dominated market, highly concentrated, and with 94% of the market centered on four main exporting countries and 97% concentrated in the top eight. Also, it is possible to conclude that China is the main exporter of frames for the U.S. market, holding approximately 70% of total frames imports.
market concentration; international market; HAVP; molding
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