共查询到20条相似文献,搜索用时 15 毫秒
1.
2.
3.
The paper investigates whether the changing pattern of meat and fish purchases, which has occurred in Britain since the 1960s, is due to changes in the structure of consumer preferences or is attributable to conventional economic factors (changes in relative prices and total expenditure). The analysis is based on two non-parametric tests, derived from revealed preference theory. These do not require the explicit specification and estimation of a demand system. The hypothesis that the data are consistent with stable preferences is accepted; in principle, all variations in consumption can be fully explained by price and expenditure changes. However, some caution is counselled. As with all hypothesis testing, acceptance is less conclusive than rejection; some structural changes in preferences may have gone undetected. 相似文献
4.
5.
6.
7.
8.
This paper provides new evidence on income and price elasticities of demand and supply of agricultural exports from developing countries, on the basis of (a) a consistent and fully specified supply and demand model, and (b) statistical estimation procedures not frequently used in the estimation of agricultural export functions. Estimates of price and income elasticities of demand for aggregate agricultural exports for all developing countries taken together — as distinct from individual exporting countries — are found to be low; moreover, export price as distinguished from non-price factors plays a relatively insignificant role in increasing export supply. Hence, an attempt by all developing countries to expand traditional agricultural exports with low price elasticity of demand may not yield rising earnings for all; but in fact may result in falling export revenues. Insofar as individual exports of all developing countries (not individual countries) are concerned, income and price elasticities of demand for such tropical commodities as tea, coffee, cocoa and bananas are also found to be low, except for new, non-traditional exports like pineapples. This indicates the importance of diversification of agricultural exports as a vehicle for their future growth. 相似文献
9.
Professor J. S. Marsh 《Journal of Agricultural Economics》1985,36(3):325-343
This paper describes briefly arrangements for marketing potatoes in Great Britain. It discusses the ways in which the Potato Marketing Board has sought to influence the market and argues that in current circumstances it cannot insulate British growers from the effects of trade within the European Community. It may now be appropriate to look towards modified forms of operation in order to help the industry to compete. 相似文献
10.
A comparison is made of a number of income averaging procedures on the basis of selected performance criteria. The main conclusion which emerges is that the Australian income averaging procedure, currently applied to primary producers, has a number of defects. Several of the alternative income averaging procedures reviewed are judged to be superior to the current Australian system. 相似文献
11.
The objectives of this paper are two-fold. The first is to discuss the basic economics of an aggregate industry income stabilization policy for primary producers. The second is to examine post-World War II income instability in Australian wool, wheat, and beef and to apportion it into its price and output components. This analysis provides a basis for discussing income stabilization in the Australian context. 相似文献
12.
13.
K. Oustapassidis 《Journal of Agricultural Economics》1988,39(2):231-242
The theory of the behaviour of the co-operative firm has greatly advanced in recent years though this has not been accompanied by a major resurgence of empirical study. This paper is aimed at a basic investigation of some of the structural features of the British cooperative movement over the period 1975-82. Using various concentration measures familiar in industrial economics it draws a sharp contrast between the requisite and marketing sides. It then focuses on economies of scale using Stigler's survivor technique concluding that there is little evidence of their existence in either sector. Diversification of activity is also considered, where again a contrast is evident. The paper concludes with a note on the policy relevance of the analysis. 相似文献
14.
15.
16.
Julian M. Alston James A. Chalfant 《The Australian journal of agricultural and resource economics》1987,31(1):1-15
Most studies of the demand for meat in Australia have used some measure of total income or expenditure, but two recent studies have assumed weak separability of a meat group and used expenditure on the meat group instead. These specification differences are of interest to the extent that they affect the economic interpretation, goodness-of-fit, elasticity estimates, predictive performance or hypothesis tests in empirical demand equations. In this paper, non-nested hypothesis testing procedures are used to test the alternative specifications of the income variable and the hypothesis of separability. The results favour the use of the expenditure variable implied by separability but are mixed concerning whether separability holds. 相似文献
17.
18.
本文概述了英国渔业经济概况,分析了英国渔业管理体制与职能及其对英国渔业发展的作用,并在国际比较分析的基础上指出了广东省渔业存在的六大问题,提出了该省渔业的可持续发展的若干措施. 相似文献
19.
20.
Cross-sectional data are used to estimate a three-equation generalised addilog demand system (GADS); two equations are used to express the demand for milk by method of sale and a residual equation is used to close the system. It is shown that, as the average budget share of the residual equation approaches unity, the GADS equations for the incomplete system are approximately equivalent to double logarithmic equations. It is found that aggregate milk demand is relatively insensitive to both price and income, but the degree of substitution between delivered and non-delivered milk is both large and highly significant. A new test for influential data in the system context is developed and it suggests that the reported results are robust to variations in the sample space. 相似文献