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31.
Pesticide prices can influence producer decisions to apply pesticides as opposed to nonchemical means of pest control. Those prices are are turn influenced by price and exchange rate policies. The effective rate of protection for nine pesticides commonly applied to vegetables in the Philippines was calculated to determine whether government policies are creating incentives or disincentives to adopt more integrated pest management methods. Calculations found that direct price policies, primarily through an import tariff, tax pesticide use while an overvalued exchange rate subsidizes pesticide use. The net effect is a 6 to 8% pesticide subsidy. This subsidy results in economic surplus gains to vegetable producers and consumers when negative externalities associated with pesticide use are not accounted for. However, recent analysis of human health effects of pesticide use on rice in the Philippines demonstrates that these externalities can be substantial. 相似文献
32.
With increasing awareness of environmental issues, there has been rising demand for environmental-friendly business practices.
Prior research has shown that the implementation of environmental management practices is influenced by existing and potential
stakeholder groups in the form of external pressures from legislators, environmental groups, financial institutions and suppliers,
as well as internally by employees and owner/manager attitudes and knowledge. However, it has been reported that despite business
owner/managers having strong “green” attitudes, the level of implementation of environmental-friendly practices is low. In
order to explore the connection between pressures for improved practices and the management actions taken, this article examines
how influence from various stakeholders is related to awareness of environmental issues, and how this awareness relates to
actions taken within the businesses to reduce the environmental impact of their operations. The results indicate that legislation
does result in general environmental awareness, and that organizations are then willing to␣change their business processes
and environmental strategies. However, despite their actions they have little awareness of the benefits that might arise from
cost reductions from their environmental-friendly practices. Those influenced by their suppliers act to reduce waste, but
do not put into place formal environmental management systems, or use environmental messages to market their goods or services.
Nevertheless, it can be argued that they have a real commitment to environmental issues, as evidenced by a willingness to
voluntarily contribute to environmental organizations. 相似文献
33.
We investigate optimal portfolio choice for an investor who is skeptical about the degree to which excess returns are predictable. Skepticism is modeled as an informative prior over the R2 of the predictive regression. We find that the evidence is sufficient to convince even an investor with a highly skeptical prior to vary his portfolio on the basis of the dividend-price ratio and the yield spread. The resulting weights are less volatile and deliver superior out-of-sample performance as compared to the weights implied by an entirely model-based or data-based view. 相似文献
34.
35.
Bogin Alexander N. Shui Jessica 《The Journal of Real Estate Finance and Economics》2020,60(1-2):40-52
The Journal of Real Estate Finance and Economics - Accurate and unbiased property value estimates are essential to credit risk management. Along with loan amount, they determine a mortgage’s... 相似文献
36.
Some projects have such diverse requirements that they need a variety of specialists to work on them. But often the best-qualified specialists are scattered around the globe, perhaps at several companies. Remarkably, an extensive benchmarking study reveals, it isn't necessary to bring team members together to get their best work. In fact, they can be even more productive if they stay separated and do all their collaborating virtually. The scores of successful virtual teams the authors examined didn't have many of the psychological and practical obstacles that plagued their more traditional, face-to-face counterparts. Team members felt freer to contribute--especially outside their established areas of expertise. The fact that such groups could not assemble easily actually made their projects go faster, as people did not wait for meetings to make decisions, and individuals, in the comfort of their own offices, had full access to their files and the complementary knowledge of their local colleagues. Reaping those advantages, though, demanded shrewd management of a virtual team's work processes and social dynamics. Rather than depend on videoconferencing or e-mail, which could be unwieldy or exclusionary, successful virtual teams made extensive use of sophisticated online team rooms, where everyone could easily see the state of the work in progress, talk about the work in ongoing threaded discussions, and be reminded of decisions, rationales, and commitments. Differences were most effectively hashed out in tele-conferences, which team leaders also used to foster group identity and solidarity. When carefully managed in this way, the clash of perspectives led not to acrimony but, rather, to fundamental solutions, turning distance and diversity into competitive advantage. 相似文献
37.
Habit utility has been the focus of a large and growing body of literature in financial economics. This study investigates ways of accurately and efficiently solving the Campbell and Cochrane [1999. Journal of Political Economy 107, 205–251] external habit model. Solutions for this model based on a grid of values for the state variable are shown to converge as the grid becomes increasingly fine. Convergence is substantially faster if the price–dividend ratio is computed as a series of “zero-coupon equity” claims rather than as the fixed point of the Euler equation. Fitting the model to the term structure as well as to equity moments (as in [Wachter, J.A., 2005. A consumption-based model of the term structure of interest rates. Journal of Financial Economics, in press]) also results in faster convergence. 相似文献
38.
Should Investors Avoid All Actively Managed Mutual Funds? A Study in Bayesian Performance Evaluation 总被引:2,自引:0,他引:2
This paper analyzes mutual-fund performance from an investor's perspective. We study the portfolio-choice problem for a mean-variance investor choosing among a risk-free asset, index funds, and actively managed mutual funds. To solve this problem, we employ a Bayesian method of performance evaluation; a key innovation in our approach is the development of a flexible set of prior beliefs about managerial skill. We then apply our methodology to a sample of 1,437 mutual funds. We find that some extremely skeptical prior beliefs nevertheless lead to economically significant allocations to active managers. 相似文献
39.
40.
There are a range of solutions that address asset building challenges for low-wealth women. Here we highlight some solutions that focus on basic needs (child care, child support) and creating economic stability with disposable income (income available after basic needs are met); solutions that address predatory lending and the housing crisis; and solutions that focus on joint ownership of assets and community-based asset building. 相似文献