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11.
Outsourcing has become an increasingly contentious subject ever since N. Gregory Mankiw remarked in 2004 that outsourcing is just another way of doing international trade, and must be beneficial to the nation, including the workers. We construct a simple two-sector specific-factor model and explore the validity of Mankiw's remarks. We find his ideas are valid when the country does not produce any outsourced factor's work at home in that both the laborers and the nation benefit. But when some outsourced factor cum intermediate good is also produced at home, the nation still benefits but the workers may suffer. 相似文献
12.
In a setup where a divisible good is to be allocated to a set of bidders with budget constraints, we introduce a mechanism in the spirit of the Vickrey auction. In the mechanism we propose, understating budgets or values is weakly dominated. Since the revenue is increasing in budgets and values, all kinds of equilibrium deviations from true valuations turn out to be beneficial to the auctioneer. We also show that ex-post Nash equilibrium of our mechanism is near Pareto optimal in the sense that all full winners? values are above all full losers? values. 相似文献
13.
The authors have developed an efficient visualization system to gain insight into large collections of mineral elasticity data produced by an increasing number of both theoretical calculations and experiments. The system allows us to visualize multivariate elastic moduli (i.e., elastic constant tensors) and their variation with composition, pressure and temperature. Moreover, it supports visualization of elastic wave propagation in an anisotropic medium by rendering the wave velocity data, which are calculated as a function of propagation direction in a three-dimensional space. This paper describes the design, implementation and application of the visualization scheme we have developed for mineral elasticity. In particular, our scheme exploits a combination of parallel coordinates, star plot, scatter plot and polygon-surface rendering techniques, which are implemented using OpenGL, GLUI and C++. The result is a highly portable and flexible interactive visualization system. For illustration, the elastic properties of several important oxide and silicate minerals are successfully visualized as a function of pressure and temperature. 相似文献
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15.
This paper investigates second-best allocations where the government lacks full information about consumer types, and how such allocations may be implemented through notch schemes. Thus, we provide another rationale for notches in addition to that investigated by Blinder and Rosen (1985). We use a model of Blackorby and Donaldson (1988), extending their results to more general preferences and to more general tax-subsidy instruments (piecewise linear, rather than linear). We argue that observed policies are sometimes of this nature: In-kind subsidies that are available only if consumption equals or exceeds a particular amount have been used in practice, in housing, and medical care. 相似文献
16.
The domain and theories of marketing have been expanding since the origins of the discipline. Since the 1970s marketing science
has been organized around the exchange paradigm. Marketing concepts apply to all forms of exchange, whether it is goods, services,
personages, places or ideas, and whether it is between individuals, for-profit and nonprofit firms, governments and NGOs.
Marketing theories evolved from a firm oriented view to encompass the exchanging dyad. More recently the paradigm expanded
to a network level of explanation, and relational theories have come to the fore. But even as the field struggles to grasp
its new fields of explanation, there is a Kuhnian shift happening at its boundaries. The shift significantly bends the marketing
worldview as well as the theoretical tools and methodologies we use to study it. In this paper we develop a three-tiered explanation
of the emerging field of marketing—its subphenomena (consumer experiences and sensory systems), its phenomena (marketing networks),
and its superphenomena (sustainability and development). 相似文献
17.
There is a glaring paradox in all commonly used measures of poverty. The death of a poor person, because of poverty, reduces poverty according to these measures. This surely violates our basic intuitions of how poverty measures should behave. It cannot be right in concept that differentially higher mortality among the poor serves to reduce poverty. This article begins the task of developing poverty measures that are not perversely mortality sensitive. A family of measures is proposed that is an intuitive modification of standard poverty measures to take into account the fact that the rich live longer than the poor. 相似文献
18.
Ravi Kathuria Maheshkumar P. Joshi 《The International Entrepreneurship and Management Journal》2007,3(2):127-144
This paper focuses on the likelihood of firms adopting corporate entrepreneurship in response to the challenges and opportunities
presented by a change in their business environment shaped by the growth of the Internet. We further examined if firms are
willing to modify their existing systems in response to such a change. We also investigated the paths or modes of entrepreneurship
that firms would adopt when they perceive being entrepreneurial to be a viable response in light of a specific change in their
business environment. Finally, we identified the impediments that firms may need to overcome when adopting corporate entrepreneurship.
Results based on the data from senior executives lend support to our hypotheses. Managerial implications of the results are
discussed. 相似文献
19.
A number of futures markets use price limits which, in effect, preclude trade from occurring at prices outside certain exogenous bounds. Noting that such markets are characterized by heterogeneously informed traders, whereas previous work on price limits assumes symmetrically informed traders, we examine the effects of price limits in a setting where market participants are asymmetrically informed. We find that imposing price limits generally lowers the quality of information acquired in equilibrium, but lowers bid–ask spreads as well. Thus, depending on the relative weights placed by society on liquidity versus price efficiency, there may exist a set of price limits that are most efficient in achieving a trade-off between liquidity and informational efficiency. We perform empirical tests of some implications of the model using cross-sectional data on price limits. We find that price limits are strongly negatively related to both price volatility and trading volume. Though other explanations for our empirical findings cannot be ruled out, these results are not inconsistent with the model's implication that price limits should be tighter for contracts which offer greater profit potential for informed traders. 相似文献
20.