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41.
We investigate the interplay between increasing inequality and consumer credit in a complex macroeconomic system with financially fragile heterogeneous households, firms and banks. Simulation results show that there are pros and cons of introducing consumer credit: on the one hand, for a certain time, it leads to lower unemployment through boosting aggregate demand; on the other hand, it accelerates the system tendency to the crisis. Since the increase of financial profits goes with a decline of households’ real wealth, a policy trade-off emerges. 相似文献
42.
Sandrine Jacob Leal Mauro Napoletano Andrea Roventini Giorgio Fagiolo 《Journal of Evolutionary Economics》2016,26(1):49-76
We build an agent-based model to study how the interplay between low- and high-frequency trading affects asset price dynamics. Our main goal is to investigate whether high-frequency trading exacerbates market volatility and generates flash crashes. In the model, low-frequency agents adopt trading rules based on chronological time and can switch between fundamentalist and chartist strategies. By contrast, high-frequency traders activation is event-driven and depends on price fluctuations. High-frequency traders use directional strategies to exploit market information produced by low-frequency traders. Monte-Carlo simulations reveal that the model replicates the main stylized facts of financial markets. Furthermore, we find that the presence of high-frequency traders increases market volatility and plays a fundamental role in the generation of flash crashes. The emergence of flash crashes is explained by two salient characteristics of high-frequency traders, i.e., their ability to i. generate high bid-ask spreads and ii. synchronize on the sell side of the limit order book. Finally, we find that higher rates of order cancellation by high-frequency traders increase the incidence of flash crashes but reduce their duration. 相似文献
43.
This paper explores a newly available panel dataset merging balance sheet and international trade transaction data for Belgium. Both imports and exports appear to be highly concentrated among few firms and seem to have become more so over time. Focusing on manufacturing, we find that facts previously reported in the literature as applying only to exports actually apply to imports too. We note that the number of trading firms diminishes as the number of export destinations or import origins increases. The same is true if we consider the number of products traded. Our results generally point to a process of self‐selection in both export and import markets. Also, the productivity advantage of exporters reported in the literature may be overstated because imports were not considered. We find that firms that both import and export are the most productive, followed, in descending order, by importers only, exporters only and non‐traders. Our results also show the existence of fixed costs of imports, which appear to be of similar magnitude as those of exports. 相似文献
44.
Clementi Fabio Gallegati Mauro Gianmoena Lisa Landini Simone Stiglitz Joseph E. 《Journal of Economic Interaction and Coordination》2019,14(4):923-923
Journal of Economic Interaction and Coordination - In the original publication of the article, caption of Figure 3 on the third page of Sect. 4.1 was incorrectly published as. 相似文献
45.
According to existing research, ad persuasiveness decreases as advertising skepticism (i.e., the tendency to disbelieve advertising claims) increases. What remains unclear, however, is whether or not this effect extends to brand extension appeals. We suggest that the effect may vary according to brand extension similarity. Three studies test this assertion while providing process evidence and boundary conditions for the proposed effect. According to the findings, consumers automatically transfer associations from parent brands to highly similar extensions or automatically block these associations in the case of highly dissimilar extensions—reducing the impact of advertising skepticism on ad persuasiveness. At moderate levels, however, extension similarity is less predictive of the transfer process, increasing the negative effect of advertising skepticism on persuasion. Consistent with this account, the results identify brand transfer (i.e., the ability of the parent brand to make the extension) as the underlying mechanism explaining the advertising skepticism effect for moderately similar brand extension appeals. Furthermore, the results show how marketers can reduce these effects, and increase extension success, by emphasizing extension attributes that are shared with the parent brand. Collectively, these results provide a unique theoretical view, improving our understanding of advertising skepticism and the drivers of brand extension success. 相似文献
46.
Mauro Rodrigues 《Journal of Monetary Economics》2010,57(2):175-188
Despite Latin America's dismal performance between the 1950s and 1980s, the region experienced strong capital deepening. We suggest that these facts can be explained as a consequence of the restrictive trade regime adopted at that time. Our framework is based on a dynamic Heckscher-Ohlin model, with scale economies in the capital-intensive sector. Initially, the economy is open and produces only the labor-intensive good. The trade regime is modeled as a move to a closed economy. The model produces results consistent with the Latin American experience. Specifically, a sufficiently small country experiences no long-run income growth, but an increase in capital. 相似文献
47.
Marco Gallegati Mauro Gallegati James Bernard Ramsey Willi Semmler 《Oxford bulletin of economics and statistics》2011,73(4):489-508
Although widely used in many areas of applied sciences, wavelet analysis has not fully entered the economic discipline yet. In this article we apply wavelet analysis to one of the most investigated relationships is in empirical macroeconomics: the relationship between wage inflation and unemployment. Using US postwar data we find a frequency‐dependent relationship of a sort that is consistent with Phillips’ original insights. It also turns out that this relationship is remarkably stable over the 1948–93 period, but not in the aftermath, as a consequence of a process of adaption of the wage formation process to a low inflation environment. 相似文献
48.
Mauro Caminati 《Journal of Evolutionary Economics》2006,16(3):207-229
The introduction of a production function of technology embodying laws of returns to research and development (R&D) is now standard practice in growth theory. This paper offers a critical evaluation, in the light of a generalized N–K model, of some recent contributions suggesting foundations for the existence of laws of returns to R&D. It is argued that such contributions fail to analyze the way in which research and development activity in the technological and scientific domains affect the dimension, the hierarchic structure and the complexity of knowledge search spaces. In the attempt at moving some analytical steps in this direction, this paper considers the possibility that modularity effectively counters the rise in complexity which would follow from idea growth and the increasing number of potential interactions between component ideas. It is argued that the force of the modularity argument finds its limits in the face of radical innovations that are general purpose, but entail a deconstruction and reconstruction of the hierarchy of technological interactions. It is also suggested that niche creation and knowledge spillovers elicit the early development and subsequent diffusion of such radical innovations.
相似文献
Mauro CaminatiEmail: |
49.
We examine the characteristics of national systems of corporate governance to theorize about the nature of the shareholders' and employees' interests when it comes to reorganization, under the assumption that the firm is coalitional in nature. We argue that corporate governance institutions prevalent in both the host and the target country of the merging firms enable or constrain the ability of the acquirer to reorganize the target. Using a cross‐national dataset of corporate acquisitions and post‐acquisition reorganization, we found support for our predictions that stronger legal protection of shareholder rights in the acquirer country compared to the target country increases the acquirer's ability to restructure the target's assets and leverage the target's resources, while the protection of employee rights in the target country restricts the acquirer's ability to restructure the target's assets and redeploy resources to and from the target. Copyright © 2009 John Wiley & Sons, Ltd. 相似文献
50.
This paper tests for the existence of a lending channel in the transmission of monetary policy in Brazil using aggregate monthly data for the period 1995:12 through 2008:6. The test is carried out in a VECM setting that allows for multiple cointegrating relationships among the variable of interest. We find evidence of two cointegrating vectors, which we identify as loan demand and supply functions by testing for a number of exclusion and exogeneity restrictions on the cointegrating relationships. Loan supply is found to be negatively related to the interbank deposit certificate rate, suggesting the existence of a lending channel for monetary transmission. The VECM's short-term dynamics show that loan demand is equilibrium-correcting. But short-term disequilibria in the supply of loans are corrected through changes in the interbank deposit certificate rate, suggesting that monetary policy plays a role in restoring equilibrium in the credit market by affecting the borrowing rate faced by banks to raise non-deposit funds. 相似文献