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We take as a starting point the existence of a joint distribution implied by different dynamic stochastic general equilibrium (DSGE) models, all of which are potentially misspecified. Our objective is to compare “true” joint distributions with ones generated by given DSGEs. This is accomplished via comparison of the empirical joint distributions (or confidence intervals) of historical and simulated time series. The tool draws on recent advances in the theory of the bootstrap, Kolmogorov type testing, and other work on the evaluation of DSGEs, aimed at comparing the second order properties of historical and simulated time series. We begin by fixing a given model as the “benchmark” model, against which all “alternative” models are to be compared. We then test whether at least one of the alternative models provides a more “accurate” approximation to the true cumulative distribution than does the benchmark model, where accuracy is measured in terms of distributional square error. Bootstrap critical values are discussed, and an illustrative example is given, in which it is shown that alternative versions of a standard DSGE model in which calibrated parameters are allowed to vary slightly perform equally well. On the other hand, there are stark differences between models when the shocks driving the models are assigned non-plausible variances and/or distributional assumptions. 相似文献
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Marina Brogi Valentina Lagasio Valerio Pesic 《Journal of International Financial Management & Accounting》2020,31(3):239-269
This paper investigates the determinants of a “successful” IPO from a corporate governance perspective upon a representative sample of European listings from 2000 to 2015. We use an extensive dataset of market performance, financial data, and corporate governance characteristics to run the investigation. Differently from previous studies, our analysis embraces both a short‐term perspective and a medium–long‐term perspective, where the board of directors seems to perform different tasks, moving from a value creation to a value protection strategy. Among the others, we find that board size, board independence, and their qualifications, together with their experience in other boards, are associated with a positive performance of the IPO in a short‐term horizon and in the medium–long‐term period, although significant differences emerge among those time perspectives. 相似文献
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Small Business Economics - Company survival after recessions depends on the entrepreneurial ability of decision makers to react to the crisis and learn how to make the best use of chances. The aim... 相似文献
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Maria Chiarvesio Valentina De Marchi Eleonora Di Maria 《Business Strategy and the Environment》2015,24(8):790-801
Based on original data on Italian firms specializing in medium‐ and low‐tech industries, we study the relationship between firms’ upstream and downstream internationalization and their propensity to introduce products or processes that reduce environmental impact. Preliminary evidence suggests that geography plays an important role in green firms’ activities and supply chains. More precisely, results suggest that firms that outsource to and rely on non‐local suppliers are less likely to engage in environmental innovations. Moreover, we verify that firms engaged in export activities play a similar and negative role, regardless of the export intensity and typology of foreign markets (i.e. developed versus emerging). Tapping global flows of knowledge by being a part of a multinational group positively spurs the development of green innovations, as for FDIs. Copyright © 2014 John Wiley & Sons, Ltd and ERP Environment 相似文献
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We examine the potentialities of a new indicator measuring the value of English patents in the period 1617–1841. The indicator is based on the relative visibility of each individual patent in the contemporary technical and legal literature as summarized in Bennet Woodcroft's Reference Index of Patents of Invention. We conclude that the indicator provides a reasonable proxy for the value of patents and that it can be usefully employed to shed light on the timing and scope of innovation during the Industrial Revolution. In particular, our indicator offers a suitable reconciliation between the patent records evidence and the Crafts–Harley view of the Industrial Revolution. 相似文献
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In recent years many cross-national comparative surveys, such as Gender and Generation Programme, International Social Survey Programme, European Quality of Life Survey, or General Social Survey, have included assessment of social support networks. Generally, two approaches were used; the name generator approach and the role relation approach. As more cross-country surveys are conducted every year, it may seem reasonable to use such data sets, since they provide high quality comparisons across countries. However, one should pay close attention to the measurement instruments, as these may cause unintentional but systematic variability in the observed data. While the data from each survey can be of high quality ??per se??, we claim that results from these surveys are not comparable, owing to their different measurement approaches and survey instruments. In this paper we present data from several experiments which show that scientific findings from these surveys depend significantly on questionnaire design. 相似文献
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Valentina Bosetti Carlo Carraro Massimo Tavoni 《Environmental and Resource Economics》2012,51(3):353-369
This paper analyzes the economic and investment implications of a series of climate mitigation scenarios, characterized by
different levels of ambition for long-term stabilization goals and transitional pathways. Results indicate that although milder
climate objectives can be achieved at moderate costs, stringent stabilization paths, compatible with the 2°C target, might
require significant economic resources. Innovation and technology are shown to be able to mitigate, but not structurally alter,
this trade-off. Technologies that allow capturing CO2 from the atmosphere are shown to be important for expanding the feasibility space of stringent climate policies, though only
if deployed at a scale which would represent a tremendous challenge. In general, the analysis indicates that the timing of
mitigation is an important factor of cost containment, with early action being desirable. It also elaborates on the set of
mitigation strategies and policies that would be required to achieve climate protection at maximum efficiency. 相似文献