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排序方式: 共有426条查询结果,搜索用时 17 毫秒
51.
Rachel Nichols Satoshi Yamazaki Sarah Jennings 《The Australian journal of agricultural and resource economics》2021,65(1):119-142
Marine‐protected areas (MPAs) are an effective means of improving habitat quality and biodiversity in the world’s oceans. While the advantages of MPAs as a mechanism for conservation and biodiversity are well established, the potential improvements to fishery performance resulting from a network of MPAs are still being established. Countries around the world have committed to establishing networks of MPAs within their waters by 2020, in response to the United Nations Convention on Biological Diversity. This, coupled with the increasing global demand for seafood and heavy reliance on fishery resources as a source of economic development for many coastal communities, means that an understanding of how these networks can be expected to impact fishery performance is extremely important. We use a difference‐in‐difference modelling approach to isolate the change in the fishery performance associated with the south‐east marine reserve network in Australia. We find no evidence that the economic performance of adjacent fisheries was negatively impacted by the network. This lack of impact is likely due to a network design explicitly intended to avoid effort displacement in key fisheries, along with fishery management changes intended to remove excess fishing capacity. 相似文献
52.
This paper provides an overview of China's major economic reforms and how they impacted certain key domestic economic indicators
such as income, production, employment, and prices. More importantly, the paper concentrates on China's foreign trade focusing
on such issues as import and export policies, exchange rate controls, foreign investments, balance of payments, traded commodities,
and major trading partners. China's chance of becoming a member of the World Trade Organization is also addressed. 相似文献
53.
Rachel Griffith Stephen Redding John Van Reenen 《The Scandinavian journal of economics》2003,105(1):99-118
This paper presents a single unified framework that integrates the theoretical literature on Schumpeterian endogenous growth and major strands of the empirical literature on R&D, productivity growth and productivity convergence. Starting from a structural model of endogenous growth following Aghion and Howitt (1992, 1998) , we provide microeconomic foundations for the reduced‐form equations for total factor productivity (TFP) growth frequently estimated empirically using industry‐level data. R&D affects both innovation and the assimilation of others’ discoveries (“absorptive capacity”). Long‐run cross‐country differences in productivity emerge endogenously, and the analysis implies that many existing studies underestimate R&D's social rate of return by neglecting absorptive capacity. 相似文献
54.
Although methods such as contingent valuation have received a great deal of attention in environmental valuation literature, fewer studies have reported willingness-to-pay estimates with agribusiness applications. Because agribusinesses are increasingly interested in producing and selling differentiated goods and services whose values has not been established by well-functioning markets, we provide a short introduction to willingness-to-pay methodology and provide a discussion of several different methods used to estimate willingness-to-pay. More specifically, we discuss how much of the work in environmental and experimental valuation literature can be extended to agribusiness applications, which have their own set of unique issues. 相似文献
55.
Yueyun Chen Iskandar S. Hamwi Tim Hudson 《International Advances in Economic Research》2003,9(1):20-34
The Capital Asset Pricing Model has been used frequently to derive a fair price of insurance. But the use of this model overestimates insurance premiums because it does not account for the insolvency risk of insurers. This paper examines how the insurance price should be fairly adjusted when insurers' default risk is considered. It develops a model which shows that fair insurance premiums are lower when insurance firms have a positive probability of being insolvent. Using data of property liability insurers during the period from 1943–99, the paper further estimates the effects of the insolvency risk on insurers' underwriting profit rate. It shows that the incorporation of the default risk of insurers in the model, by significantly reducing the required price for insurance, would lead to lower profit potentials. Some writers argue that including the insolvency risk when calculating insurance premiums is not so necessary because of the existence of states' guaranty insurance funds which protect consumers. However, as shown in the paper, these funds have provided inadequate protection to consumers. Therefore, because of the increase in the number of insolvencies in recent years, and because of the limited coverage provided by states' guaranty funds, it seems that considering the insolvency risk in insurance pricing has become very necessary. 相似文献
56.
Rachel Bailey 《英国劳资关系杂志》1994,32(1):113-136
Abstract : Developments in public-sector industrial relations during 1993 have raised questions about unions, pay determination and conflict resolution. This review explores some of the tensions in these areas created by new restrictions on pay increases, changes in reward structures and further market-testing across services. Where the different forms of pay determination buy industrial peace, the price may be too high in terms of the productivity and efficiency requirements gains now being demanded. But co-operation is needed too, and the dilution of the Whitley system of collective bargaining may be more likely to produce the very co-operation embodied in its philosophy, but not always present in its practice. The new 'superunion' UNISON will play a role here, as single-table bargaining and even single-union deals develop. These institutional developments will also be affected by pay flexibility measures which endeavour to improve individual performance at the front line of services, while in practice increasingly giving the rewards to management. 相似文献
57.
This paper reports on the evolution of spatial planning approaches in Israel with emphasis on the relationship between planning and ideology. The major characteristics of planning studied are: (1) the role of planning; (2) the planning process and methodology; (3) the problems and goals of planning; (4) planning concepts at the national and regional level. The main findings of the research identify four major periods which represent phases in the process of paradigm change: the phase of Grand-Ideas, the phase of Action, the phase of Professionalization, and finally the phase of Ad-hocism. The development of these phases is related to geopolitical changes, socio-economic conditions, the social climate, and the planners' background. These phases are examined in the light of the theoretical framework proposed by Kuhn concerning the development of scientific paradigms. 相似文献
58.
Peters HA 《Benefits quarterly》2005,21(1):19-25
Spousal surcharge programs help employers whose goal is to provide "above-average" health benefit plans by limiting the potential "financial leakage" liabilities from covering the spouses of employees who are eligible for other health care coverage. Spousal surcharge programs are just one alternative available to help employers manage the rising cost of providing health care coverage to dependents. This article explores the prevalence, plan design, financial implications, administrative and other considerations in implementing a spousal surcharge program. 相似文献
59.
This article proposes an alternative specification for the second stage of the Case‐Shiller repeat‐sales method. This specification is based on serial correlation in the deviations from the mean one‐period returns on the underlying individual assets, whereas the original Case‐Shiller method assumes that the deviations from mean returns by the underlying individual assets are i.i.d. The methodology proposed in this article is easy to implement and provides more accurate estimates of the standard errors of returns under serial correlation. The repeat‐sales methodology is generally used to construct an index of prices or returns for unique, infrequently traded assets such as houses, art and musical instruments, which are likely to be prone to exhibit serial correlation in returns. We demonstrate our methodology on a data set of art prices and on a data set of real estate prices from the city of Amsterdam. 相似文献
60.
Nilsen P Hudson D Lindqvist K 《International journal of injury control and safety promotion》2006,13(1):7-13
Injuries pose an economic problem of immense proportion to communities in every society. The economic burden from injuries can be quantified through cost-of-injury studies, using techniques adopted from cost-of-illness research. This study explores the feasibility of applying results and methodologies from existing cost-of-injury studies in economic analyses of injury prevention interventions and programmes. The literature on cost-of-injury studies and economic appraisals of injury prevention efforts was examined to elicit studies that calculated injury costs. Studies were accepted for inclusion if they included an analysis of the costs of all injuries occurring in a geographical area (community, region or country) during a specific time period, employed a societal perspective and an incidence-based costing approach and were conducted in industrialized countries. There were 12 studies that met the inclusion criteria. The average total cost per injury case was USD $3536, while the average share of indirect to total cost per injury case was 71%. However, the cost figures showed wide variation across the studies. Based on the limited similarity of findings from the studies, it was concluded that it is not feasible to apply results and methodologies from existing cost-of-injury studies. The cost estimators described in this study could possibly be adapted for use as reference points in economic analyses of existing programmes, but any other uses should be approached with caution. Locally obtained data are needed for reliable economic analyses of injury prevention interventions and programmes. 相似文献