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| Registros recuperados: 15 | |
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| Zhao, Xueyan. |
| Although an illegal commodity, Australian marijuana market is estimated to be in the size of as large as $5 billion annually. Understanding the consumer behaviour of illicit drug consumption is essential in drug policy debate. Using micro unit data from the most recent National Drug Strategy Household Surveys, ordered Probit model is estimated to study the effects of some social, economic and demographic factors on the frequency of an individual’s marijuana consumption. A sequential model is also estimated that examines separately the decisions of whether to participate in regular consumption and how often to consume the drug. Results indicate that some factors may have opposite effects on the two decisions. |
| Tipo: Conference Paper or Presentation |
Palavras-chave: Illicit drugs; Marijuana demand; Probit model; Demand and Price Analysis. |
| Ano: 2003 |
URL: http://purl.umn.edu/58276 |
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| Zhao, Xueyan; Anderson, Kym; Wittwer, Glyn. |
| The present paper estimates the distributions of aggregate returns from different types of research and promotion investments by the Australian grape and wine industry among grapegrowers, winemakers, domestic and foreign consumers, and the tax office. The results show that most of the gains from cost-reducing R&D in grape and wine production go to producers and that producers get a far larger share of the benefit from export promotion than that from domestic promotion. Foreign consumers of Australian wine also enjoy a significant share of the benefits from Australian R&D. Sensitivity analysis shows that the key results hold for a wide range of parameter values. |
| Tipo: Journal Article |
Palavras-chave: Marketing; Research and Development/Tech Change/Emerging Technologies. |
| Ano: 2003 |
URL: http://purl.umn.edu/116187 |
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| Ramful, Preety; Zhao, Xueyan. |
| This paper examines Australians participation in beer, wine and spirits consumption using a trivariate probit model and unit-record data from the National Drug Strategy Household Surveys. It estimates the effects of social, economic and demographic factors on an individuals decisions of alcohol participation. The trivariate probit formulation allows for the potential correlation across the demand for the three products through unobserved personal characteristics. All three beverages are shown to have negative own-price elasticities and to be substitutes in participation. An alarming proportion of young Australians are found to be drinking spirits regularly due to the increasing popularity of pre-mixed sweet drinks. |
| Tipo: Conference Paper or Presentation |
Palavras-chave: Food Consumption/Nutrition/Food Safety. |
| Ano: 2006 |
URL: http://purl.umn.edu/25359 |
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| Zhao, Xueyan; Griffiths, William E.; Griffith, Garry R.; Mullen, John D.. |
| Mullen, Alston and Wohlgenant (1989) (MAW) examined the distribution of the benefits of technical change in the Australian wool industry. Their conclusions are revisited by examining the probability distributions of changes in the welfare measures, given uncertainty about their model parameters. Subjective probability distributions are specified for the parameters and correlations among some of the parameters are imposed. Hierarchical distributions are also used to model diverse views about the specification of the subjective distributions. A sensitivity elasticity is defined through the estimation of a response surface to measure the sensitivity of the estimated research benefits to individual parameters. MAW’s conclusions are found to be robust under the... |
| Tipo: Journal Article |
Palavras-chave: Livestock Production/Industries. |
| Ano: 2000 |
URL: http://purl.umn.edu/117789 |
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| Zhao, Xueyan; Griffith, Garry R.; Mullen, John D.. |
| A multi-sectoral and multi-market model of the Australian beef industry is specified using an equilibrium displacement modelling framework. The model is implemented using average price and quantity data for the period 1991-1997 and market parameter values taken from the literature, derived from theoretical restrictions or from the authors’ subjective judgement. Total returns and the distributions among various industry groups from alternate R&D and promotion investments, which result in 1% shifts in the relevant supply or demand curves, are examined. In this paper, the implications for farmers from various on-farm R&D investments (genetic research and nutrition research in backgrounding cattle for grain-finishing and in grass-finishing) and... |
| Tipo: Presentation |
Palavras-chave: Agribusiness; Research and Development/Tech Change/Emerging Technologies. |
| Ano: 2000 |
URL: http://purl.umn.edu/123749 |
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| Nguyen, Duong T.M.; McLaren, Keith Robert; Zhao, Xueyan. |
| Existing econometric models for Australian broadacre agricultural production are few and have become dated. This paper estimates a multi-product restricted cost function using a unique quasi-micro farm level dataset from the Australian Agricultural and Grazing Industries Survey. Both the transcendental logarithmic and normalized quadratic functional forms are employed. Heteroskedasticity caused by the particular nature of the quasi-micro data is also assessed and accommodated. Allen partial elasticities of input substitution and own-and cross-price input demand elasticities are computed. The estimated demands for most production factors are inelastic to prices. Hired labour is responsive to own price and cropping input prices. |
| Tipo: Conference Paper or Presentation |
Palavras-chave: Production Economics; Research Methods/ Statistical Methods. |
| Ano: 2008 |
URL: http://purl.umn.edu/6009 |
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| Zhao, Xueyan; Mullen, John D.; Griffith, Garry R.; Griffiths, William E.; Piggott, Roley R.. |
| Around $100 million has been spent annually on R&D and promotion in the Australian red meat industries in recent years. The R&D investments are made throughout the production, processing and marketing chain in both the grass and grain finished sectors. Promotion investments are made in both export and domestic markets. Despite this large investment of industry and government funds there is great uncertainty about the returns from these investments. Not only is it unclear what the total industry returns are but it is even less clear how producers and the community benefit from the many alternative investment options. Hence, it is unclear how funds should be allocated between these alternatives. Zhao (1999) addressed these issues in research for... |
| Tipo: Report |
Palavras-chave: Industrial Organization; Research and Development/Tech Change/Emerging Technologies. |
| Ano: 2000 |
URL: http://purl.umn.edu/28007 |
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| Zhao, Xueyan; Ambarawati, I Gusti Agung Ayu; Piggott, Roley R.; Griffith, Garry R.. |
| Beef production in Bali is dominated by small-holders, like the majority of Indonesian agriculture. A number of different policies have been implemented to enhance development of this and other parts of the Bali beef industry. Knowledge about the returns from these options for the development of the cattle and beef industry, and their distribution among producers, consumers and others, would better inform policy decision making. This paper examines the benefits from cattle development in a multi stage production representation of the Bali beef industry using equilibrium displacement modelling (EDM). For a 1 per cent exogenous shift in the relevant market, improved productivity of Bali cattle production has the largest total benefits (Rp 3.02 billion,... |
| Tipo: Working or Discussion Paper |
Palavras-chave: Equilibrium displacement model; Research evaluation; Bali; Cattle and beef industry; Economic analysis; Livestock Production/Industries. |
| Ano: 2004 |
URL: http://purl.umn.edu/12920 |
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| Registros recuperados: 15 | |
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