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排序方式: 共有88条查询结果,搜索用时 15 毫秒
1.
Shashank Rao Allan Gulley Matthew Russell Justin Patton 《Journal of Business Logistics》2021,42(1):88-100
The ability to look into the supply chain has long enticed SCM scholars and practitioners. The possibilities created by such visibility are endless—from risk reduction and continuity planning to inventory management and cost reduction, nothing is off the table when end‐to‐end visibility is a possibility. Because of such enticements, there is usually much buzz in the industry every time a new technology that promises visibility and transparency is brought forward. Yet, years later, stories sometimes emerge that said technologies either failed to deliver or were not everything they were made out to be. Blockchain is yet another emerging technology in this space. Some consultants promise that it will be the final answer to the transparency and visibility woes that companies currently face. Yet, there is little empirical investigation regarding how the technology may benefit adopters, what the bottlenecks may be, and to what extent it may be able to deliver on these promises, without massive system‐wide upgrades of extant hardware and computing prowess. The current study takes a step in this direction by investigating a blockchain‐driven proof of concept across an industry consortium to identify promises, possibilities, and challenges of blockchain. 相似文献
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Carmen Hubbard John Davis Siyi Feng David Harvey Anne Liddon Andrew Moxey Mercy Ojo Myles Patton George Philippidis Charles Scott Shailesh Shrestha Michael Wallace 《EuroChoices》2018,17(2):19-26
There is little doubt that Brexit would have significant implications for UK agriculture, a sector with strong trade links to the EU and strong reliance on CAP income support. This article reports preliminary results from employing a Computable General Equilibrium Model, a Partial Equilibrium Model and Farm Level Models to explore selected trade and domestic policy scenarios post‐Brexit. These allow for the estimation of changes in producer prices, production and farm incomes against a baseline scenario of continued EU membership. Under a Free Trade Agreement with the EU, agricultural impacts are relatively modest. By contrast, unilateral removal of import tariffs has significant negative impacts on prices, production and incomes. Adoption of the EU's WTO tariff schedule for all imports favours net importers (e.g. dairy) and harms net exporters (e.g. sheep). Given the strong dependence of most UK farms on direct payments, their removal worsens negative impacts of new trade arrangements and offsets positive impacts. Impacts vary across different types and sizes of farm, but also regionally. However, the period of adjustment to new trade and domestic policy conditions may prove very challenging for a large number of farm businesses. 相似文献
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Many theories in finance imply monotonic patterns in expected returns and other financial variables. The liquidity preference hypothesis predicts higher expected returns for bonds with longer times to maturity; the Capital Asset Pricing Model (CAPM) implies higher expected returns for stocks with higher betas; and standard asset pricing models imply that the pricing kernel is declining in market returns. The full set of implications of monotonicity is generally not exploited in empirical work, however. This paper proposes new and simple ways to test for monotonicity in financial variables and compares the proposed tests with extant alternatives such as t-tests, Bonferroni bounds, and multivariate inequality tests through empirical applications and simulations. 相似文献
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AbstractConsumers do perceive risk in purchase decisions and seek to reduce both uncertainty and probability of loss. Risk also varies across persons and purchasing situations. Retailers promote product guarantees as risk reducers, but the quantitative evidence is lacking. They offer guarantees to help resolve outcomes from post-purchase problems mainly, product performance. We used an online survey to investigate the role of risk mitigation by money-back guarantees (MBGs) on a live product: plants. We obtained online responses from 504?US residents?≥?age 18 years who had made at least one live plant purchase in the six months prior to the study. As MBG length increased, perceived risk (PR) decreased. PR was higher for men than for women and declined as income increased. Subjects with a higher level of product involvement, expertise, delight, repurchase intentions, and regret had a higher level of PR. We conducted separate Chow tests for annual and perennial plants by price and MBG length and found several break points. As price increased from $5 to $10, a 30-d MBG reduced PR for annual plants while the reduction in PR was incrementally decreased for all guarantee lengths when annuals were priced over $20. With perennial plants, the MBG had an increasingly larger effect on reducing PR for each $10 increase in price. Overall, for each day increase in MBG length, we observed a 0.0337 decrease in PR, which meant that a 90-d MBG on a plant would reduce PR by 3%. This quantitative evidence of reduction in PR should encourage the use and communication of MBGs which have the potential to improve purchases, customer retention, and profitability. 相似文献
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W. Patton Culbertson 《World development》1989,17(12)
This paper develops a model of the black or parallel market foreign exchange rate. This rate is seen to depend upon the level of the official rate, the (unobserved) equilibrium rate, the premium offered for exchange sold through the black market, and government reserve-level policies. The model is then empirically estimated for 10 countries over a period from 1957 through 1983. The results generally support the model specified by theory. Additionally, the paper provides weak-form tests concerning the efficiency of the black market. The results cannot reject the hypothesis that the current black market rate incorporates all relevant historical price information. 相似文献
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Ana Norman‐Lόpez Sean Pascoe Olivier Thébaud Ingrid van Putten James Innes Sarah Jennings Alistair Hobday Bridget Green Eva Plaganyi 《The Australian journal of agricultural and resource economics》2014,58(1):43-59
Rock lobster fisheries are Australia's most valuable wild fisheries in terms of both value of production and value of exports. Different states harvest and export different lobster species, with most of the landings being sent to the Hong Kong market. A perception in the Australian lobster industry is that the different species are independent on the export market, such that a change in landings of one species has no impact on the price of the others. This study investigates the market integration of Australian exports to Hong Kong for the four species and different exporting states. Our results indicate all four species and producers/export states are perceived to be substitutes for one another, so that, in the long run, prices paid to operators in the industry will move together. The integrated nature of the Hong Kong export market for Australian lobster suggests that the potential impacts of alternative fisheries management and development strategies at state and species levels cannot be considered in isolation, at least from an economic perspective. In addition, impacts of external shocks affecting production in one state (e.g. climate change) can be expected to affect all Australian lobster fisheries. 相似文献