- 1、本文档共49页,可阅读全部内容。
- 2、有哪些信誉好的足球投注网站(book118)网站文档一经付费(服务费),不意味着购买了该文档的版权,仅供个人/单位学习、研究之用,不得用于商业用途,未经授权,严禁复制、发行、汇编、翻译或者网络传播等,侵权必究。
- 3、本站所有内容均由合作方或网友上传,本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺!文档内容仅供研究参考,付费前请自行鉴别。如您付费,意味着您自己接受本站规则且自行承担风险,本站不退款、不进行额外附加服务;查看《如何避免下载的几个坑》。如果您已付费下载过本站文档,您可以点击 这里二次下载。
- 4、如文档侵犯商业秘密、侵犯著作权、侵犯人身权等,请点击“版权申诉”(推荐),也可以打举报电话:400-050-0827(电话支持时间:9:00-18:30)。
查看更多
Chapter 3New Growth Theory 暨南大学经济学院 周泳宏 tzhouyhjnu@jnu.edu.cn introduction Remember: BGP in Solow model introduction The models we have seen so far do not provide satisfying answers to the questions about economic growth Capital accumulation cannot account for a large part of either long-run growth or cross-country income differences The only determinant of income is a mystery variable, the effectiveness of labor, A, whose meaning is not specified and whose behavior is taken as exogenous This chapter therefore investigates the fundamental questions of growth theory more deeply The accumulation of knowledge Interpreting the effectiveness of labor as knowledge Consider human as well as physical capital Differences in output for given amounts of physical and human capital Investigate the variations in institutions New Growth Theory ( Endogenous Growth Theory ) AK Model A elimination of decreasing marginal output of capital RD Model We need to model the allocation of existing resources between the production of goods and new knowledge which is produced by a research sector . Learning-by-doing The improvement in knowledge is a side effect of the standard production process and hence does not involve a specific R D sector. Human capital Model Physical capital is not the only form of productive capital. The skills and knowledge of the labor force is also a type of capital. extension The combination of endogenous saving and the models introduced above. Pat A Research and Development Models 3.1 Framework and Assumptions Overview We have seen that the effectiveness of labor represents knowledge or technology We introduce an explicit research and development (RD) sector Model the production of new technologies Model the allocation of resources between conventional goods production and RD Specifics Two sectors Goods-producing sector RD sector Think about θ θ0 Past discoveries may provide ideas and tools that make future discoveries easier θ0 Past discoveries make futur
文档评论(0)