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111.
Using results from the theory of non‐linear dynamical systems, it has been shown that optimal growth theory can provide new explanations for business cycles and for international differences in growth and development. The present survey concentrates on this aspect of optimal growth theory, that is on the possibility of fluctuations and non‐uniqueness in models of optimal capital accumulation. It is a selective survey on non‐linear dynamics in infinite time horizon models of optimal growth. 相似文献
112.
Paolo Mattana Kazuo Nishimura Tadashi Shigoka 《International Journal of Economic Theory》2009,5(1):25-47
This paper considers an endogenous growth model that belongs to the same family as the Lucas model. In the Lucas model an external effect appears in the physical-goods sector, whereas in our model, it appears in the educational sector. In our model, this external effect yields multiple balanced growth paths. Our model undergoes a homoclinic bifurcation and exhibits global indeterminacy of equilibrium. 相似文献
113.
Kazuo NishimuraAlain Venditti 《Journal of Economic Theory》2002,105(1):140-157
We consider a two-sector economy with positive intersectoral external effects and nonincreasing social returns. We show that if the discount factor ρ is close to 1 then local indeterminacy may be obtained with mild market imperfections. Moreover, with additional conditions, when ρ is made smaller the steady state becomes totally unstable and quasi-periodic cycles, along which equilibrium paths are indeterminate, may appear through a Hopf bifurcation. This will be proved even if the investment good is capital intensive at the private level while this condition guarantees local determinacy in the sector specific case. Journal of Economic Literature Classification Numbers: C62, E32, O41. 相似文献
114.
Kazuo Nishimura 《The Japanese Economic Review》2001,52(1):1-19
Building on recent work on equilibrium growth models with externality, I re-examine earlier results from multi-sector growth models in the continuous-time framework, and study the structural relationship between technology and local dynamics. It is shown that it is very easy to construct large classes of economies that exhibit Hopf bifurcations or indeterminacy with constant returns to scale in multi-sector frameworks.
JEL Classification Numbers: C41, E32, O41. 相似文献
JEL Classification Numbers: C41, E32, O41. 相似文献
115.
This paper studies the behavior of Japanese stock prices, especially that of the price earnings ratio (PER) and the price dividend ratio (PDR) in the 1980s. It finds that movements in fundamentals such as the interest rate and the growth rate together with the widespread practice of cross share holdings between corporations fail to explain the behavior of PER and PDR in the 1980s. The sharp increases in the Japanese PER and PDR in the 1980s are due to one of the following three causes: bubbles, declines in risk premium, and expectations of land price inflation. The paper argues that the latter two may have been important features of the Japanese economy in the 1980s. 相似文献
116.
Determinants of Underwriting Fees by New Entrant Banks: Evidence from the Japanese IPO Underwriting Market 下载免费PDF全文
This research investigates how banks expand market share after entering the underwriting market by examining the relation between commercial bank equity investments and underwriting fees. First, we find that not only bank underwriters with private information about issuers but also those without private information discount their fees, especially for smaller and riskier firms. This result is robust when using multiple firm‐bank relationship measures or when changing the investing stage. This is consistent with the strategic discount view that predicts that bank underwriters discount fees to expand bank market shares in underwriting markets. 相似文献
117.
小南瓜是北方半干旱区增加经济产值的适生作物之一。研究选用日本赤甘栗品种,采用田间小区试验,研究了在两种灌溉方式(灌溉、灌溉施肥)和四个牛粪氮添加水平(25、50、75、100 kg N/hm~2)处理下氮肥不同配施方式对小南瓜产量的影响。结果表明,在小南瓜生长前期,滴灌施肥方式可有效促进叶绿素的积累及叶片的复壮,有利于植株生长。单施有机肥组,随着牛粪氮添加水平的增加小南瓜产量未见明显增加,平均产量为10 t/hm~2;有机肥结合灌溉施肥组,随着牛粪氮添加水平的增加小南瓜产量显著增加,最高达到21.5 t/hm~2。当总氮添加量为100~140 kg/hm~2,有机无机肥配比为3:7~5:5时,小南瓜产量比单施牛粪肥增产60%,平均达到16 t/hm~2。 相似文献
118.
‘Soft Science’ is defined by the Science and Technology Agency of the Japanese Government as a new methodology to forecast, plan. control and evaluate. This paper describes the activities of the Soft Science Group (SSG) which has been established in the Mitsubishi Electric Corporation. SSG presently consists of 13 members and has issued in excess of 300 reports in 5 years. Its basic activities are concerned with setting new research themes, information exchange meetings, and work on specific projects involving also engineers seconded from operating divisions. The paper summarizes these activities and presents a case example of planning a new product which has already been developed and commercialized. 相似文献