Price- and Policy-Induced Innovations: The Case of U.S. Biofuel
Using patent counts and citation data from 1977 to 2011, we explore the determining factors of innovative activities of the U.S. biofuel industry. We take into account both demand-side factorsÑ such as crude-oil price, government R&D expenditure on biofuel, and federal-level support policiesÑand...
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doaj-fd4907491fbf4102b78db269593c1a592020-11-24T23:59:38ZengWestern Agricultural Economics AssociationJournal of Agricultural and Resource Economics1068-55022327-82852013-12-0138329931110.22004/ag.econ.165929165929Price- and Policy-Induced Innovations: The Case of U.S. BiofuelHeesun JangXiaodong DuUsing patent counts and citation data from 1977 to 2011, we explore the determining factors of innovative activities of the U.S. biofuel industry. We take into account both demand-side factorsÑ such as crude-oil price, government R&D expenditure on biofuel, and federal-level support policiesÑand supply-side factors, represented by constructed knowledge stocks, to quantify the effects on biofuel-related innovations. The citation generation process is quantified using patent citation records and the estimates are used to construct the simple and weighted stocks of knowledge with weights of patent productivity. We confirm that both the demand and supply factors have positive and statistically significant effects on technological biofuel innovations in the United States.https://ageconsearch.umn.edu/record/165929knowledge stockpatent count and citationr&d expenditures |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Heesun Jang Xiaodong Du |
spellingShingle |
Heesun Jang Xiaodong Du Price- and Policy-Induced Innovations: The Case of U.S. Biofuel Journal of Agricultural and Resource Economics knowledge stock patent count and citation r&d expenditures |
author_facet |
Heesun Jang Xiaodong Du |
author_sort |
Heesun Jang |
title |
Price- and Policy-Induced Innovations: The Case of U.S. Biofuel |
title_short |
Price- and Policy-Induced Innovations: The Case of U.S. Biofuel |
title_full |
Price- and Policy-Induced Innovations: The Case of U.S. Biofuel |
title_fullStr |
Price- and Policy-Induced Innovations: The Case of U.S. Biofuel |
title_full_unstemmed |
Price- and Policy-Induced Innovations: The Case of U.S. Biofuel |
title_sort |
price- and policy-induced innovations: the case of u.s. biofuel |
publisher |
Western Agricultural Economics Association |
series |
Journal of Agricultural and Resource Economics |
issn |
1068-5502 2327-8285 |
publishDate |
2013-12-01 |
description |
Using patent counts and citation data from 1977 to 2011, we explore the determining factors of innovative activities of the U.S. biofuel industry. We take into account both demand-side factorsÑ such as crude-oil price, government R&D expenditure on biofuel, and federal-level support policiesÑand supply-side factors, represented by constructed knowledge stocks, to quantify the effects on biofuel-related innovations. The citation generation process is quantified using patent citation records and the estimates are used to construct the simple and weighted stocks of knowledge with weights of patent productivity. We confirm that both the demand and supply factors have positive and statistically significant effects on technological biofuel innovations in the United States. |
topic |
knowledge stock patent count and citation r&d expenditures |
url |
https://ageconsearch.umn.edu/record/165929 |
work_keys_str_mv |
AT heesunjang priceandpolicyinducedinnovationsthecaseofusbiofuel AT xiaodongdu priceandpolicyinducedinnovationsthecaseofusbiofuel |
_version_ |
1725446974487920640 |