We contribute to scholarly understanding of lawn fertilization behavior by formulating and testing models of fertilization and fertilization frequency that incorporate a wide range of human and structural influences. Specifically, we explore the impact of (a) structural/environmental aspects, (b) sociodemographics, and (c) attitudes and beliefs (informal norms, knowledge, environmental concerns, yard motivations, perceived ability regarding fertilization practices). We use survey data from a sample of 942 residents within the Minneapolis/Saint Paul, Minnesota metropolitan area. Our results indicate that fertilization is not driven by one overriding factor but by a combination of factors. Specifically, we show significant effects from a range of structural aspects (lot size, location, use of a professional lawn service), sociodemographics (home value), norms (perceived neighbor effects), knowledge (perceived positive/negative aspects of fertilization), and perceived ability. We also explore the urban/suburban divide and show higher fertilization stemming from suburban households.

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The notion of a Chinese popularity function may seem surprising, given its authoritarian nature. However, exploring the possibility of indirect popularity functions in nondemocratic systems, we articulate a model of national government support in China. The model argues that sociodemographics, political attitudes, and performance issues mold central government satisfaction. Drawing on a countrywide 2008 public opinion survey, we conclude that regional differences, national trust, and local policy success are of special importance in shaping national government support. The findings, which exhibit theoretical and statistical appeal, lay the groundwork for further investigation of popularity functions in China.