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Quality Ladders in the Theory of Growth / Gene M. Grossman, Elhanan Helpman.
- Format:
- Book
- Author/Creator:
- Grossman, Gene M.
- Series:
- Working Paper Series (National Bureau of Economic Research) no. w3099.
- NBER working paper series no. w3099
- Language:
- English
- Physical Description:
- 1 online resource: illustrations (black and white);
- Place of Publication:
- Cambridge, Mass. National Bureau of Economic Research 1989.
- Summary:
- We develop a model of repeated product improvements in a continuum of sectors. Each product follows a stochastic progression up a quality ladder. Progress is not uniform across sectors, so an equilibrium distribution of qualities evolves over time. But the rate of aggregate growth is constant. The growth rate responds to profit incentives in the R&D sector. We explore the welfare properties of our model. Then we relate our approach to an alternative one that views product innovation as a process of generating an ever expanding range of horizontally differentiated products. Finally, we apply the model to issues of resource accumulation and international trade.
- Notes:
- Print version record
- September 1989.
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