We document three remarkable features of the Opower program, in which social comparison-based home energy reports are repeatedly mailed to more than six million households nationwide. First, initial reports cause high-frequency "action and backsliding," but these cycles attenuate over time....

This paper presents three initial stylized facts from the Vehicle Ownership and Alternatives Survey (VOAS), a nationally representative survey that elicits consumers' beliefs about gasoline prices and the relative energy costs of autos with different fuel economy ratings. First, American...