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排序方式: 共有146条查询结果,搜索用时 93 毫秒
31.
Giacomo Bormetti Lucio Maria Calcagnile Fulvio Corsi Stefano Marmi Fabrizio Lillo 《Quantitative Finance》2013,13(7):1137-1156
Instabilities in the price dynamics of a large number of financial assets are a clear sign of systemic events. By investigating portfolios of highly liquid stocks, we find that there are a large number of high-frequency cojumps. We show that the dynamics of these jumps is described neither by a multivariate Poisson nor by a multivariate Hawkes model. We introduce a Hawkes one-factor model which is able to capture simultaneously the time clustering of jumps and the high synchronization of jumps across assets. 相似文献
32.
Export restraints in a model of trade with capital accumulation 总被引:1,自引:0,他引:1
This paper examines the impact of voluntary export restraints (VERs) in an international duopoly modeled as a differential game. With a Ramsey capital accumulation dynamics, the game admits multiple steady states, and a VER cannot be ‘voluntarily’ employed by the foreign firm in case of Cournot behavior in demand substitutes. Hence, the dynamic framework confirms the results of the VERs literature with static interaction in output levels. In the case of price behavior, the adoption of an export restraint may increase the profits of both firms if products are substitutes and the steady state is ‘market-driven’. However, contrary to the acquired wisdom based upon the static approach, the dynamic analysis also admits an equilibrium outcome, identified by the Ramsey golden rule, where the incentive to adopt a VER is ruled out, irrespective of whether firms are quantity- or price-setters. 相似文献
33.
Jos Giacomo Baccarin Jonatan Alexandre de Oliveira Glucia Elisa Mardegan 《Journal of Agrarian Change》2020,20(4):598-617
From 2007 to 2017, the Agro‐Environmental Protocol of the Sugar and Energy Sector was in force, an agreement between sugarcane mill owners and the State Government of São Paulo, Brazil, proposing to eliminate sugarcane burning as a method to facilitate the harvest. Simultaneously, the sugarcane harvest was becoming widely mechanized while, under the interests of capital accumulation, the mills were entering the information and communication technology era and providing the agricultural processes with more precise and immediate management and technological controls, similar to those implemented in the mills' administrative and industrial operations in the 1990s. Short‐term factors, including environmental factors, favoured sugarcane technological changes. As a result, there was a mass layoff of rural workers and an increasing number of people/workers in agricultural mechanization, transportation and maintenance of machinery and administrative as well. The whole process highlighted the differences between mills, resulting in small and medium sugarcane farmers and mills to become the most impacted, in operational and financial terms, by the accelerating mechanization of the sugarcane industry as a whole. 相似文献
34.
Marco Da Rin Marina Di Giacomo Alessandro Sembenelli 《Review of International Economics》2019,27(1):313-346
We use a novel firm‐level dataset to test whether trust affects the volume and the ownership structure FDI across Europe. Our methodology deals with the endogeneity of trust from the investor to the recipient country. We expect such a trust measure to affect investment decisions, and the associated knowledge capital, differently across types of foreign investors. In particular, this effect is expected to be stronger for industrial investors who possess transferable knowledge capital. The data confirm our predictions. Higher trust increases the number and volume of FDIs, but also the probability of co‐investing with a partner from the recipient country. 相似文献
35.
36.
Assuming that a developing country has to denominate its debts in the currencies of the principal creditor countries, how is the country??s economic performance affected when currency devaluation occurs? The aim of this paper is to prove that devaluation can be contractionary and that its occurrence can be the result of a self-fulfilling prophecy. Assuming credit constraints on firms?? borrowing capacity and nominal price rigidities, a sharp change in the value of the domestic currency leads to an increase in the real costs of foreign currency-denominated debt. Hence, firms?? profits as well as their borrowing capacity decrease, provoking a drop in future investment and output. Moreover, expectations about future output can alone trigger a currency devaluation, confirming the initial expectations in a self-fulfilling way. Finally, it is discussed in an empirical analysis the impact of devaluation on the economic growth in a sample of five countries. 相似文献
37.
The main purpose of this exploratory analysis is to understand whether, based on evidence gathered from international best
practices selected among corporations which adopt the Global Reporting Initiative guidelines in sustainability reporting (SR),
stakeholders are significantly consulted and involved—as international literature would indicate—by assurance providers, during
assurance processes of SR. We aim at verifying if this practice—known as stakeholder assurance—is in fact widespread in SR
assurance by carrying out empirical research, through content analysis, into a sample of 161 assurance statements of international
corporations, in order to test characteristics of any stakeholder assurance implemented. 相似文献
38.
Status, the Distribution of Wealth, and Growth 总被引:6,自引:0,他引:6
We analyze a simple model of endogenous growth in which individuals care about both consumption and their rank in the distribution of wealth. We show that the steady-growth rate of the economy increases with both the strength of the status-seeking motive and the initial equality of the wealth distribution. Contrary to the basic model of endogenous growth, the equilibrium growth rate is not necessarily smaller than in the social optimum, and we identify the circumstances under which the two coincide. 相似文献
39.
Indirect estimation of large conditionally heteroskedastic factor models,with an application to the Dow 30 stocks 总被引:1,自引:0,他引:1
We derive indirect estimators of conditionally heteroskedastic factor models in which the volatilities of common and idiosyncratic factors depend on their past unobserved values by calibrating the score of a Kalman-filter approximation with inequality constraints on the auxiliary model parameters. We also propose alternative indirect estimators for large-scale models, and explain how to apply our procedures to many other dynamic latent variable models. We analyse the small sample behaviour of our indirect estimators and several likelihood-based procedures through an extensive Monte Carlo experiment with empirically realistic designs. Finally, we apply our procedures to weekly returns on the Dow 30 stocks. 相似文献
40.
Giacomo Corneo 《Wirtschaftsdienst》2009,89(5):282-283
Ohne Zusammenfassung 相似文献