popularity. Information externalities render the chosen set smaller than socially optimal. This rationalizes antitrust policies …

Ethics in social science experimentation and data collection are often discussed but rarely articulated in writing as … review boards, most recognize that such boards are not comprehensive ethical assessments. We propose a structured ethics … explicitly in appendices of papers, even if briefly, will serve two purposes: more complete communication of ethics can improve …

-seeking preferences"). First, the willingness to pay for a stock is a linear function of corporate externalities, and is symmetric for … positive or negative externalities. Second, whether charity transfers are contingent or independent on investors buying the … firms' externalities only accrue through stock ownership, not through the actual impact of investment decisions. Finally …