TY - JOUR AU1 - Young, H. Peyton AU2 - TI - Innovation Diffusion in Heterogeneous Populations: Contagion, Social Influence, and Social Learning JF - American Economic Review DO - 10.1257/aer.99.5.1899 DA - 2009-12-01 UR - https://www.deepdyve.com/lp/unpaywall/innovation-diffusion-in-heterogeneous-populations-contagion-social-DO2soh8EaO DP - DeepDyve ER -