The following features have made TROLL the undisputed tool of choice for demanding discrete-time simulations:

• Support for Highly Sophisticated Models
  • Arbitrary nonlinear specifications
  • "Forward-looking" dynamics
  • Arbitrarily large systems
  • Bi-directional intertemporal feedback
• Choice of Robust, Efficient Solution Algorithms
  • Newton-Raphson
  • Gauss-Seidel
  • Fast Gauss-Seidel
  • Jacobi
  • Fair-Taylor
  • Laffargue-Juillard-Hollinger stacked time
  • Newly developed stacked time algorithms
• Advanced Diagnostic and Analytic Techniques
  • Eigenanalysis of linearized systems
  • Damping of Newton iterations
  • Temporary exogenization of endogenous variables
  • Limited information solution modes
• Automation of Preparatory Steps
  • Partitioning of model into simultaneous blocks
  • Normalization of equations