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31.
Mauro Cerè 《Decisions in Economics and Finance》1982,5(2):151-158
Viene considerato il problema della determinazione della «politica ottima» di un'impresa che deve ammortizzare un prestito diviso in obbligazioni, noti i tassi di interesse del prestito, la redditività del capitale disponibile e prefissati vincoli sul numero massimo di obbligazioni da rimborsare nei singoli anni. Il problema viene risolto coi metodi della programmazione lineare. 相似文献
32.
Recent financial disasters have emphasized the need to accurately predict extreme financial losses and their consequences for the institutions belonging to a given financial market. The ability of econometric models to predict extreme events strongly relies on their flexibility to account for the highly nonlinear and asymmetric dependence patterns observed in financial time series. In this paper, we develop a new class of flexible copula models where the dependence parameters evolve according to a Markov switching generalized autoregressive score (GAS) dynamics. Maximum likelihood estimation is performed using a two‐step procedure where the second step relies on the expectation–maximization algorithm. The proposed switching GAS copula models are then used to estimate the conditional value at risk and the conditional expected shortfall, measuring the impact on an institution of extreme events affecting another institution or the market. The empirical investigation, conducted on a panel of European regional portfolios, reveals that the proposed model is able to explain and predict the evolution of the systemic risk contributions over the period 1999–2015. 相似文献
33.
This paper analyses the relationship between markups and international trade at the firm level using a large sample of French manufacturing firms for the period 1995–2007. In particular, the paper investigates the effect of increasing import competition from China on firms' price–cost margins and the way in which exporting interacts with this effect. The results show robust evidence that firms in more direct competition with Chinese imports decrease their markups. However, firms that become exporters experience a smaller reduction in their price–cost margins. Consistent with these findings, the results also show that firms facing tougher competition from China are more likely to start exporting to avoid such competitive pressures. 相似文献
34.
In today’s internet markets consumers can search for, find and compare prices worldwide. Online, information circulates faster than offline and arbitrage opportunities such as the ones arising from currency shocks are easily unveiled. In this paper, we estimate for the first‐time exchange rate elasticities for cross‐border e‐commerce transactions. Exploiting a new high‐frequency database on international transactions of parcels, we find that a 1% appreciation of the domestic currency increases e‐commerce imports by 0.7%. Comparing the result with traditional estimates in offline markets, this implies a 50% exchange rate pass‐through online. 相似文献
35.
Mauro Caminati 《Metroeconomica》2021,72(1):57-81
A Cournot collaboration game is complemented with the hypothesis that the cost of R&D collaboration depends on firm’s directed knowledge distance with respect to potential R&D partners. The further hypothesis that directed distance may be non‐uniform and pair‐wise asymmetric reconciles theoretical predictions with qualitative evidence about concentration and multiplicity of components in industrial R&D networks. The welfare properties of sparse stable networks are also affected. 相似文献
36.
Mauro Caminati 《Journal of Evolutionary Economics》2016,26(2):247-270
This paper contributes to the knowledge-based explanation of R&D networks. It argues that knowledge overlap and novelty are complementary inputs of a R&D alliance, in forms that depend upon the exploration breadth and depth of the R&D activity. The paper investigates how the hypothesis of specialization of the knowledge endowments can recover a number of characteristic empirical properties of a pattern of R&D collaboration in the economy. Implications for network evolution are discussed. 相似文献
37.
Domenico Delli Gatti Edoardo Gaffeo Mauro Gallegati 《Journal of Economic Interaction and Coordination》2010,5(2):111-135
This article discusses some issues and challenges facing modern macroeconomics. We argue for the necessity to replace the
reductionist approach at the heart of mainstream DSGE models with an approach rooted on the science of complexity and agent-based
modelling. To strengthen and exemplify our position, we show a simple example and introduce several items for a research agenda
along these lines. 相似文献
38.
This paper employs recently developed non-stationary panel methodologies that assume cross-section dependence to estimate a production function for Italian regions over the 1970–2003 period. The analysis consists of three steps. First, unit root tests for cross-sectionally dependent panels are applied. Second, the existence of a cointegrating relationship among value added, physical capital and human capital-augmented labour is investigated, fully allowing for cross-section dependence. Then, the appropriate Fully Modified Ordinary Least Square estimators developed by Bai and Kao [Bai, J., Kao, C. 2006. On the Estimation and Inference of a Panel Cointegration Model with Cross-Sectional Dependence. In: B.H. Baltagi (Ed) Panel Data Econometrics: Theoretical Contributions and Empirical Applications, Elsevier Science: Amsterdam; 2006, pp.3–30.] are used to estimate the long-run relationship. We find that neglecting cross-section dependence can have a strong impact on the estimated long-run input elasticities, generally imparting them an upward bias. 相似文献
39.
Mauro Felipe Berumen Calderón DamayantiEstolano Cristerna María Fernanda Gutiérrez Velarde Heberto Ferreira Medina 《Journal of Foodservice Business Research》2019,22(1):1-19
Brands that have worldwide recognition are perceived as profitable businesses. One of the reasons for this perception might lie in the belief that these companies usually employ some degree of financial evaluation to make the right choice in terms of investment; Hard Rock Cafe is no exception. The brand opened one restaurant in the Riviera Maya in 2011 which closed within nine months. Could a better investment decision have been made if the Hard Rock Cafe Mexico management had followed the Integral Decision Analysis (IDA) method? This method gives decision-makers a chance to analyze mutually exclusive capital budgeting projects. The case study illustrates the type of elements that the model can yield, it provides a brief explanation on how this process could have been used by the Hard Rock Cafe management and it offers an explanation on how this knowledge might have helped in supporting a final investment decision. In conclusion, the IDA method used to analyze this project might reduce the risks in capital investments. 相似文献
40.