JAS-mine: A new platform for microsimulation and agent-based modelling

We introduce JAS-mine, a new Java-based computational platform that features tools to support the development of large-scale, data-driven, discrete-event simulations. JAS-mine is speci cally designed for both agent-based and microsimulation modelling, anticipating a convergence between the two approaches. An embedded relational database management system provides tools for sophisticated input-output communications and data storage, allowing the power of relational databases to be used within an object-oriented framework. The JAS-mine philosophy encourages the separation of distinct concepts, objects and functionalities of the simulation model, and advocates and supports transparency, exibility and modularity in model design. For instance, JAS-mine allows to store the list of regressors and the estimated coecients externally to code, making it easy to change the speci cation of the regression models used in the simulation and achieving a complete parallelisation between the tasks of the econometric ians and those of the programmers. Moreover, tools for uncertainty analysis and search over the parameter space are also built in.

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