edu.cuny.cat.market.charging
Class BaitAndSwitchChargingPolicy

java.lang.Object
  edu.cuny.cat.market.AuctioneerPolicy
      edu.cuny.cat.market.charging.ChargingPolicy
          edu.cuny.cat.market.charging.BaitAndSwitchChargingPolicy

All Implemented Interfaces:

AuctionEventListener, edu.cuny.config.param.Parameterizable, edu.cuny.obj.Resetable

public class BaitAndSwitchChargingPolicy
extends ChargingPolicy

This charge-cutting policy makes a specialist to cut its charge until it captures a certain chunk of market share, then slowly increases its charge, and then adjusts its charge downward again if its market share drops below a certain level.

Parameters

base.registration double	(charge on registration)
base.information double	(charge on information)
base.shout double	(charge on shout)
base.transaction double	(charge on transaction)
base.profit double [0,1]	(charge on profit)
base.cutratio double [0,1] (0.5 by default)	(the speed a specialist cuts its charges down from the lowest charges of markets when it needs luring more traders to register)
base.exploitratio double [0,1] (0.6 by default)	(the market share beyond which the specialist will try to exploit traders)

Default Base

bait_and_switch_charging

Version:

$Revision: 1.8 $

Author:

Kai Cai

Field Summary

protected double	cutRatio
static double	DEFAULT_CUT_RATIO
static double	DEFAULT_EXPLOIT_RATIO
protected double	exploitRatio
protected double[]	maxFees
protected double[]	minFees
protected int	numberOfTradersRegisteredToday
static java.lang.String	P_CUT_RATIO
static java.lang.String	P_DEF_BASE
static java.lang.String	P_EXPLOIT_RATIO
protected boolean	toLureTrader
protected int	totalNumberOfTraders

Fields inherited from class edu.cuny.cat.market.charging.ChargingPolicy

FEE_TYPES, fees, FLAT, FRACTIONAL, INFORMATION_INDEX, MAXES, MINES, P_FEES, PROFIT_INDEX, REGISTRATION_INDEX, SHOUT_INDEX, TRANSACTION_INDEX

Fields inherited from class edu.cuny.cat.market.AuctioneerPolicy

auctioneer

Constructor Summary

BaitAndSwitchChargingPolicy()

Method Summary

void	eventOccurred(AuctionEvent event)
void	reset() resets the state to be the same as the policy is created and initialized.
void	setup(edu.cuny.config.param.ParameterDatabase parameters, edu.cuny.config.param.Parameter base)
java.lang.String	toString()
protected void	updateExploitStatus()
protected void	updateFees()
protected void	updateMinAndMaxFees(FeesAnnouncedEvent event)
protected void	updateTraderRegistration(RegisteredTradersAnnouncedEvent event)

Methods inherited from class edu.cuny.cat.market.charging.ChargingPolicy

adjustFees, getFees, getInformationFee, getProfitFee, getRegistrationFee, getShoutFee, getTransactionFee

Methods inherited from class edu.cuny.cat.market.AuctioneerPolicy

getAuctioneer, initialize, setAuctioneer

Methods inherited from class java.lang.Object

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

Field Detail

P_EXPLOIT_RATIO

public static final java.lang.String P_EXPLOIT_RATIO

See Also:

Constant Field Values

P_CUT_RATIO

public static final java.lang.String P_CUT_RATIO

See Also:

Constant Field Values

P_DEF_BASE

public static final java.lang.String P_DEF_BASE

See Also:

Constant Field Values

DEFAULT_EXPLOIT_RATIO

public static final double DEFAULT_EXPLOIT_RATIO

See Also:

Constant Field Values

DEFAULT_CUT_RATIO

public static final double DEFAULT_CUT_RATIO

See Also:

Constant Field Values

exploitRatio

protected double exploitRatio

cutRatio

protected double cutRatio

minFees

protected double[] minFees

maxFees

protected double[] maxFees

numberOfTradersRegisteredToday

protected int numberOfTradersRegisteredToday

totalNumberOfTraders

protected int totalNumberOfTraders

toLureTrader

protected boolean toLureTrader

Constructor Detail

BaitAndSwitchChargingPolicy

public BaitAndSwitchChargingPolicy()

Method Detail

setup

public void setup(edu.cuny.config.param.ParameterDatabase parameters,
                  edu.cuny.config.param.Parameter base)

Specified by:

setup in interface edu.cuny.config.param.Parameterizable

Overrides:

setup in class AuctioneerPolicy

reset

public void reset()

Description copied from class: AuctioneerPolicy

resets the state to be the same as the policy is created and initialized.

Specified by:

reset in interface edu.cuny.obj.Resetable

Overrides:

reset in class AuctioneerPolicy

eventOccurred

public void eventOccurred(AuctionEvent event)

Specified by:

eventOccurred in interface AuctionEventListener

Overrides:

eventOccurred in class AuctioneerPolicy

updateTraderRegistration

protected void updateTraderRegistration(RegisteredTradersAnnouncedEvent event)

updateExploitStatus

protected void updateExploitStatus()

updateMinAndMaxFees

protected void updateMinAndMaxFees(FeesAnnouncedEvent event)

updateFees

protected void updateFees()

toString

public java.lang.String toString()

Overrides:

toString in class ChargingPolicy