@techreport{oai:grips.repo.nii.ac.jp:00001343, author = {MARUYAMA, Akiko}, note = {Revised to: November, 2018 [18-15] http://id.nii.ac.jp/1295/00001645/, This study analyzes a two-sided search model in which agents are vertically heterogeneous and agents on one side do not know their own type. Agents with imperfect self-knowledge update their beliefs based on the offers or rejections they receive from others. The results presented in this paper are as follows. An agent with imperfect self-knowledge lowers his or her reservation level if the agent receives a rejection that leads him or her to revise belief downward. However, an agent with imperfect self-knowledge does not raise his or her reservation level even if the agent receives an offer that leads to revise his or her belief upward. As a result, an agent with imperfect self-knowledge has the highest reservation level when he or she has just entered the market, and then a series of meetings gradually lowers his or her reservation level through the duration of the search., JEL Classification Codes: D82, D83, J12}, title = {One-sided learning about one's own type in a two-sided search model} }