Re: [PEN-L] PD simplified

2007-08-08 Thread ann li
I will continue to pick at nits here and suggest that there may be a relative (and more importantly, uncertain) autonomy between everyday rationality and formal rationality as Oaksford Chater discuss in Bayesian Rationality (2007). This limits but does not negate the effectiveness of

Re: [PEN-L] PD simplified

2007-08-08 Thread Jim Devine
On 8/7/07, ken hanly [EMAIL PROTECTED] wrote: Yes. It is assumed that each player knows the payoff to each player for each of the four possible combination of choices. It is also assumed that the players are both rational in that they want to minimize their time spent in jail. There is no

Re: [PEN-L] PD simplified

2007-08-07 Thread Jim Devine
ken hanly wrote: It is not that some definition of rational is contradictory it is that the traditional solution of the dilemma is not rational according to the standard definition because it does not lead to the least time served for the players. if you are an individualistic prisoner (thinking

Re: [PEN-L] PD simplified

2007-08-07 Thread Gassler Robert
I like to point out the difference between rationality and selfishness, which is more often than not conflated in most economic discussions. It is possible to be rational and nonselfish. ken hanly wrote: It is not that some definition of rational is contradictory it is that the traditional

Re: [PEN-L] PD simplified

2007-08-07 Thread Jim Devine
On 8/7/07, Gassler Robert [EMAIL PROTECTED] wrote: I like to point out the difference between rationality and selfishness, which is more often than not conflated in most economic discussions. It is possible to be rational and nonselfish. to economists, as far as I can tell, rationality

Re: [PEN-L] PD simplified

2007-08-07 Thread Michael Perelman
Isn't rationality far more limited than you suggest? Isn't it rational to cut down forests or to destroy the ocean if the present value of the expected benefits exceeds the present value of the expected costs? On Tue, Aug 07, 2007 at 08:35:58AM -0700, Jim Devine wrote: On 8/7/07, Gassler

Re: [PEN-L] PD simplified

2007-08-07 Thread Jim Devine
I had written: to economists, as far as I can tell, rationality simply means consistency. But I used the word individualistic. That's another word that's ambiguous without definition, but I meant greedy. Michael Perelman wrote: Isn't rationality far more limited than you suggest? Isn't

Re: [PEN-L] PD simplified

2007-08-07 Thread Shane Mage
Michael Perelman wrote: Isn't rationality far more limited than you suggest? Isn't it rational to cut down forests or to destroy the ocean if the present value of the expected benefits exceeds the present value of the expected costs? Economic Rationality thus defined is, in practice,

Re: [PEN-L] PD simplified

2007-08-07 Thread ken hanly
Yes. It is assumed that each player knows the payoff to each player for each of the four possible combination of choices. It is also assumed that the players are both rational in that they want to minimize their time spent in jail. There is no need to communicate with the other person. There is

[PEN-L] PD simplified

2007-08-06 Thread ken hanly
The Game Tucker began with a little story, like this: two burglars, Bob and Al, are captured near the scene of a burglary and are given the third degree separately by the police. Each has to choose whether or not to confess and implicate the other. If neither man confesses, then both will serve