I use U.S. patent data from 1970 to 1994 to estimate the effect of energy prices on energy-efficient innovations. Using …-side factors, such as scientific advancements that make new innovations possible. I find that both energy prices and the quality of …

We estimate an aggregate production function with constant elasticity of substitution between energy and a capital …/labor composite using U.S. data. The implied measure of energy-saving technical change appears to respond strongly to the oil … suggestive of a model of directed technical change, with low short-run substitutability between energy and capital/labor but …

worrisome because psychology research shows that baby-faced-looking people often possess qualities opposite to those projected …

paper, we examine demand for health information on the Internet. We find that individuals in poor health are more likely … than those in better health to use the Internet to search for health information and to communicate with others about … professionals are more likely to turn to the Internet for health information. Our findings indicate that demand for consumer health …

show that even a simple algorithm can lead to large information efficiency gains relative to the arithmetic average …

; one builds participants' ability to make concrete plans. Both interventions include information on health benefits of … knowledge about chlorination (compared to a group who receive only information), nor affect lab measures of time preferences or …

We estimate the labor market return to an MBA, a JD, and master's in engineering, nursing, education, psychology and …

A number of studies - including our own - find a mid-life dip in well-being. We review a psychology literature that …

complexity of memory measured using Shannon's mutual information, as in models of rational inattention; but our theory differs …