Search Results - subject:"Common Knowledge"

The difference between common knowledge of formulas and sets

Simon, Robert Samuel - In: International Journal of Game Theory 28 (1999) 3, pp. 367-384

Common knowledge can be defined in at least two ways: syntactically as the common knowledge of a set of formulas or … held in common knowledge, there is either only one member or uncountably many members of the meet partition with this … subset of formulas held in common knowledge. If there are at least two agents, there are uncountably many members of the meet …

Persistent link: https://www.econbiz.de/10005375556

Interactive epistemology I: Knowledge

Aumann, Robert J. - In: International Journal of Game Theory 28 (1999) 3, pp. 263-300

Formal Interactive Epistemology deals with the logic of knowledge and belief when there is more than one agent or "player." One is interested not only in each person's knowledge about substantive matters, but also in his knowledge about the others' knowledge. This paper examines two parallel...

Persistent link: https://www.econbiz.de/10005375703

The hierarchical approach to modeling knowledge and common knowledge

Geanakoplos, John; (**), Moshe Y. Vardi; Halpern, Joseph Y. - In: International Journal of Game Theory 28 (1999) 3, pp. 331-365

One approach to representing knowledge or belief of agents, used by economists and computer scientists, involves an infinite hierarchy of beliefs. Such a hierarchy consists of an agent's beliefs about the state of the world, his beliefs about other agents' beliefs about the world, his beliefs...

Persistent link: https://www.econbiz.de/10005598431

Approximate common knowledge revisited

Morris, Stephen - In: International Journal of Game Theory 28 (1999) 3, pp. 385-408

Suppose we replace "knowledge" by "belief with probability p" in standard definitions of common knowledge. Very … different notions arise depending on the exact definition of common knowledge used in the substitution. This paper demonstrates …

Persistent link: https://www.econbiz.de/10005755737

How canonical is the canonical model? A comment on Aumann's interactive epistemology

Heifetz, Aviad - In: International Journal of Game Theory 28 (1999) 3, pp. 435-442

, assuming a set of partitions on this space is "common knowledge" is an informal but meaningful meta-assumption. …

Persistent link: https://www.econbiz.de/10005155745

A Theory of the Onset of Currency Attacks

Morris, Stephen; Shin, Hyun Song - C.E.P.R. Discussion Papers - 1998

The swiftness and devastating impact of recent financial crises have taken many market participants by surprise and pose challenges for economists seeking a theory of the onset of a crisis. We propose such a theory based on two features. The actions of diverse economic actors which undermine the...

Persistent link: https://www.econbiz.de/10005661792