Category Archives: Games

Chess can be a Game of Luck

Can chess be a game of luck? Let us consider the following two scenarios: A) We have a chess tournament where each of forty chess players pay 50 dollars entrance fee and the winner takes the prize which is 80% … Continue reading

Posted in Controversies and debates, Economics, Games, Law, Probability, Rationality | Tagged , , , , , | 43 Comments

Social Choice Talk

I took part in a workshop celebrating the publication of a new book on Social Choice by Shmuel Nitzan which took place at the Open University. (The book is in Hebrew, and an English version is forthcoming from Cambridge University Press.) … Continue reading

Posted in Economics, Games, Rationality | Tagged , , , | 3 Comments

Do Politicians Act Rationally?

Well, I wrote an article (in Hebrew) about it in the Newspaper Haaretz. An English translation appeared in the English edition. Here is an appetizer: During World War II, many fighter planes returned from bombing missions in Japan full of bullet holes. The … Continue reading

Posted in Games, Rationality | Tagged , , , , | 4 Comments

Which Coalition to Form (2)?

Yair Tauman (This post is a continuation of this previous post.) Aumann and Myerson proposed that if political and ideological matters are put aside, the party forming the coalition would (or should) prefer to form the coalition in which its own power (according … Continue reading

Posted in Games, Rationality | Tagged | 4 Comments

Which Coalition?

The problem. OK, we had an election and have a new parliament with 120 members. The president has asked the leader of one party to form a coalition. (This has not happened yet in the Israeli election but it will happen soon.) Such … Continue reading

Posted in Games, Rationality | Tagged | 4 Comments

The Hex-Voting-Rule (Not Recommended)

Blue wins – if there is a right to left continuous path of blue regions Red wins – if there is north to south continuous path of red regions (A region is red or blue according to the majority of … Continue reading

Posted in Economics, Games | 13 Comments

The Retaliation Game

  We have two players playing in turns. Each player can decide to stop in which case the game is stopped and the two players can go on with their lives, or to act. The player that acts gains and … Continue reading

Posted in Games, Rationality | Tagged , , | 13 Comments

The Prisoner’s Dilemma, Sympathy, and Yaari’s Challenge

Correlation and Cooperation In our spring school devoted to Arrow’s economics, Menahem Yaari gave a talk  entitled “correlation and cooperation.” It was about games as a model of people’s behavior, and Yaari made the following points: It is an empirical fact … Continue reading

Posted in Economics, Games, Philosophy, Rationality | Tagged , , | 2 Comments

Amir Ban on Deep Junior

Ladies and Gentelmen: Amir Ban (right, in the picture above) the guest blogger, was an Israeli Olympiad math champion in the early 70s, with Shay Bushinsky he wrote Deep Junior, and he is also one of the inventors of the “disc on … Continue reading

Posted in Games, Guest blogger | Tagged , , , | 14 Comments