Abstract
The present chapter develops a product cycle model of North-South trade and integrates the Romer (1990) model and Helpman (1993) model. In this chapter, North innovates the variety of intermediate goods, and South imitates it. Final goods are not traded, while a variety of capital-intensive intermediate goods are traded. The effect of intellectual property rights on economic growth is studied. It is shown that a unique steady-state balanced growth equilibrium may exist, or there may be multiple steady-state equilibria, and tighter intellectual property rights may lead to both a higher and a lower steady-state balanced growth rate depending on the human capital endowment of both the countries.
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Notes
- 1.
- 2.
See Grossman and Helpman (1991b)
- 3.
- 4.
A detailed derivation is given in the Appendix.
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Acknowledgements
I am grateful to the participants of the DEGIT 2011 conference for their valuable comments.
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Appendix
Appendix
Profit of intermediate good firm of North is
Using Eq. (6.15), we have
where \({x^n}\) is given by Eq. (6.2).
From Eq. (6.23), we have
From Eq. (6.15) we know that \(p_n^n = p_s^n = {p^n}\). Hence, replacing \({p^n}\) by \(p_n^n\) given by Eq. (6.11) in Eq. (6.39), we have
Using Eqs. (6.40) and (6.41), we have
Using Eqs. (6.20) and (6.42), we have
Now, using Eqs. (6.13), (6.14) and (6.18), we have
and
Equating \(w_A^n\) and \(w_Y^n\) given by the Eq. (6.25) and using the expressions of \(\frac{{x_n^s}}{{x_n^n}}\) and \(\frac{{x_s^n}}{{x_n^n}},\) we have \(H_n^Y\) given by Eq. (6.26).
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Chakraborty, B. (2016). Trade in Intermediate Goods, Endogenous Growth and Intellectual Property Rights. In: Banerjee, S., Mukherjee, V., Haldar, S. (eds) Understanding Development. India Studies in Business and Economics. Springer, New Delhi. https://doi.org/10.1007/978-81-322-2455-6_6
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