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101.
This paper proposes the use of Multiresolution Karhunen Loéve (MR-KL) analysis to analyse Galvanic Skin Response (GSR) Signals.
GSR signal, which is considered the golden standard in peripheral neuro-physiological and psycho-physiological studies, can
be represented by two functions representing either the large and small scale variabilities of the series. The large scale
variability, related to the tonic component, is modelled by smoothing splines while the small scale variability, related to
the phasic component, is modelled by a MR-KL expansion. The recognition of these two components in a real data set is mandatory
in neuro-psycho-physiology and we demonstrate the efficacy of the proposed methodology by analysing a pilot experiment on
a group of 13 subjects. 相似文献
102.
The Cambridge School of Keynesian Economics 总被引:1,自引:0,他引:1
There have been strong ties between the Cambridge Journal ofEconomics (CJE) and the Cambridge School of Keynesian Economics,from the very beginning. In this paper, the author investigatesthe environment that saw the birth of the CJE at Cambridge (UK),in 1977, and the relationship that linked it to the direct pupilsof Keynes. A critical question is explicitly examined: why didn'tthe Keynesian revolution succeed in becoming apermanent winning paradigm? Some behavioural mistakes of themembers of the Keynesian School may explain this lack of success,but only to a certain extent. In any case, there were and therestill are remedies too. But what we are inheriting is a uniqueset of analytical building blocks (the paper lists eight ofthem) that makes this School of economics a viable (and in somedirections definitely superior) alternative to mainstream economics.Admittedly, there is some important work still to be done. Thepaper highlights the need for a two-stage approach, addressingpure theory and extensive institutional analysis. It is arguedthat a combination of the two would strengthen the coherenceof the theoretical foundations, and at the same time would providea fruitful extension of economic analysis to empirical, institutionaland economic dynamics investigations. 相似文献
103.
We show that the effects of taxes on labor supply are shaped by interactions between adjustment costs for workers and hours constraints set by firms. We develop a model in which firms post job offers characterized by an hours requirement and workers pay search costs to find jobs. We present evidence supporting three predictions of this model by analyzing bunching at kinks using Danish tax records. First, larger kinks generate larger taxable income elasticities. Second, kinks that apply to a larger group of workers generate larger elasticities. Third, the distribution of job offers is tailored to match workers' aggregate tax preferences in equilibrium. Our results suggest that macro elasticities may be substantially larger than the estimates obtained using standard microeconometric methods. 相似文献
104.
Luigi Marattin 《Economic Modelling》2011,28(3):1219-1225
Average hourly productivity has often been used to draw conclusions on long run per capita GDP growth, based on the assumption of full utilization of labor resources. In this paper, we argue that a failure to recognize the potential significant wedges among the two variables - even in the long run - can be misleading. By applying both time series and panel cointegration techniques on data on 19 OECD countries, we fail to reject the hypothesis of the absence of a long run common stochastic trend among the two variables in the period 1980-2005. Furthermore, we apply a simple decomposition of GDP growth into five variables, including some related to the supply-side and demographics, so to verify the single contributions to income growth and variance over our period of interest. We conclude that variables that have been so far absent in the growth literature indeed have a non-negligible role in explaining the dynamics of long run per capita GDP growth. In particular, these “forgotten factors” (that we identify with the employment and the activity rates and a demographic ratio) matter more in better performing economies, where we also highlight that productivity has been less important in determining GDP growth than in relatively bad performers. 相似文献
105.
The management of interference has been, and still is, the main concern in spectrum policy. Historically, interference has been dealt with by heavy regulation under an administrative control regime. Over the last decades, a new approach has been put forward based on users' property rights, better able to cope with a rapidly changing technological environment. The issue of dealing with interference across bands, however, remains crucial: What obligations should be put on users so as to keep interference at a socially acceptable level? Also, given that some unwanted emissions are bound to occur, how can private parties be provided with the right incentives to invest in high-quality reception technology? This paper assesses how well different regulatory regimes can lead to efficient outcomes. It develops an economic model of spectrum interference and identifies the efficient solution. A regime where spectrum users have the power to enjoin intruding emissions beyond a predefined level (property rights protection) is compared with a regime where users are forced to bear with intruding emissions, but are entitled to economic compensation for the harm suffered (liability rules protection). The analysis suggests that different regimes may perform differently under different circumstances depending on the cause of interference and, critically, on whether the services are organised as an open- or a close-architecture system. This suggests that regulators should pay more attention to the specific features of the different bands, and that the appropriate spectrum management regime should be designed to recognise these differences. 相似文献
106.
This paper analyzes the interaction between corporate taxes and corporate governance. We show that the design of the corporate tax system affects the amount of private benefits extracted by company insiders and that the quality of the corporate governance system affects the sensitivity of tax revenues to tax changes. Analyses of a tax enforcement crackdown in Russia and cross-country data on tax changes support this two-way interaction between corporate governance and corporate taxation. 相似文献
107.
Luigi Bonatti 《Journal of Economics》2007,91(3):273-295
This paper shows that when players ignore what outcome will emerge because of the presence of multiple equilibria, they can
coordinate their expectations by forming an initial belief based on the principle of indifference followed by a process of
reasoning that updates this belief. Since this procedure describes a natural way to form beliefs under indeterminacy, it is
reasonable for every agent to conjecture that all the others form their beliefs according to the same logic. Exactly the fact
that agents are aware that they form their beliefs following the same procedure allows them to successfully coordinate their
expectations.
相似文献
108.
Luigi Toma 《Technological Forecasting and Social Change》1996,51(1):37-43
The commentary identifies 10 major generic turnaround strategies that firms commonly use. Then it addresses each of the strategies separately, as well as how these strategies are combined, under the specific Romanian and Russian circumstances, to formulate an appropriate recovery strategy. The commentary points out that in a severe cash crisis both Romanian and Russian managers should use, first and foremost, cash-generation strategies such as asset reduction and debt restructuring. These strategies must also be supported by very tight financial control procedures, which both Russian and Romanian managers are reluctant to follow. 相似文献
109.
GianCarlo Moschini Pier Luigi Rizzi 《American journal of agricultural economics》2007,89(4):1034-1045
This article deals with the specification of a locally flexible and theory-consistent system of mixed demand functions, a framework that allows for a rich set of possibilities about what is assumed as exogenous in a demand model. A coherent mixed demand system is derived by using the restricted expenditure function typically studied in the related area of rationed demands. The method is implemented by a new normalized quadratic (NQ) parameterization of the restricted expenditure function. The resulting NQ mixed demand system is illustrated with an application to a nine-good model of the Italian demand for vegetables. 相似文献
110.
The dynamic model presented in this paper intends to account for the evidence, which appears to be particularly significant for Italy, of the incidence of tax evasion in a certain region being negatively correlated with the level of social capital existing in that region. Besides including social capital among the determinants of tax evasion, we extend the model so as to incorporate a mechanism whereby the existing volume of opportunistic behavior—which is proxied by the level of tax evasion—has negative effects on the formation of new social capital, thus helping to explain how regional differences in the endowment of social capital and in the incidence of tax evasion co-evolve and why they tend to be highly persistent. The model seeks also to capture the fact that in a democracy the political determination necessary to effectively repress tax evasion depends on the voters’ propensity toward the phenomenon. Hence, one should expect that–in areas where a relatively large (small) number of citizens are tax cheaters—the consensus in favor of tough policies against tax evasion tends to be weak (strong) and short (long) lasting. Consistently with this intuition, the model shows that regions where social capital is relatively low and tax evasion is relatively high can do better in the long run (i.e., they can reach a steady state characterized by a higher level of social capital and a lower level of tax evasion) when tax-enforcement policies are determined at the national level rather than at the regional level. The opposite holds for regions where social capital is relatively high and tax evasion is relatively low. 相似文献