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This study exploits the staggered adoption of the inevitable disclosure doctrine (IDD) by U.S. state courts as an exogenous shock that generates variations in the proprietary costs of disclosure. We find that firms respond to IDD adoption by reducing the level of disclosure regarding their customers' identities, supporting the proprietary cost hypothesis. Our results are stronger for firms in industries with a higher degree of entry threats, for firms in more volatile industries, and for firms with a lower degree of external financing dependence. Overall, this study represents one of the first efforts in identifying the causal effect of proprietary costs of disclosure on the supply of disclosure. JEL codes: D82; D83; K11; L1; M41

Cancer is now the leading cause of death in China. Effective communication about cancer risk and prevention is an important component of cancer control. Yet, research in this area is very limited in China. This study used probability sample survey data from 2 Chinese cities (Beijing and Hefei, Anhui Province) to investigate potential predictors of self-initiated cancer information seeking. Analysis showed that cancer information seekers in China were likely to be married, relatively educated, earning modest incomes, living in rural areas, smoking occasionally, having a family cancer history, relatively trusting of the media for health information, somewhat knowledgeable about cancer, having nonfatalistic attitudes about cancer, and seeing a personal need for more cancer information. The pattern of results, particularly the lack of influence of personal health and risk perception factors, highlights the possibility that seeking for others might be more prevalent than seeking for self in China. Overall, findings suggest that emphasizing family need and mobilizing family support might be a productive approach to cancer communication interventions in China.

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