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41.
Differences in the way GM grains are treated in the US and the EU motivate the question of whether there is a single correct policy towards identification of such products. This issue is addressed here, based on a mathematical model that assumes that the cost of maintaining identity on non-GM markets is borne by the non-GM industry. The economic welfare impacts of introducing GM technology depend on the levels of consumer concern and production cost savings, and the cost of maintaining non-GM grain identity. The introduction of a new cost-reducing GM technology often increases total welfare as one might expect. However, society loses when GM production cost-savings are small and consumers are highly concerned about GM grain because introducing GM technology creates a need to preserve the identity of non-GM grain. Taken together, the results suggest that the US may have maximized welfare by not requiring labeling of GM corn and soybeans, and that the recently approved EU legislation enforcing labeling of GM crops also makes sense in the EU. The reason for this is that consumer concern in the EU appears to be greater than in the US, and fewer EU producers stand to benefit from cost savings in GM corn and soybean production.  相似文献   
42.
This paper surveys more than a dozen models of OPEC and world energy markets that have appeared since 1976. Included are simulation models, optimization models, and analyses of energy balances. Attention is focused on the outlook for OPEC prices and the demand for OPEC oil exports over the next fifteen years. Virtually all analyses agree that substantial changes from current market conditions are unlikely over the next few years. Beyond 1985, however, some project a severe tightening in world oil markets, while others project no such change from current conditions.  相似文献   
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Increased availability and demand for low-deductible crop insurance policies have increased focus on crop insurance rating methods. Actuarial fairness cannot be achieved if constant multiplicative factors are used to determine how premiums change as coverage levels increase. A comparison of premium rates generated by the factors used by the two most popular crop insurance products with those generated by a standard yield distribution shows that the popular insurance products overcharge for low-deductible policies in most counties. This overpricing may explain why large premium subsidies were required to induce farmers to move from low-deductible to high-deductible policies beginning in 2001.  相似文献   
45.
Large-scale employee share ownership plans (ESOPs) have been a distinctive characteristic of Irish public enterprise reform, with shareholdings of 14.9% being allocated to employees as part of firm restructuring and privatisation programmes. This paper presents a case study analysis of a large-scale ESOP in Eircom, Ireland's former national telecommunications operator. We identify changes in labour productivity (LP) during 8 years before and after the establishment of the company's ESOP and use a framework based on Pierce, Rubenfeld and Morgan (1991, The Academy of Management Review, 16, 121–144) and Pierce, Kostova and Dirks (2001, Academy of Management Review, 26, 298–310) to explore the role played by the ESOP. The ESOP was found to play a key role in enabling firm-level reform through concession bargaining and changes in employee relations, and thereby indirectly affecting LP. However, despite the substantial shareholding and influence of the ESOP, we find that it has failed to create a sense of psychological ownership among employees, and thereby further impact on productivity.  相似文献   
46.
This paper analyzes the imperfect price-reversibility (‘hysteresis’) of oil demand in the US and Japan. We test econometrically oil demand data, disaggregated into transportation oil and non-transportation oil uses.The oil demand reductions following the oil price increases of the 1970's will not be completely reversed by the price cuts of the 1980's. The responce to price cuts in the 1980's is perhaps only one-fifth that for price increases in the 1970's. This has dramatic implications for projections of oil demand, especially under low-price assumptions.We also consider the demand effects of a price recovery in the 1990's, especially whether the effects would be as large as for the price increases of the 1970's or only as large as the smaller demand reversals of the 1980's. On this the results are inconclusive.  相似文献   
47.
Concerns about the risk of food supply contamination have limited the development and commercialization of certain pharmaceutical plants. This article develops an insurance pricing model that helps translate these concerns into a cost-benefit analysis. The model first estimates the physical dispersal of maize pollen subject to a number of weather parameters. This distribution is then validated with the limited amount of currently available field trial data. The physical distribution is then used to calculate the premium for a fair-valued insurance policy that would fund the destruction of possibly contaminated fields. The flexible framework can be readily adapted to other crops, management practices, and regions.  相似文献   
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Abstract

This paper examines Foreign Direct Investment in the presence of labour unions. An oligopoly model is developed in which identical firms locate in a host country in order to export to a foreign country. These firms are unionized and compete with foreign firms on the foreign market. We consider the incentives for social dumping via restrictive labour legislation, which we assume can be used by the host country government to affect the bargaining power of unions. We ask whether it is in the interest of the importing foreign country for the host country to relax or to tighten labour laws.  相似文献   
50.
This study utilizes a paired difference approach to investigate for the existence of scale economies in UK credit unions. The analysis is conducted for both credit unions in aggregate as well as a number of sub-groups with the latter defined in terms of the trade organization to which credit unions are affiliated. This decomposition was viewed as particularly important in that the respective umbrella organizations have different growth strategies. The analysis revealed that significant efficiency gains are available through credit unions adopting a policy of asset growth. This finding held good irrespective of the umbrella organization to which credit unions belong although the analysis also revealed that the opportunity for efficiency gains was not so pronounced for the members of one of the trade organizations - the National Federation of Credit Unions. This finding was due to the NFCU's much more overt emphasis on self-help and community development, particularly in areas of economic disadvantage.  相似文献   
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