January 01, 2009 article Observational learning: Evidence from a randomized natural field experiment The HKU Scholars Hub (University of Hong Kong) DOI: 10.1257/aer.99.3.864 OpenAlex Authors 0 Author list not loaded yet. Cited by 1 stored of 395 Search Sort Most cited Newest Oldest Patent citations Title Any typearticle review book-chapter conference-paper preprint dissertation book dataset other Any fieldAgricultural and Biological Sciences Arts and Humanities Biochemistry, Genetics and Molecular Biology Business, Management and Accounting Chemical Engineering Chemistry Computer Science Decision Sciences Dentistry Earth and Planetary Sciences Economics, Econometrics and Finance Energy Engineering Environmental Science Health Professions Immunology and Microbiology Materials Science Mathematics Medicine Neuroscience Nursing Pharmacology, Toxicology and Pharmaceutics Physics and Astronomy Psychology Social Sciences Veterinary Open access Shifting positive and negative pathways explain the non-linear relationship between visitor density and urban park preference 2026 Urban forestry & urban greening article Environmental Science Urban Green Space and Health 0 citations 1 result References 0