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111.
A survey of the fresh-cut produce industry (e.g., bagged salads, baby carrots, stir-fry mixes, cut-fruit mixes) shows firms' motivation to adopt quality management systems and the effects of implementation on firms and their relationships with suppliers and customers. Data from surveyed members of the International Fresh-cut Produce Association suggest that system adoption was very widespread. The effects were intra-firm (e.g., improved management and efficiency of quality systems) and inter-firm (e.g., improved identification and facilitation of trade with firms in the supply chain). Satisfaction with adoption of quality management systems was linked to many of the same factors. 相似文献
112.
113.
Imran Hussain Shah Ahmad Hassan Ahmad 《Review of Quantitative Finance and Accounting》2017,48(4):1063-1082
This paper investigates whether there are benefits in terms of higher economic stability from incorporating stock prices into the price index targeted by the central banks. It also looks into the question of whether central banks should use stock prices as a component of the output stability index and how the index can be constructed. An optimization technique is employed to estimate weights for the various sectoral prices. The obtained weights, which depend on sectoral parameters, differ from those used in the construction of the consumer price index, CPI. Using data from the UK and the US, our analysis demonstrates that in comparison to the CPI, our measure of inflation leads to a higher output stability. Thus, in an inflation-targeting monetary policy environment, it is important to adopt a broader inflation benchmark than the CPI for the general macroeconomic stability. 相似文献
114.
The purpose of this article is to investigate the empirical link between foreign direct investment (FDI) in real estate sector (FDIRE) and international tourism (TOUR). Panel co-integration and panel Granger causality techniques are applied to analyse both long- and short-run relationships for the case study of selected OECD countries. Our empirical results show the existence of the long-run and a bi-directional causal relationship between FDIRE and TOUR. The results provide some implications for policy-makers. 相似文献
115.
The paper studies the long-run relation and short-run dynamics between real oil prices and real exchange rates in a sample of 13 oil-exporting countries. The purpose of the study is to examine the possibility of Dutch disease in these countries. Tests of cointegration using threshold and momentum-threshold autoregressive (TAR and M-TAR) models suggest the possibility of the disease in 3-out-of 13 countries??Bolivia, Mexico and Norway. For these countries, we also find that (a) oil prices have a long-run effect on the exchange rates; and (b) exchange rates adjust faster to positive deviations from the equilibrium; and (c) there is no evidence of short-run causality between real exchange rates and real oil prices in either direction. Over all, these findings suggest a weak link between oil prices and real exchange rates and thus limited evidence in favor of the Dutch disease. 相似文献
116.
In this paper, we present an approach allowing the prediction of ideas number during a brainstorming session. This prediction is based on two dynamic models of brainstorming, the non-cognitive and the cognitive models proposed by Brown and Paulus (Small Group Res 27(1):91–114, 1996). These models describe for each participant, the evolution of ideas number over time, and are formalized by differential equations. Through solution functions of these models, we propose to calculate the number of ideas of each participant on any time intervals and thus in the future (called prediction). To be able to compute solution functions, it is necessary to determine the parameters of these models. In our approach, we use optimization model for model parameters calculation in which solution functions are approximated by numerical methods. We developed two generic optimization models, one based on Euler’s and the other on the fourth order Runge–Kutta’s numerical methods for the solving of differential equations, and we apply them to the non-cognitive and respectively to the cognitive models. Through some feasibility tests, we show the adequacy of the proposed approach to our prediction context. 相似文献
117.
A Ricardian Analysis of the Distribution of Climate Change Impacts on Agriculture across Agro-Ecological Zones in Africa 总被引:3,自引:2,他引:1
S. Niggol Seo Robert Mendelsohn Ariel Dinar Rashid Hassan Pradeep Kurukulasuriya 《Environmental and Resource Economics》2009,43(3):313-332
This paper examines the distribution of climate change impacts across the sixteen Agro-Ecological Zones (AEZs) of Africa.
We combine net revenue from livestock and crops and regress total net revenue on a set of climate, soil, and socio-economic
variables with and without country fixed effects. Although African crop net revenue is very sensitive to climate change, combined
livestock and crop net revenue is more climate resilient. With the hot and dry CCC climate scenario, average damage estimates
reach 27% by 2100, but with the mild and wet PCM scenario, African farmers will benefit. The analysis of AEZs implies that
the effects of climate change will be quite different across Africa. For example, currently productive areas such as dry/moist
savannah are more vulnerable to climate change while currently less productive agricultural zones such as humid forest or
sub-humid AEZs become more productive in the future.
S. Niggol Seo is the Consultant to the World Bank. 相似文献
118.
119.
Hassan Benchekroun 《Journal of Economic Dynamics and Control》2011,35(4):479-490
We show that the imposition of a Markovian tax on emissions, that is, a tax rate which depends on the pollution stock, can induce stable cartelization in an oligopolistic polluting industry. This does not hold for a uniform tax. Thus, accounting for the feedback effect that exists within a dynamic framework, where pollution is allowed to accumulate into a stock over time, changes the result obtained within a static framework. Moreover, the cartel formation can diminish the welfare gain from environmental regulation such that welfare under environmental regulation and collusion of firms lies below that under a laissez-faire policy. 相似文献
120.