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- W2918182206 abstract "The recent surge of the “Maker” movement (Anderson 2012) is largely driven by the increasing availability of the personal fabrication technology such as 3D printing (Lipson & Kurman 2013). Widespread diffusion and adoption of personal fabricators based on von Neumann style general purpose constructors are considered as one of the central possibilities of living technology (Bedau et al., 2010; Rasmussen et al. 2011). This is expected to cause a major shift of design and manufacturing power from large firms to individuals, in ways similar to how personal computers and information technology changed information production and dissemination in our society over the last few decades. Personal fabricators occupy an interesting position in the network of goods and products from an artificial chemistry perspective (Dittrich, Ziegler & Banzhaf 2001). The whole manufacturing system in human civilization can be understood as a huge metabolic network in which reactants and catalysts are goods (raw materials and products) and fabricators (production tools ranging from human hands, hammers and knives to advanced computers and large-scale factories), respectively (Becker et al. 2013). In this context, the role of personal fabricators is close to that of general-purpose catalysts, such as ribosomes in biological systems. Such general-purpose catalysts tend to have high complexity and slow reaction rates, yet they can produce a great variety of complex products. The emergence of ribosomes and gene-protein translation mechanisms in the history of life enhanced diversity, functionality and complexity of biomolecular machines significantly, clearly marking one of the major evolutionary transitions (Maynard-Smith & Szathmary 1997). This observation naturally leads one to ask the following question: What kind of societal transition may occur due to the rise of personal fabricators? This is not a trivial question to answer because of the differences between biological and socio-economical systems. Unlike biological cells, modern socio-economical systems are largely driven by individuals who have conflicting personal and financial interests and strategically determined behaviors imbedded in a marked driven economical system. Such behavioral complexities of anthropomimetic agents are often omitted in computational social simulations, though they would be necessary in order to capture relevant socio-economical dynamics. To investigate the potential societal impact of the rapidly emerging personal fabrication technology, we developed an agent-based simulation of designing-manufacturing-economy dynamics. In this model, agents design and produce goods using other goods as materials based on their knowledge of manufacturing processes, and then trade the products with other agents, in order to maximize their own utility (largely determined by monetary profit). The system consists of two main components: (i) the static universal product network made of all n possible goods using m materials in different ways determined by their connections and (ii) the dynamic economy made of agents and their realized markets, which are where goods are actually traded. The static universal product network represents the global set of all manufacturing processes possible (including not yet realized) in the simulated world. It is randomly generated using a heuristically designed algorithm as a bipartite network made of two types of nodes: reactants (raw materials and products) and reactions (production processes). Each reaction combines multiple reactants and produces another reactant at a certain rate. In this network, fabricators can be identified as catalytic reactants that do not increase or decrease in number through a reaction process. Each catalytic reactant (fabricator) has its inherent complexity and utility values assigned to it. The complexity of a product is always bounded by the complexity of the fabricators and products used in its production process. Fabricators with high complexity, slow reaction rates but great universality (i.e., ability to catalyze a great number of reactions) represent general purpose personal fabricators. In contrast, fabricators with medium complexity, fast reaction rates and high specificity represent large-scale mass-production factories. Fabricators with low complexity, slow reaction rates and high universality represent primitive manufacturing tools such as hand tools. Agents are initially equipped with the fabricator with lowest complexity to start with. The dynamic economy consists of agents and their markets. Each agent has the following properties: (1) amount of money it has, (2) inventory and price of goods they own (including fabricators), (3) utility associated with each product in the product network, and (4) the combined utility of all of the products in their inventory. At each time step, an agent randomly generates a finite number of possible actions (which goods to produce, which goods to purchase, etc.) and assesses ECAL General Track" @default.
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- W2918182206 date "2013-01-01" @default.
- W2918182206 modified "2023-09-27" @default.
- W2918182206 title "Impact of Personal Fabrication Technology on Social Structure and Wealth Distribution: An Agent-Based Simulation Study" @default.
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