Many consumers care about climate change and other externalities associated with their purchases. We analyze the behavior and market effects of such "socially responsible consumers" in three parts. First, we develop a flexible theoretical framework to study competitive equilibria with rational...

To reduce a negative externality, socially responsible households can invest responsibly (SRI), consume responsibly (SRC), or do both. Which is better? In a closed microeconomic model with intertwined product and capital markets, we analyze how responsible households should use SRI and SRC to...

This study analyzes the stability of preferences through the lens of psychological motives. We report the results of a public goods experiment in which subjects were induced with the motives of Care and Anger through autobiographical recall. Subjects' preferences, beliefs, and perceptions under...

We conducted a field experiment with a charitable group to investigate whether giving the donor an option to write a personal message to the recipient influences giving behavior. Over 1,500 households were approached in a door-to-door campaign and randomized to either a control or a treatment in...

We explore the link between online salience and charitable donations. Using a unique dataset on phone text donations that includes detailed information on the timing of cash gifts to charities, we link donations to time variation in online searches for words that appear in those charities'...