@unpublished{laskar:hal-00811923, TITLE = {{Ambiguity, Pessimism, Optimism and Financial Crises in a Simple Global Game Model}}, AUTHOR = {Laskar, Daniel}, URL = {https://pjse.hal.science/hal-00811923}, NOTE = {working paper or preprint}, HAL_LOCAL_REFERENCE = {PSE Working Papers n{\textdegree}2013-07}, YEAR = {2013}, MONTH = Apr, KEYWORDS = {Persistence ; Global game ; Financial crises ; Ambiguity ; Optimism ; Pessimism ; Market sentiment~ ; Coordination}, PDF = {https://pjse.hal.science/hal-00811923/file/wp201307.pdf}, HAL_ID = {hal-00811923}, HAL_VERSION = {v1}, }