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1.
PITFALLS IN CROSS‐SECTION STUDIES WITH INTEGRATED REGRESSORS: A SURVEY AND NEW DEVELOPMENTS
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In cross‐section studies, if the dependent variable is I(0) but the regressor is I(1), the true slope must be zero in the resulting “unbalanced regression.” A spuriously significant relationship may be found in large cross‐sections, however, if the integrated regressor is related to a stationary variable that enters the DGP but is omitted from the regression. The solution is to search for the related stationary variable, in some cases the first difference of the integrated regressor, in other cases, a categorical variable that can take on limited number of values which depend on the integrated variable. We present an extensive survey, new developments, and applications particularly in finance. 相似文献
2.
Decisions in Economics and Finance - We derive sufficient conditions for non-emptiness of the efficient sets for stochastic dominance relations, usually employed in economics and finance. We do so... 相似文献
3.
Strategic foresight, in the sense of ‘understanding the future’ [R.A. Slaughter. Futures studies as an intellectual and applied discipline. American Behavioral Scientist 42(3) (1998) 372-385; A.N. Whitehead. Modes of Thought. Free Press, New York, 1966], can play a significant role in the long term success, or failure, of business corporations. However, in understanding the development and management of strategic foresight within business enterprises, instances where lack of foresight was exhibited, can be equally instructive, especially when these business organizations are some of the world’s largest multinational corporations and they are faced with a situation they had met before: new market entry.By drawing on 42 in depth interviews, conducted by one of the authors with executives from Multinational Enterprises (MNEs) currently operating in China, this paper identifies the causes and consequences in the lack of foresight exhibited by many MNEs in their China-market entry strategies. In this way the foresight failure is distilled into two factors: Failure of understanding, and Failure of anticipation. 相似文献
4.
Salim Lahmiri Stelios Bekiros Anastasia Giakoumelou Frank Bezzina 《International Journal of Intelligent Systems in Accounting, Finance & Management》2020,27(1):3-9
Financial data classification plays an important role in investment and banking industry with the purpose to control default risk, improve cash and select the best customers. Ensemble learning and classification systems are becoming gradually more applied to classify financial data where outputs from different classification systems are combined. The objective of this research is to assess the relative performance of existing state‐of‐the‐art ensemble learning and classification systems with applications to corporate bankruptcy prediction and credit scoring. The considered ensemble systems include AdaBoost, LogitBoost, RUSBoost, subspace, and bagging ensemble system. The experimental results from three datasets: one is composed of quantitative attributes, one encompasses qualitative data, and another one combines both quantitative and qualitative attributes. By using ten‐fold cross‐validation method, the experimental results show that AdaBoost is effective in terms of low classification error, limited complexity, and short time processing of the data. In addition, the experimental results show that ensemble classification systems outperform existing models that were recently validated on the same databases. Therefore, ensemble classification system can be employed to increase the reliability and consistency of financial data classification task. 相似文献
5.
Spyros Arvanitis Florian Seliger Martin Woerter 《Oxford bulletin of economics and statistics》2020,82(5):1017-1041
We study the relationship between a patent-based measure of knowledge spillovers that calculates technological proximity based on technologically relevant firms and innovation success. We find – for a representative sample of Swiss firms – that knowledge spillovers have a positive and significant association with the commercial success of innovative products. The paper shows the importance of market conditions for the relationship of spillovers with innovation performance: It is only positive and significant in markets with a medium number of competitors in the main product market, but not in monopolistic or polypolistic market structures. 相似文献
6.
This research suggests that a Darwinian evolution of entrepreneurial spirit played a significant role in the process of economic development and the dynamics of inequality within and across societies. The study argues that entrepreneurial spirit evolved non-monotonically in the course of human history. In early stages of development, risk-tolerant, growth promoting traits generated an evolutionary advantage and their increased representation accelerated the pace of technological progress and the process of economic development. In mature stages of development, however, risk-averse traits gained an evolutionary advantage, diminishing the growth potential of advanced economies and contributing to convergence in economic growth across countries. 相似文献
7.
In this study we investigate the impact of early stage venture capital on innovation activities of start-ups. This is done based on a cohort of start-ups that is representative of all firms founded in Switzerland in 1996/97, as recorded by a census of the Swiss Federal Statistical Office for this period. We analyze not only the impact of early stage venture capital on innovation performance 3 years after firm foundation, but also 6 and 9 years after firm start, respectively, for those firms that survived and reported continuously innovation activities (persistence of innovation). The results support neither the hypothesis of a positive impact on initial innovation activities nor the hypothesis of a positive time-persistent effect on innovation performance of start-ups. 相似文献
8.
While previous studies on mergers and acquisitions (M&As) mostly relied on large firms, our study is based on a sample that includes all Swiss M&As that took place in the period 2006–2008, mostly of which have been SMEs. We investigate the firm characteristics that determine the innovation and economic performance of M&As. The performance measures are based on firms’ assessments. These measures are regressed on a series of possible determining factors as postulated in existing theoretical and empirical literature. M&A performance is primarily affected by specific M&A characteristics, but not by general market characteristics such as demand development or competition conditions. Rather astonishingly, it is also not affected by firm characteristics such as capital intensity, human capital endowment and firm size. There is an interesting exception: innovation activities. This means that, with the remarkable exception of innovation activities, the level of M&A performance is determined primarily by factors of the M&A process itself. 相似文献
9.
Stelios Gialis 《Industrial Relations Journal》2011,42(5):412-427
Drawing upon an extended case study in six industrial sectors in the city of Thessaloniki, Greece this paper highlights that the transformation of the local production system is based on the locally specific interaction of two interrelated restructuring trajectories: a ‘weak’ strategy that is mainly associated to small/medium‐sized labour intensive enterprises and a ‘strong’ strategy which is fairly connected to large, increasingly internationalised firms. Both these strategies are found to be in need of cheap labour while they make use of the locally diversified atypical employment pools, though in different ways. In parallel, they presuppose a subordinated integration into subcontracting production systems that expands towards the regional, the Balkan and the international arena. The paper underlines that restructuring strategies in Thessaloniki, especially the prevailing ‘weak’ one, do not seem to alter the conditions of backwardness for the local productive system. Apart from leaving local structures poor in innovative production, automated machinery and non‐hierarchical networking practices they are largely based on diffused, poorly‐paid atypical employment. 相似文献
10.