Platforms for Agent-Based Computational Economics Rob Axtell Brookings CSED.

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Presentation transcript:

Platforms for Agent-Based Computational Economics Rob Axtell Brookings CSED

Types of Resources Standalone systems (high level) –Agents: AgentSheets, NetLogo –Mathematical: MatLab, Mathematica Software frameworks –Java: Ascape, MASON, RePast –Objective C: Swarm Programming languages –C/C++ –Java

Code words Speed of execution: –Interpreted => slow –Compiled => faster Java: object-oriented language –Signifies multi-platform capability (Windows, Mac, Unix/Linux, other) –signifies free availability Cost: nominal: < $100; moderate: <$1000; else expensive

AgentSheets Simplest agent modeling system Programming: it’s own visual language, interpreted Main use: educational tool, including kids Availability: multi-platform, Java compiler (applets), nominal cost

NetLogo Simplest agent modeling system useful to researchers Programming: it’s own object- oriented agent language, interpreted, new 3D visuals Main use: education + research Availability: multi-platform, written in Java, applets, free

MatLab Highly capable numerical analysis engine and modeling system Programming: it’s own language, object-oriented extensions, compiled Main use: scientists and engineers; can be used for agent models Availability: multi-platform, moderate cost, need MatLab engine to run, good support, large user group

Mathematica Canonical system for doing symbolic mathematics Programming: it’s own interpreted language, partially compiled; weak object-oriented extensions; compact Main use: scientists and engineers; sometimes used for agent models Availability: multi-platform, expensive, need Mathematica to run

Swarm Early agent modeling system, written by C. Langton at Santa Fe Programming: Objective C (semi- archaic); difficult to install; Unix/Linux only Main use: many early agent models Availability: free, open source at Swarm.org

Ascape First agent modeling framework aimed at social scientists Programming: Java Main use: Spatial social science models (e.g., Sugarscape, Anasazi) Availability: multi-platform, applets, version 1.9 free, open source; version 3.0 commercial

RePast->SimPhony Agent modeling platform targeted at social scientists Programming: Java and.Net C# -> visual language; new extensions to GIS systems (GRASS) Main use: social science Availability: multi-platforms, applets, free, open source, large user group, good support

MASON Next generation agent modeling system for social scientists and others Programming: Java Main use: social and computer science; separates simulation engine, visualization and analysis Availability: multi-platform, applets, free and open source, good support

Java Canonical object-oriented multi- platform programming environment Programming: compiled to machine independent form, pretty fast; social scientists need 1 course to do it well Main use: widely used in all fields Availability: multi-platform, applets, free, including many good IDEs

C/C++ Canonical object-oriented programming environment Programming: compiled to machine specific form, fastest execution time; social scientists need 1 course to do it safely, often 1 more to do it well Main use: widely used in all fields Availability: code can be multi- platform, binaries not multi-platform, free to expensive

Summary Programming ‘maturity’/experience Performance

Summary Programming ‘maturity’/experience Performance AgentSheets

Summary Programming ‘maturity’/experience Performance NetLogo AgentSheets

Summary Programming ‘maturity’/experience Performance MatLab NetLogo AgentSheets

Summary Programming ‘maturity’/experience Performance Mathematica MatLab NetLogo AgentSheets

Summary Programming ‘maturity’/experience Performance Ascape 1.9 Mathematica MatLab NetLogo AgentSheets

Summary Programming ‘maturity’/experience Performance Ascape 1.9 Mathematica MatLab NetLogo AgentSheets Ascape 3.0

Summary Programming ‘maturity’/experience Performance RePast Ascape 1.9 Mathematica MatLab NetLogo AgentSheets Ascape 3.0

Summary Programming ‘maturity’/experience Performance RePast Ascape 1.9 Mathematica MatLab NetLogo AgentSheets Ascape 3.0

Summary Programming ‘maturity’/experience Performance RePast Ascape 1.9 Mathematica MatLab NetLogo AgentSheets Ascape 3.0 MASON

Summary Programming ‘maturity’/experience Performance Java RePast Ascape 1.9 Mathematica MatLab NetLogo AgentSheets Ascape 3.0 MASON

Summary Programming ‘maturity’/experience Performance Java C/C++ RePast Ascape 1.9 Mathematica MatLab NetLogo AgentSheets Ascape 3.0 MASON