Adoption Curves and Social Interactions
研究了完美预见采纳者环境中社会影响对采纳决策的可观测影响,提出社会影响可导致无条件采纳曲线的不连续性和条件采纳曲线的模式反转,这些特征可作为社会影响的证据。
This paper considers the observational implications of social influences on adoption decisions for an environment of perfect foresight adopters. We argue that social influences can produce two observable effects: (1) discontinuities in unconditional adoption curves and (2) pattern reversals in conditional adoption curves, in which earlier adoption is found for one group of actors versus another when fundamentals suggest the reverse ordering should occur; in turn the presence of either of these features can, under weak assumptions, be interpreted as evidence of social influences. As such, these properties are robust implications of social effects.