Class XCSFirm

java.lang.Object
  |
  +--Firm
        |
        +--XCSFirm

public class XCSFirm

extends Firm

XCSFirm.java
* Murat Yildizoglu - Universite Montesquieu Bordeaux IV France
* * Copyright (c) Murat Yildizoglu
* Permission to use, copy, modify, and distribute this
* software and its documentation for NON-COMMERCIAL purposes
* and without fee is hereby granted provided that this
* copyright notice appears in all copies.
*************************************************************
* An evolutionnary firm inspired by Nelson and Winter (1982) * but enriched by Classifier System (XCS) based R&D investment

Version:

1.0 April 2001

Author:

Murat Yildizoglu

See Also:

Firm, xcseco

Field Summary

XCSeco

CS

Fields inherited from class Firm

type

Constructor Summary

XCSFirm(double K0, double prod0, double cost0, double d0, double sigma_in0, double delta0, double rd0, double r0, double rd_min0, int nbactionsXCS, int maxPopSizeXCS, double alphaXCS, double betaXCS, double gammaXCS, double deltaXCS, double theta_GAXCS, int theta_delXCS, double pXXCS, double pMXCS, double P_dontcareXCS, double theta_subXCS, double predictionIniXCS, double fitnessIniXCS, java.lang.String objectiveXCS)
Initializes and computes the firm's caracteristics given the caracteristics of the industry to which it belongs.

Method Summary

void	clean() Frees the Classifier system for garbage collection
void	computeprivateEnvironment() Computes the private Environment string.
int	getChrDecode(int cc) For Compatibility with GenFirm
double	getChrFitness(int cc)
double	getDFittness() Returns the variation of the fittness
double	getProfit() Returns the total gross profit of the firm: Profit = profit x K
void	learn(int date) Firm communicates to its XCSeco the profit and asks it to learn as a function of the specified objective.
void	setenv(java.lang.String S) Complete the global environment of the firm it must be completed by the specific environment in the setrd() method
void	setrd(int t) Compute RD rate using an XCS
java.lang.String	showFirm() Formats the output for one XCSFirm.

Methods inherited from class Firm

computeprofit, getdprim, getdprin, getinvestRD, getKapital, getprod, getProfitRate, getrd, imitate, innovate, investK, investRD, isactive, saveprofit, supply

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

CS

public XCSeco CS

Constructor Detail

XCSFirm

public XCSFirm(double K0,
               double prod0,
               double cost0,
               double d0,
               double sigma_in0,
               double delta0,
               double rd0,
               double r0,
               double rd_min0,
               int nbactionsXCS,
               int maxPopSizeXCS,
               double alphaXCS,
               double betaXCS,
               double gammaXCS,
               double deltaXCS,
               double theta_GAXCS,
               int theta_delXCS,
               double pXXCS,
               double pMXCS,
               double P_dontcareXCS,
               double theta_subXCS,
               double predictionIniXCS,
               double fitnessIniXCS,
               java.lang.String objectiveXCS)

Initializes and computes the firm's caracteristics given the caracteristics of the industry to which it belongs.

Parameters:

K0 - Initial capital of the firm

prod0 - Initial productivity of the firm

cost0 - Unit using cost of capital

d0 - Calibration parameter for the innovation process

sigma_in0 - Standard deviation of innovative draws

delta0 - Depreciation rate of capital

rd0 - NA

r0 - Interest rate in the economy

rd_min0 - Minimal RD invetment rate Check the documentation of XCS (XCSConstants) for the signification of the following parameters

nbactionsXCS -

maxPopSizeXCS -

alphaXCS -

betaXCS -

gammaXCS -

deltaXCS -

theta_GAXCS -

theta_delXCS -

pXXCS -

pMXCS -

P_dontcareXCS -

theta_subXCS -

predictionIniXCS -

fitnessIniXCS -

Method Detail

computeprivateEnvironment

public void computeprivateEnvironment()

Computes the private Environment string. You should define here the varibales that must be used to observe the environment of the firm

setrd

public void setrd(int t)

Compute RD rate using an XCS

Overrides:

setrd in class Firm

See Also:

XCSeco

setenv

public void setenv(java.lang.String S)

Complete the global environment of the firm it must be completed by the specific environment in the setrd() method

Overrides:

setenv in class Firm

Parameters:

S - : global environment

learn

public void learn(int date)

Firm communicates to its XCSeco the profit and asks it to learn as a function of the specified objective.

Overrides:

learn in class Firm

Parameters:

objective -

See Also:

XCSeco

getProfit

public double getProfit()

Returns the total gross profit of the firm: Profit = profit x K

Overrides:

getProfit in class Firm

clean

public void clean()

Frees the Classifier system for garbage collection

Overrides:

clean in class Firm

showFirm

public java.lang.String showFirm()

Formats the output for one XCSFirm. It is used in LearnInd.

Overrides:

showFirm in class Firm

getChrDecode

public int getChrDecode(int cc)

For Compatibility with GenFirm

Overrides:

getChrDecode in class Firm

Parameters:

cc -

getChrFitness

public double getChrFitness(int cc)

Overrides:

getChrFitness in class Firm

getDFittness

public double getDFittness()

Returns the variation of the fittness

Overrides:

getDFittness in class Firm

Following copied from class: Firm

See Also:

GenFirm