کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5099497 | 1377011 | 2011 | 15 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
The welfare cost of one-size-fits-all patent protection
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موضوعات مرتبط
مهندسی و علوم پایه
ریاضیات
کنترل و بهینه سازی
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چکیده انگلیسی
To analyze the welfare gain from allowing for differentiated patent protection across sectors, this study develops a two-sector quality-ladder growth model in which patent breadth is a policy variable and derives optimal patent breadth under two patent regimes. We show that (a) uniform optimal patent breadth is a weighted average of sector-specific optimal patent breadth and (b) sector-specific optimal patent breadth is larger in the sector that has a larger market size and more technological opportunities. To derive the optimal policy, we allow for an arbitrary path of patent breadth and derive the optimal path by solving a Stackelberg differential game. We find that the optimal path of patent breadth under each patent regime is stationary, time-consistent and subgame perfect. Finally, we perform a numerical investigation and find that even a moderate degree of asymmetry across sectors can generate a significant welfare cost of uniform patent protection.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Economic Dynamics and Control - Volume 35, Issue 6, June 2011, Pages 876-890
Journal: Journal of Economic Dynamics and Control - Volume 35, Issue 6, June 2011, Pages 876-890
نویسندگان
Angus C. Chu,