Filtered Social Learning
AbstractKnowledge sharing is economically important but also typically incomplete: we “filter” our communication. This paper analyzes the consequences of filtering. In the model, homogeneous agents share knowledge with their peers whenever the private benefits exceed communication costs. The welfare implications of this transmission mechanism hinge on whether units of knowledge complement, substitute for, or are independent of each other. Both substitutability and complementarity generate externalities; cheaper communication eliminates externalities in the former case but not necessarily in the latter. Complementary basic skills such as numeracy catalyze technology adoption, and adoption may be path dependent even when payoffs are certain and independent across agents.
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Bibliographic InfoArticle provided by University of Chicago Press in its journal Journal of Political Economy.
Volume (Year): 119 (2011)
Issue (Month): 4 ()
Pages: 686 - 720
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- Rema Hanna & Sendhil Mullainathan & Joshua Schwartzstein, 2012.
"Learning Through Noticing: Theory and Experimental Evidence in Farming,"
NBER Working Papers
18401, National Bureau of Economic Research, Inc.
- Hanna, Rema & Mullainathan, Sendhil & Schwartzstein, Joshua, 2012. "Learning through Noticing: Theory and Experimental Evidence in Farming," Working Paper Series rwp12-044, Harvard University, John F. Kennedy School of Government.
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