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101.
102.
Anni Huhtala 《Environmental and Resource Economics》2000,16(3):263-279
We investigate the effect of respondents' heterogeneous preferences regarding the good to be valued in binary-choice contingent valuationstudies. This is especially important when the valuation options give rise to both highly negative and highly positive attitudes.The survey design employs questionnaires which include separate items for willingness to favorandwillingness to contribute in monetary terms to the provision of the good. In light of our analysis, eliciting respondents' differentpreferences for the project first, without monetary considerations, wouldimprove the WTP estimates as welfare measures. Our results alsosuggest that nonparametric estimation could offer another solution foraccounting for preference heterogeneity. Nonparametric estimation is less sensitive to those `no' responses which are in fact not intended toreflect the respondents' WTP as such but merely to express their dislikefor the good at issue. 相似文献
103.
Pair-copulas modeling in finance 总被引:1,自引:0,他引:1
Beatriz Vaz de Melo Mendes Mariângela Mendes Semeraro Ricardo P. Câmara Leal 《Financial Markets and Portfolio Management》2010,24(2):193-213
This paper concerns itself with applications of pair-copulas in finance, and bridges the gap between theory and application.
We provide a broad view of the problem of modeling multivariate financial log-returns using pair-copulas, gathering together
for this purpose theoretical and computational results from the literature on canonical vines. From the practitioner’s viewpoint,
the paper shows the advantages of modeling through pair-copulas and makes clear that it is possible to implement this methodology
on a daily basis. All the necessary steps (model selection, estimation, validation, simulations, and applications) are discussed
at a level easily understood by all data analysts. 相似文献
104.
We examine the design of policies for promoting the consumption of green products under preference and income heterogeneity using organic food as an example. Two instruments are considered: a price subsidy for organic food products and a tax on conventional products. When the income differences and social benefits of organic farming are large, these factors dominate in shaping the policy preferences of the majority. In this case, the environmental policies preferred by the majority tend to be stricter than socially optimal policies. However, when income differences are small, policy preferences are more directly determined by tastes for organic products and the majority may prefer no intervention. 相似文献
105.
The paper addresses the question of who benefits from public recreation areas. Employing a set of survey data from users and nonusers of state-owned recreation and conservation areas in Finland, we derive two measures for distributional analysis. The first, the income elasticity of willingness to pay for recreation services, indicates that public provision of recreation benefits lower-income groups more than higher-income groups. The second, a welfare measure including efficiency loss, reveals ambiguous impacts depending on the level of the fee implemented. Low fee levels decrease recreation visits among lower-income users, whereas high fees reduce the welfare level of higher-income users in particular. 相似文献
106.
Indonesia's trade policy has evolved over the last 50 years. It has been influenced by the country's level of development and the conflict between openness and protectionism; external developments, such as commodity booms and busts and increased competition; and international commitments, whether multilateral or regional. As a result, trade policy has often been ambivalent and ineffective. Given that Indonesia has undergone various transformations and that the world is a different place from what it was in 1965, the country needs to take a more pragmatic and forward-looking stance. Trade policy needs to be part of a comprehensive strategy to improve competitiveness and diversify exports. If Indonesia is to be part of the new paradigm, where the production of goods and services is based on production networks and global value chains, its policy focus will need to shift from protecting and favouring sectors to promoting trade and industrial policies that encourage the flow of goods, services, and people. 相似文献
107.
Extensive field evidence shows individuals? decisions in settings involving uncertainty depend on their peers? decisions. One hypothesized cause of peer group effects is social interaction effects: an individual?s utility from an action is enhanced by others taking the same action. We employ a series of controlled laboratory experiments to study the causes of peer effects in choice under uncertainty. We find strong peer group effects in the laboratory. Our design allows us to rule out social learning, social norms, group affiliation, and complementarities as possible causes for the observed peer group effects, leaving social interaction effects as the likely cause. We use a combination of theory and empirical analysis to show that preferences including “social regret” are more consistent with the data than preferences including a taste for conformity. We observe spillover effects, as observing another?s choice of one risky gamble makes all risky gambles more likely to be chosen. 相似文献
108.
Maiju Kangas Taru Feldt Mari Huhtala Johanna Rantanen 《Journal of Business Ethics》2014,124(1):161-171
This study investigated the factorial validity of the 58-item Corporate Ethical Virtues scale (CEV; Kaptein, J Organ Behav 29(7):923–947, 2008). The major aim was to test the invariance of the factor structure across different organizational samples. The CEV scale was designed to measure eight corporate virtues: clarity, congruency of supervisors, congruency of senior management, feasibility, supportability, transparency, discussability, and sanctionability. The data (total N = 3,702) consisted of four organizational samples that are operated in the private and public sector. The results of confirmatory factor analyses supported the hypothesized eight-factor structure, as well as its alternative second-order factor structure, where high correlations between the first-order factors (virtues) were explained by a general CEV factor. These factor structures (including factor loadings) remained the same across samples, lending strong support for the group invariance assumption of the scale. Thus, the 58-item CEV scale was found to be a valid tool for measuring the aspect of ethical organizational culture in different organizations, and its use can be recommended for future research. 相似文献
109.
This paper uses a comparative study to explore entrepreneurial marketing orientation in small software technology firms, in relation to firm growth. Entrepreneurial Marketing (EM) acknowledges the interface between entrepreneurship, marketing and innovation and, pursuance of customer value. Researchers acknowledge that firms adopting other strategic orientations combined with a market orientation are more likely to outperform their competitors. Currently, there are few comparative studies of knowledge-intensive technology firms and no comparative cross-country studies, which consider firm growth and orientation from the EM perspective. This paper addresses these issues by using an entrepreneurial marketing orientation qualitative framework that consists of 15 dimensions, which allow investigation of entrepreneur and employee activities, attitudes and behaviors in such firms. Using a UK and US sample of firms, this research enables assessment of how and why entrepreneurial marketing orientation may lead to sustainable growth for firms in challenging markets and provides a comparison in two different country contexts. 相似文献
110.