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| Registros recuperados: 19 | |
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| Kim, Kwansoo; Roh, Jae-Sun. |
| This paper examines the effectiveness of generic commodity promotion program based on checkoff funds by estimating the demand elasticities of advertisement. Focusing on a possible structural change in terms of advertisement strategies, we model econometrically the effects of generic advertising on milk demand in Korean milk. Econometric results show significant differences in the effects of advertising on milk demand depending on whether the market is mainly characterized by either brand or generic advertisement (the generic advertising regime versus the brand advertising regime). The demand elasticity of advertisement is estimated to be smaller in the brand advertising regime than the generic advertising regime. This suggests a positive impact of generic... |
| Tipo: Conference Paper or Presentation |
Palavras-chave: Marketing. |
| Ano: 2003 |
URL: http://purl.umn.edu/22155 |
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| Chavas, Jean-Paul; Kim, Kwansoo; Lauer, Joseph G.; Klemme, Richard M.; Bland, William L.. |
| This study investigates the recent evolution of corn yield, with a special focus on the tradeoff between corn profitability and risk. The analysis relies on time-series data from Wisconsin experimental farms at the edge of the Corn Belt. An econometric model of corn yield, corn grain moisture, and corn profitability is specified. Both conditional means and conditional variances are estimated for different sites in Wisconsin. The empirical analysis shows the changes in corn yield and profit over time and across space. The evidence suggests that yield trends are due mostly to technical progress, with smaller effects generated by climate change. On average, corn yield and profitability have improved faster in northern Wisconsin than in the Corn Belt.... |
| Tipo: Journal Article |
Palavras-chave: Crop Production/Industries. |
| Ano: 2001 |
URL: http://purl.umn.edu/31152 |
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| Kim, Hyun Seok; Kim, Kwansoo. |
| This paper estimates the willingness to pay (WTP) for non-genetically modified (GM) vegetable oil and tofu in Korea by using contingent valuation (CV) method and compares this WTP with Japan, Norway, Taiwan and the U.S. It also recovers the distribution of WTP by using a bootstrapping approach to provide a better measure of consumer's WTP on non-GM foods. Especially, we pay attention to the different characteristics of vegetable oil and tofu; vegetable oil made from GM soybeans doesn't have genetically altered protein, but tofu made from GM soybean has genetically altered protein. For this reason, vegetable oil made from GM soybeans is excluded from mandatory GM labeling system in Korea. Therefore, in this paper, the potential differences between WTP for... |
| Tipo: Conference Paper or Presentation |
Palavras-chave: Food Consumption/Nutrition/Food Safety. |
| Ano: 2004 |
URL: http://purl.umn.edu/19989 |
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| Kim, Kwansoo; Barham, Bradford L.; Chavas, Jean-Paul; Foltz, Jeremy D.. |
| This work investigates the presence and sources of economies of scope in R&D at U.S. research universities. The analysis evaluates the tradeoffs and synergies arising between traditional university research outputs (articles and doctorates) and academic patents. We propose a new measure of economies of scope based on a primal representation of the underlying technology. We derive a decomposition of economies of scope which identifies its sources (e.g., complementarity effects and scale effects). Non-parametric estimates of scope economies using R&D input and output data from 92 research universities show significant economies of scope between articles and patents, but modest complementarities. |
| Tipo: Working or Discussion Paper |
Palavras-chave: Research and Development/Tech Change/Emerging Technologies. |
| Ano: 2005 |
URL: http://purl.umn.edu/12674 |
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| Barham, Bradford L.; Foltz, Jeremy D.; Kim, Kwansoo. |
| This work exploits information on U.S. patents to identify trends in university ag-biotech patenting and citation performance. It sets forth some key issues concerning patterns of university ag-biotech patenting and then provides an empirical analysis on the evolving trends. Land Grant Universities account for most U.S. agbiotech patents. The data show a path dependent innovation pattern, in which there also seems to be a culture of patenting that develops at certain universities. Evidence shows that ag-biotech patents are more cited than the average university patent. Inequalities across Land Grant Universities are also evident in the production of agbiotech patents, although perhaps not to a much greater degree than underlying inequalities in funding and... |
| Tipo: Working or Discussion Paper |
Palavras-chave: Research and Development/Tech Change/Emerging Technologies. |
| Ano: 2001 |
URL: http://purl.umn.edu/25196 |
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| Kim, Kwansoo; Foltz, Jeremy D.; Barham, Bradford L.; Chavas, Jean-Paul. |
| This paper investigates the determinants of efficiency and technological progress at US research universities. It relies on a unique panel data set of multiple outputs and inputs from 92 universities covering the period 1981-1998. Over that time span, US universities experienced large increases in industry funding and in academic patenting activity. In this context, the directional distance function and a nonparametric representation of the underlying production technology are combined to obtain estimates of productivity growth and technical efficiency. A pooled-Tobit estimator is used to examine the determinants of technical efficiency and the rate of technological progress. The results show how changes in funding sources for U.S. research universities... |
| Tipo: Working or Discussion Paper |
Palavras-chave: Teaching/Communication/Extension/Profession. |
| Ano: 2005 |
URL: http://purl.umn.edu/12677 |
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| Kim, Kwansoo; Barham, Bradford L.; Chavas, Jean-Paul; Foltz, Jeremy D.. |
| This paper investigates the presence and sources of economies of scope in R&D production at U.S. research universities. The analysis evaluates the tradeoffs or synergies arising between traditional university research outputs (articles and doctorates) and a more recent and burgeoning output: academic patents. Using a shortage function, we propose a decomposition of economies of scope (decomposition which includes complementarity effects and scale effects). R&D input and output data from 92 public and private research universities are used to obtain non-parametric estimates of scope economies. The results show significant variations in economies of scope and sources by size and type of university. |
| Tipo: Conference Paper or Presentation |
Palavras-chave: Research and Development/Tech Change/Emerging Technologies. |
| Ano: 2005 |
URL: http://purl.umn.edu/19147 |
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| An, Donghwan; Kim, Kwansoo; Kwon, Oh Sang. |
| From the perspective of the food system, the overall food manufacturing or processing industry is fundamentally connected both with agricultural production in rural areas and consumption demand usually concentrated in urban areas. Using the local government level and individual firm level data for the food manufacturing industry in Korea, this paper investigated the agglomeration and spillover effects in this industry. This study found that there exist significant productivity differentials over space in food processing industry. This paper also found the evidences of agglomeration economies; the place where the size of population is large performs better. The results showed some evidences of spillover effects; negative externalities from congestions of... |
| Tipo: Conference Paper or Presentation |
Palavras-chave: Agribusiness. |
| Ano: 2004 |
URL: http://purl.umn.edu/20238 |
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| Kim, Kwansoo; Chavas, Jean-Paul. |
| This study presents an econometric analysis of the effects of a government price support program on price dynamics and price volatility. Price support programs, a common feature of agricultural policy, provide a lower-bound censoring of the distribution of market prices. An econometric model of market prices is developed using a dynamic Tobit specification under time-varying volatility. The model is applied to the U.S. non-fat dry milk market. It is used to investigate the impact of market liberalization on price dynamics and price volatility in the presence of private and public stocks. The econometric results show how the price support program and stocks (both private and public) affect expected price volatility. |
| Tipo: Journal Article |
Palavras-chave: Agricultural and Food Policy. |
| Ano: 2002 |
URL: http://purl.umn.edu/31133 |
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| Chavas, Jean-Paul; Kim, Kwansoo. |
| The paper investigates price dynamics under market liberalization, with a focus on the effects of lowering price floors. We analyze price dynamics by specifying and estimating a dynamic Tobit model under time-varying volatility, where the market price is censored by a government-set support price. The model is applied to the U.S. butter market over the last three decades. The econometric results show how the price support program affects both expected prices and the volatility of prices. It is found that the censoring effects of a price support program can be significant and large even if the price support is set relatively low. |
| Tipo: Conference Paper or Presentation |
Palavras-chave: Demand and Price Analysis. |
| Ano: 2001 |
URL: http://purl.umn.edu/20649 |
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| Barham, Bradford L.; Foltz, Jeremy D.; Kim, Kwansoo. |
| This work exploits information on U.S. patents to identify trends in university ag-biotech patenting and citation performance. It sets forth some key issues concerning patterns of university ag-biotech patenting and then provides an empirical analysis on the evolving trends. Land Grant Universities account for most U.S. ag-biotech patents. The data show a path dependent innovation pattern, in which there also seems to be a culture of patenting that develops at certain universities. Evidence shows that ag-biotech patents are more cited than the average university patent. Inequalities across Land Grant Universities are also evident in the production of ag-biotech patents, although perhaps not to a much greater degree than underlying inequalities in... |
| Tipo: Conference Paper or Presentation |
Palavras-chave: Research and Development/Tech Change/Emerging Technologies. |
| Ano: 2001 |
URL: http://purl.umn.edu/20724 |
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| Kim, Kwansoo; Chavas, Jean-Paul. |
| The paper investigates the linkages between technological change and production risk, with an application to corn. The effects of technology on risk exposure are characterized based on the properties of the risk premium. We define technological progress to be risk-increasing (risk-decreasing) if it increases (decreases) the relative risk premium. The analysis is applied to panel data from Wisconsin research stations. Conditional moments (including mean, variance and skewness) of corn yield, grain moisture and corn profit are estimated for different sites. We investigate how the trade-off between expected return and the risk premium varies over time and over space. The empirical results indicate that technological progress contributes to reducing the... |
| Tipo: Conference Paper or Presentation |
Palavras-chave: Crop Production/Industries; Research and Development/Tech Change/Emerging Technologies; Risk and Uncertainty. |
| Ano: 2001 |
URL: http://purl.umn.edu/20605 |
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| Registros recuperados: 19 | |
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