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發(fā)展戰(zhàn)略、知識(shí)吸收能力與經(jīng)濟(jì)收斂(留存版)

  

【正文】 越大,即,引進(jìn)技術(shù)。D來(lái)進(jìn)行創(chuàng)新,從而促進(jìn)技術(shù)進(jìn)步。 命題3表明,即使發(fā)展中國(guó)家在遵循比較優(yōu)勢(shì)的發(fā)展戰(zhàn)略時(shí),引進(jìn)技術(shù)的收益較低,也不能實(shí)現(xiàn)與發(fā)達(dá)國(guó)家的經(jīng)濟(jì)收斂,那么當(dāng)實(shí)施違背比較優(yōu)勢(shì)的發(fā)展戰(zhàn)略時(shí),無(wú)論初始稟賦的狀況如何,其肯定不能實(shí)現(xiàn)向發(fā)達(dá)國(guó)家的經(jīng)濟(jì)收斂,知識(shí)吸收能力越來(lái)越小,技術(shù)差距越來(lái)越大。因此,是否可以收斂于發(fā)達(dá)國(guó)家就取決于發(fā)展中國(guó)家的發(fā)展戰(zhàn)略。s Transition to a Market Economy”, Cato Journal, 1996, 16, pp. 201231.Lin, J. Y., F. Cai, and Z. Li, The China Miracle: Development Strategy and Economic Reform, Shanghai: People39。因此,發(fā)展中國(guó)家與發(fā)達(dá)國(guó)家的技術(shù)差距最終會(huì)越來(lái)越大,即。此時(shí),由式子(17)和式子(19)可知,發(fā)展中國(guó)家的經(jīng)濟(jì)增長(zhǎng)率越來(lái)越小,即。當(dāng)時(shí),如果,那么當(dāng)技術(shù)差距大于時(shí),由式子(17)和式子(21)可知,發(fā)展中國(guó)家均衡技術(shù)進(jìn)步率等于發(fā)達(dá)國(guó)家的技術(shù)進(jìn)步率,即。參考文獻(xiàn):Acemoglu, Daron, Philippe Aghion and Fabrizio Zilibotti,” Distance to Frontier, Selection and Economic Growth”, NBER Working Paper, No. 9006, 2002.Barro, Robert J., and Xavier SalaiMartin, “Technological Diffusion, Convergence and Growth”, Journal of Economic Growth, 1997, 1, pp. 126Basu, Susanto, and David N. Weil, “Appropriate Technology and Growth”, Quarterly Journal of Economics, 1998, 113, pp. 102554.Bloom D.,Canning , “Technological Diffusion, Conditional Convergence, and Economic Growth”, NBER Working Paper, No. 8713, 2002.Cohen, Wesley M. and Daniel A. Levinthal, “Innovation and Learning: The Two Faces of Ramp。 圖2:發(fā)展戰(zhàn)略與經(jīng)濟(jì)收斂然而基于命題4和圖2,我們也可以推斷出當(dāng)時(shí),如果一個(gè)發(fā)展中國(guó)家稍微違背了比較優(yōu)勢(shì),也就是每一期引進(jìn)的技術(shù)背離了最優(yōu)的技術(shù)水平,不過(guò)背離的程度很小,低于的水平,這個(gè)國(guó)家也有可能實(shí)現(xiàn)向發(fā)達(dá)國(guó)家的經(jīng)濟(jì)收斂。實(shí)施違背比較優(yōu)勢(shì)發(fā)展戰(zhàn)略的詳細(xì)原因不在本文的討論范圍之內(nèi),將另文研究。而在發(fā)展中國(guó)家實(shí)現(xiàn)收斂之后,由于市場(chǎng)容量很大,因此,其均衡技術(shù)進(jìn)步率會(huì)超過(guò)發(fā)達(dá)國(guó)家的技術(shù)進(jìn)步率。D來(lái)進(jìn)行技術(shù)創(chuàng)新。此時(shí),其目標(biāo)可以表示為:.因此,發(fā)展中國(guó)家最優(yōu)的技術(shù)引進(jìn)的先進(jìn)水平是: . 由式子(20)可知,當(dāng)時(shí),發(fā)展中國(guó)家當(dāng)時(shí)的技術(shù)與發(fā)達(dá)國(guó)家的前沿技術(shù)差距較大,此時(shí),如果遵循比較優(yōu)勢(shì)的發(fā)展戰(zhàn)略,那么發(fā)展中國(guó)家最優(yōu)的引進(jìn)技術(shù)的先進(jìn)水平為,從而使得技術(shù)進(jìn)步最快。 為了分析的方便,原有研究發(fā)展中國(guó)家技術(shù)追趕(Technological Catchup)的文獻(xiàn),例如Acemoglu, Aghion and Zilibotti(2002)都簡(jiǎn)單假設(shè)發(fā)達(dá)國(guó)家的技術(shù)進(jìn)步率等于外生的常數(shù)。如果發(fā)達(dá)國(guó)家市場(chǎng)利率為,那么最優(yōu)消費(fèi)路徑應(yīng)該滿足:. 式子(3)表明,、和決定了最優(yōu)的人均消費(fèi)增長(zhǎng)率。由于發(fā)展中國(guó)家當(dāng)時(shí)所用的是一些傳統(tǒng)的、水平很低的、相對(duì)簡(jiǎn)單、不太需要資本投入的技術(shù),與世界前沿的資本密集產(chǎn)業(yè)中的技術(shù),從復(fù)雜程度和特性上差距巨大,發(fā)展中國(guó)家對(duì)世界前沿技術(shù)不熟悉、不了解,學(xué)習(xí)掌握上相當(dāng)困難,而且,一個(gè)先進(jìn)技術(shù)的功能的發(fā)揮經(jīng)常還依賴其他基礎(chǔ)設(shè)施和技術(shù)設(shè)備的存在為前提 例如對(duì)電壓穩(wěn)定以及空氣潔凈度的要求??墒牵麄儧](méi)有注意到知識(shí)吸收能力和模仿成本是內(nèi)生決定于一個(gè)發(fā)展中國(guó)家的發(fā)展戰(zhàn)略,因而也就不能解釋為何有一些發(fā)展中國(guó)家和地區(qū)成功地利用了和發(fā)達(dá)國(guó)家的技術(shù)差距實(shí)現(xiàn)了經(jīng)濟(jì)收斂,而另外絕大多數(shù)發(fā)展中國(guó)家并未能利用和發(fā)達(dá)國(guó)家的技術(shù)差距加快經(jīng)濟(jì)發(fā)展,反而,技術(shù)差距和經(jīng)濟(jì)發(fā)展水平的差距越來(lái)越大?,F(xiàn)有的文獻(xiàn)認(rèn)為一個(gè)發(fā)展中國(guó)家的知識(shí)吸收能力的大小主要取決于發(fā)中國(guó)家與發(fā)達(dá)國(guó)家要素稟賦(人均資本)的差距,要素稟賦的差距越大,知識(shí)吸收能力越?。环粗?,知識(shí)吸收能力則大。關(guān)鍵詞:發(fā)展戰(zhàn)略;知識(shí)吸收能力;經(jīng)濟(jì)收斂Development Strategy, Absorptive Capability and Economic ConvergenceAbstract: The overall technological level determines the overall economic development in a country. The absorptive capability, which affects the technological diffusion from a developed country to a developing country, is endogenously determined by the government’s development strategy in the developing country. This paper shows that if the government of developing country adopts a parative advantagefollowing development strategy, the country’s absorptive capability is high. The developing country will be able to converge to the developed country, it’s level of per capita ine will be higher than the the level of the developed country. However, if the developing country adopts a parative advantagedefying development strategy, the country’s absorptive capability is low and declining, resulting in a widening of the gap of per capita ine between the developing country and the developed country. Therefore, the development strategy determines whether a developing country will be able to converge to the developed country or not.Key words: Development Strategy, Absorptive Capability, Economic ConvergenceJEL Classification: O100, O140, O200發(fā)展戰(zhàn)略、知識(shí)吸收能力與經(jīng)濟(jì)收斂一、前言
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