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  • 1
    Language: English
    In: Physica A: Statistical Mechanics and its Applications, 01 October 2019, Vol.531, p.121805
    Description: Recent studies suggest that the emergence of cooperative behavior can be explained by , a behavioral mechanism based on the principle of “help anyone if helped by someone”. In complex systems, the cooperative dynamics is largely determined by the network structure which dictates the interactions among neighboring individuals. These interactions often exhibit multidimensional features, either as relationships of different types or temporal dynamics, both of which may be modeled as a “multiplex” network. Against this background, here we advance the research on cooperation models inspired by generalized reciprocity by considering a multidimensional networked society. Our results reveal that a multiplex network structure may enhance the role of generalized reciprocity in promoting cooperation, whereby some of the network dimensions act as a latent support for the others. As a result, generalized reciprocity forces the cooperative contributions of the individuals to concentrate in the dimension which is most favorable for the existence of cooperation.
    Keywords: Cooperation ; Multiplex Network ; Generalized Reciprocity ; Physics
    ISSN: 0378-4371
    E-ISSN: 1873-2119
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  • 2
    In: PLoS ONE, 2016, Vol.11(8)
    Description: Economic complexity reflects the amount of knowledge that is embedded in the productive structure of an economy. By combining tools from network science and econometrics, a robust and stable relationship between a country’s productive structure and its economic growth has been established. Here we report that not only goods but also services are important for predicting the rate at which countries will grow. By adopting a terminology which classifies manufactured goods and delivered services as products, we investigate the influence of services on the country’s productive structure. In particular, we provide evidence that complexity indices for services are in general higher than those for goods, which is reflected in a general tendency to rank countries with developed service sector higher than countries with economy centred on manufacturing of goods. By focusing on country dynamics based on experimental data, we investigate the impact of services on the economic complexity of countries measured in the product space (consisting of both goods and services). Importantly, we show that diversification of service exports and its sophistication can provide an additional route for economic growth in both developing and developed countries.
    Keywords: Research Article ; Social Sciences ; Social Sciences ; Social Sciences ; Ecology And Environmental Sciences ; Research And Analysis Methods ; Physical Sciences ; People And Places ; Social Sciences ; Social Sciences ; Social Sciences ; Physical Sciences
    E-ISSN: 1932-6203
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  • 3
    In: PLoS ONE, 2018, Vol.13(8)
    Description: Economic complexity reflects the amount of knowledge that is embedded in the productive structure of an economy. It resides on the premise of hidden capabilities—fundamental endowments underlying the productive structure. In general, measuring the capabilities behind economic complexity directly is difficult, and indirect measures have been suggested which exploit the fact that the presence of the capabilities is expressed in a country’s mix of products. We complement these studies by introducing a probabilistic framework which leverages Bayesian non-parametric techniques to extract the dominant features behind the comparative advantage in exported products. Based on economic evidence and trade data, we place a restricted Indian Buffet Process on the distribution of countries’ capability endowment, appealing to a culinary metaphor to model the process of capability acquisition. The approach comes with a unique level of interpretability, as it produces a concise and economically plausible description of the instantiated capabilities.
    Keywords: Research Article ; Social Sciences ; Social Sciences ; Earth Sciences ; People And Places ; People And Places ; People And Places ; People And Places ; People And Places ; Social Sciences ; Biology And Life Sciences ; Physical Sciences
    E-ISSN: 1932-6203
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  • 4
    Description: This file contains the data and results from the regression analysis performed in the paper: The Impact of Services on Economic Complexity: Service Sophistication as Route for Economic Growth by Stojkoski V, Utkovski Z, Kocarev L...
    Keywords: Economic Development And Growth ; Applied Economics Not Elsewhere Classified
    Source: DataCite
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  • 5
    Description: This file contains the data and results from the regression analysis performed in the paper: The Impact of Services on Economic Complexity: Service Sophistication as Route for Economic Growth by Stojkoski V, Utkovski Z, Kocarev L...
    Keywords: Economic Development And Growth ; Applied Economics Not Elsewhere Classified
    Source: DataCite
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  • 6
    Language: English
    In: Physical review. E, May 2018, Vol.97(5-1), pp.052305
    Description: We introduce a framework for studying social dilemmas in networked societies where individuals follow a simple state-based behavioral mechanism based on generalized reciprocity, which is rooted in the principle "help anyone if helped by someone." Within this general framework, which applies to a wide range of social dilemmas including, among others, public goods, donation, and snowdrift games, we study the cooperation dynamics on a variety of complex network examples. By interpreting the studied model through the lenses of nonlinear dynamical systems, we show that cooperation through generalized reciprocity always emerges as the unique attractor in which the overall level of cooperation is maximized, while simultaneously exploitation of the participating individuals is prevented. The analysis elucidates the role of the network structure, here captured by a local centrality measure which uniquely quantifies the propensity of the network structure to cooperation by dictating the degree of cooperation displayed both at the microscopic and macroscopic level. We demonstrate the applicability of the analysis on a practical example by considering an interaction structure that couples a donation process with a public goods game.
    Keywords: Cooperative Behavior ; Game Theory
    ISSN: 24700045
    E-ISSN: 2470-0053
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  • 7
    Language: English
    In: Physical review. E, August 2017, Vol.96(2-1), pp.022315
    Description: A growing body of empirical evidence indicates that social and cooperative behavior can be affected by cognitive and neurological factors, suggesting the existence of state-based decision-making mechanisms that may have emerged by evolution. Motivated by these observations, we propose a simple mechanism of anonymous network interactions identified as a form of generalized reciprocity-a concept organized around the premise "help anyone if helped by someone'-and study its dynamics on random graphs. In the presence of such a mechanism, the evolution of cooperation is related to the dynamics of the levels of investments (i.e., probabilities of cooperation) of the individual nodes engaging in interactions. We demonstrate that the propensity for cooperation is determined by a network centrality measure here referred to as neighborhood importance index and discuss relevant implications to natural and artificial systems. To address the robustness of the state-based strategies to an invasion of defectors, we additionally provide an analysis which redefines the results for the case when a fraction of the nodes behave as unconditional defectors.
    Keywords: Quantitative Biology - Populations And Evolution;
    ISSN: 24700045
    E-ISSN: 2470-0053
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  • 8
    Language: English
    In: Journal оf Contemporary Economic аnd Business Issues, 2017, Vol.4(2), pp.51-61
    Description: In this paper, we study the interdependent relationship between three types of investments: foreign direct investments, central government investments, and all other investments, and their role in the gross domestic product dynamics in the Republic of Macedonia, by employing the consistent...
    Keywords: Business Economy / Management ; International Relations/Trade ; Financial Markets ; Investments ; Economic Growth ; Crowding Out ; Vecm
    ISSN: 1857-9094
    E-ISSN: 1857-9108
    Source: Central and Eastern European Online Library (C.E.E.O.L.)
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  • 9
    Language: English
    In: Innovation: The European Journal of Social Science Research, 10/04/2018, pp.1-16
    Description: This paper provides empirical evidence on the innovation performance in the European countries in the years of recovery from the global economic and financial crisis by using the CDM model of simultaneous equations. The model directly links R&D engagement and intensity to innovation outcomes measured either as process or as product innovation, and then estimates the effectiveness of the innovative efforts leading to productivity gains. The difference between the drivers of innovation systems and its influence over the productivity growth is analyzed between two different institutional settings in Europe. For that purpose a company-level dataset is used from the 2012 round of the Comunity Innovation Survey. Тhe results indicated that the recent financial crisis had negative influence on the companies’ willingness to innovate. The effect of the crisis led to further divergence in the innovation systems of these two institutional settings. Identifying the characteristics of the innovation systems and drivers of innovation during the turmoil shows that policy instruments on EU level should be oriented towards creation of competitive business environment, encouragement to adopt the best management techniques and organizational structures and improvement of well-functioning capital, product and labor markets. Article ahead-of-print.
    Keywords: Article ; Innovation ; Productivity ; Cdm Model ; European Countries ; Economic Recovery ; L1 ; L60 ; O31 ; O33;
    ISSN: 1351-1610
    E-ISSN: 1469-8412
    Source: Informa - Taylor & Francis (via CrossRef)
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  • 10
    Description: In multi-agent systems, cooperative behavior is largely determined by the network structure which dictates the interactions among neighboring agents. These interactions often exhibit multidimensional features, either as relationships of different types or temporal dynamics, both of which may be modeled as a "multiplex" network. Against this background, here we advance the research on cooperation models inspired by generalized reciprocity, a simple pay-it-forward behavioral mechanism, by considering a multidimensional networked society. Our results reveal that a multiplex network structure can act as an enhancer of the role of generalized reciprocity in promoting cooperation by acting as a latent support, even when the parameters in some of the separate network dimensions suggest otherwise (i.e. favor defection). As a result, generalized reciprocity forces the cooperative contributions of the individual agents to concentrate in the dimension which is most favorable for the existence of cooperation. Comment: Extended abstract of "The Role of Multiplex Network Structure in Cooperation through Generalized Reciprocity"
    Keywords: Quantitative Biology - Populations And Evolution
    Source: Cornell University
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