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manufactures. The Davis definition was based on the Standard Industrial Classification (SIC) of the US Department of Commerce and as such as this definition could not be applied to international data as it is classified according to the Standard International Trade Classification (SITC). Hatter (1985) has overe this problem by mapping out a concordance between the SIC and SITC. This concordance was constructed on the basis of SITC revision 1. World Bank (1999) have applied this definition to the UN Comtrade dataset and has arrived at a series of high technology exports at the aggregate level for over seventy developed and developing countries during the period 19621997. Nevertheless there are two major limitations with the definition (DavisHatter) and the dataset (World Bank). First the definitions being applied to a rather aggregate classification such as the SITC is likely to overestimate the extent of high technology exports by any country. Second, one cannot apply retrospectively a definition based on estimates of embodied Ramp。D spent directly to produce the final product. Total Ramp。D of the industry supplying the tyres. Davis used inputoutput techniques to determine how much of the value of Ramp。D means an aircraft gets credit for the Ramp。 1 本科畢業(yè)論文外文翻譯 外文題目: Exports of High Technology Products from Developing Countries: Is it Real or a Statistical Artifact 出 處: 2021 UNU/INTECH, Discussion Papers 作 者: Sunil Mani 原 文: Exports of High Technology Products from Developing Countries: Is it Real or a Statistical Artifact Sunil Mani (May 2021) ABSTRACT This paper first develops a consistent timeseries data on the exports of high technology products from essentially the developing countries. An analysis of the data shows that developing countries are increasingly being exporters of manufactured products as against primary products in the past. Second the world trade is increasingly being a trade in hightech products. What is more striking is the significant increase of the technology content of exports by developing countries: very nearly a quarter of the exports from developing countries is now in high tech products. Third, the share of developing countries in high tech exports have shown dramatic increases: it has increased from about 8 per cent in 1988 to about 23 per cent by 1997. But there is considerable concentration of it in a few countries. The paper then seeks to explain whether these developing countries are real exporters of high tech products or not. This is acplished by a careful examination of the degree of product specialisation by both developed and developing countries, by examining their record with respect to patenting and finally by analysing certain indicators of high tech petitiveness. The paper concludes by presenting a case study of a leading high tech exporter from the developing world. of High Technology Economists have been attempting to measure the technology content of world trade. This is acplished in terms of the technology embodied in products that are exported from a country. Admittedly it is a difficult exercise and no method is foolproof and perfect. The greatest difficulty is in classifying products according to the technology content embodied in it. Several attempts in this direction have been made in the past. In the following I undertake a quick review of the methodologies. This is essential, as I will attempt to show that depending on the definition of high technology that is employed, it is possible to get significantly different results. The first systematic effort in this direction was by Davis (1982). He defined high technology manufactures 2 as those manufactured