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41.
Kei GomiAuthor Vitae Yuki OchiAuthor VitaeYuzuru MatsuokaAuthor Vitae 《Technological Forecasting and Social Change》2011,78(5):852-871
In order to realize a low-carbon society (LCS), it is necessary to formulate a comprehensive policy consisting of a large number of “options” (i.e., policies as well as technical and behavioral measures). Based on the concept of backcasting, this paper proposes a methodology and a model, called the backcasting model (BCM), that organizes a system of various LCS options and projects their detailed schedule toward a given target year. The methodology and model mainly focus on describing a complex system of LCS options and the consistency of their schedule. Other aspects such as the costs of LCS measures, stock dynamics of technologies, and effects of economic instruments are not explicitly considered. To permit quantitative treatment of various types of options, they are classified into several categories. The BCM calculates the schedule of the options under given quantitative information on the options and relationships between them. The methodology and model were applied to Kyoto City as an example. First, a quantitative snapshot of socioeconomic status and greenhouse gas (GHG) emissions was described. In the snapshot, a 45% reduction of GHG emissions compared with 1990 was achieved with moderate economic growth. The BCM was applied to about 130 options shown in an action plan of the Kyoto Municipal Government, and a schedule of the options was calculated. This methodology treats wide-ranging and complex low-carbon options in a quantitative and consistent manner and supports the policymaking process toward the realization of a low-carbon society. 相似文献
42.
This paper constructs a North–South quality-ladder model in which foreign direct investment (FDI) is determined by the endogenous location choice of firms, and examines analytically how strengthening patent protection in the South affects welfare in the South. Strengthening patent protection increases the South's welfare by enhancing innovation and FDI, but it also allows the firms with patents to charge higher prices for their goods, which decreases welfare. However, the model shows that the former positive welfare effect outweighs the latter negative effect. Moreover, introducing the strictest form of patent protection in the South, that is, harmonizing patent protection in the South with that in the North, may maximize welfare in the South as well as in the North. Further, a similar result can also be obtained in a nonscale effect model. 相似文献
43.
In this paper, we investigate how strengthening patent protection affects economic growth in an endogenous growth model where both innovation and capital accumulation are the driving forces of economic growth. In this model, stronger patent protection raises the profit flow obtained by innovation but reduces the factor demand for capital. This process accelerates innovation but discourages capital accumulation, and because of the negative effect on economic growth through reducing capital accumulation, strengthening patent protection may then impede economic growth. This result contrasts with earlier studies where innovation is the sole driving force for economic growth. Moreover, in an open economy model where technologies are transferred and capital is imported from abroad, the strictest protection of patents enhances technology adoption from abroad but impedes capital accumulation, and thus, the relation derived between patent protection and output can be nonmonotone. In terms of implications, these findings may be able to partly explain the complex relation found by some empirical studies in this area. 相似文献
44.
This paper explores optimal taxation of market purchases of an elderly care service, which can also be produced in the home. Home production cannot be taxed. If children discount parents' utility relative to their own utilities, an intergenerational externality arises in the family. When home production of the service is significant, the optimal tax rate on market purchases should be: (i) high , if the service and leisure are complements and the externality is strong, (ii) low , if they are substitutes , irrespective of the degree of the externality. 相似文献
45.
Koichi Tadenuma 《Journal of Economic Theory》2002,104(2):462-472
This paper formalizes two different principles to socially rank allocations under efficiency-equity trade off. The efficiency-first social preference relation ranks an allocation x higher than an allocation y if and only if (i) x is Pareto-superior to y or (ii) x and y are Pareto-noncomparable and x is equity-superior to y. The equity-first social preference relation reverses the order of application of the two criteria. We show that the efficiency-first relation may have a cycle, whereas the equity-first relation is transitive. We also characterize and compare the sets of maximal elements for these social preference relations in the Edgeworth box and examine the nonemptiness of the sets. Journal of Economic Literature Classification Numbers: D71, D63, D61. 相似文献
46.
Koichi Mera 《Review of urban and regional development studies : RURDS : journal of the Applied Regional Conference》1990,2(2):151-162
The strong performance of the Japanese economy, rising stock and land prices in Japan, as well as the strong yen, have prompted Japanese to travel abroad in ever increasing numbers in recent years. Despite several obstacles against growth, such as limited vacation time for employees of Japanese corporations, relatively expensive airline tickets, capacity limitations of international airports in Japan, booming resort development in Japan itself, and imposed constraints on Japanese direct investment abroad, Japanese travelers abroad, the majority of whom are tourists, increased from less than five million in 1985 to almost 10 million in 1989. The traditional demand function based on income and price may not explain all of the growth of Japanese overseas tourism, since some of the increase in Japanese travelers may stem from increases in expected future income based on increased wealth. This wealth effect hypothesis is tested using a log-linear regression model. It is found that wealth is a better predictor of overseas tourism levels than income. The effect of wealth increases on overseas tourism is also found to have a lag time of about one year. For this reason, it is proposed that the slowing in the Japanese economy this year will negatively impact Japanese overseas tourism next year. 相似文献
47.
This paper investigates the relationship between utilitarianism and horizontal equity in models of income taxation in particular and self-selection in general. An example involving well-behaved individual preferences is constructed in which a maximization of a utilitarian social welfare function leads via income taxation to horizontal inequities. Sufficient conditions for utilitarianism to bring horizontal equity are derived. The results are applied to the question of whether income tax credits are an appropriate way to treat differences in family size. 相似文献
48.
灾民生活重建支援对策的演进及存在的问题 总被引:2,自引:0,他引:2
本文以“灾民生活再建是灾后复兴的基础“为基本观点,就目前日本“灾民生活再建支援对策“的相关内容、意义、问题点等进行了探讨,并对如何推进未来“灾民生活再建支援对策“进行了展望。 相似文献
49.
50.
In recent years public health problems caused by indoor air pollution, known as ‘Sick Building Syndrome in housing’, or ‘Sick House Syndrome’ in Japan, have been drawing strong public concern. After conducting extensive exposure assessment, government authorities have taken effective measures to solve the problem. However, as a result of diversification and increase in quantities of industrial chemicals, existing regulations do not cover enough ranges of various potential hazardous chemicals. Hence, the regulations seek to be changed from hazard‐based regulation to a risk‐based one. Good indoor air quality (IAQ), which does not pose unacceptable health risks from all pollutants affecting indoor air, should be ensured for all public people. The objective of this study is to clarify the remaining issues to be solved urgently, related to the regulations to ensure a good IAQ. We reviewed enormous numbers of the existing governmental and industrial voluntary standards and/or guidelines, literature and documents concerning IAQ research in the past 40 years. Our results showed six subjects from those remaining issues. Based on these subjects we created a new scheme to control the IAQ; we especially regarded a comprehensive labeling system as one of the important strategies. 相似文献