日本经济学硕士毕业论文:两国厂商相互出口条件下R&D的经济效应研究 [4]
论文作者:www.51lunwen.org论文属性:硕士毕业论文 thesis登出时间:2016-05-23编辑:anne点击率:16471
论文字数:5000论文编号:org201605221516305300语种:中文 Chinese地区:日本价格:免费论文
关键词:出口条件R&D经济效应
摘要:本文将在前人的研究基础之上研究两国厂商相互出口条件下R&D的经济效应,从而促进国际技术进步,提高国际贸易。
=qjm+ejm
0≤xj≤1
0≤sj≤C(Qjm,Rjm)
TWj= Qjm2/2+[Pjm–C(Qjm,Rjm)] * qjm +[Pjm+sj- C(Qjm,Rjm)]* ejm+ xj* Rjm-sij * ejm- xj* Rjm= Qjm2/2+ [Pjm–C(Qjm,Rjm)] * Qjm = Qjm2/2+ [a4+b4* Qjm–C(Qjm,Rjm)] * Qjm
d TWi/d Qjm = Qjm+ a4+2b4* Qjm–C(Qjm,Rjm)- Qjm*d C(Qjm,Rjm)/ d Qjm=0
d TWi/d Rjm =- Qjm* d C(Qjm,Rjm)/ d Rjm=0
所以
Qjm+ a4+2b4* Qjm–C(Qjm,Rjm)- Qjm*d C(Qjm,Rjm)/ d Qjm=0
- Qjm* d C(Qjm,Rjm)/ d Rjm=0
对于厂商2:
Maxπjm=[Pjm–C(Qjm,Rjm)] * qjm +[Pjm+sj- C(Qjm,Rjm)]* ejm+ xj* Rjm
Pjm=P(Qjm)=a4+b4* Qjm, a4>0, b4<0
Qjm=qjm+ejm
qjm=dj*Qjn=dj*(a1*c2-2a2*b1-c2* cin+2b1*cjn)/(4b1* b2- c1* c2)
0≤xj≤1
0≤sj≤C(Qjm,Rjm)
πjm=[Pjm–C(Qjm,Rjm)] * qjm +[Pjm+sj- C(Qjm,Rjm)]* ejm+ xj* Rjm
=[Pjm–C(Qjm,Rjm)] * Qjm+sj*(Qjm-qjm)+ xj*Rjm
= [a4+b4* Qjm–C(Qjm,Rjm)] * Qjm+sj*(Qjm-qjm)+ xj*Rjm
dπjm /d Qjm = a4+2b4* Qjm–C(Qjm,Rjm)+ Qjm *d C(Qjm,Rjm)/ d Qjm+sj
dπjm /d Rjm =- Qjm* d C(Qjm,Rjm)/ d Rjm + xj
所以
a4+2b4* Qjm–C(Qjm,Rjm)+ Qjm *d C(Qjm,Rjm)/ d Qjm+sj
- Qjm* d C(Qjm,Rjm)/ d Rjm + xj
由此可以从上面两个方程中得出Qjm和Rjm ,确定厂商2的R&D和产量
而由于ej= Qjm-qjm,qjm=dj*Qjn=dj*(a1*c2-2a2*b1-c2* cin+2b1*cjn)/(4b1* b2- c1* c2),从而得出ej,确定厂商2的出口量。
3.3 动态博弈过程分析
3.4 R&D经济效应分析
4 结论及建议
参考文献
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