these incremental bidders at a price below their reserve, with no time to respond. As a consequence, these incremental …

confirm that the cost of intertemporally substituting activities is increasing over time: when alerts are issued on two …, reset these costs. Our findings imply that a time-varying decision rule that accounts for multiple day air quality forecasts …

We develop measures of time-varying risk aversion and economic uncertainty that are calculated from financial variables …

average returns. This rules out typical risk-based explanations and is a challenge to structural models of time …

When economic activity is concentrated over space or over time, it is more efficient. Most production occurs in … thick-market efficiencies that encourage the concentration of activity in certain time periods may be internal to the firm … of the effects. The firm should martial all its forces from time to time in bursts of activity. When thick-market effects …

. The imperfect information is endogenized using a variant of the theory of quot;rational inattentionquot; proposed by Sims …

time-varying weight in new lists, and one can decompose the market return into a fixed weight return plus a timing return …

framework has continuous state variables but discrete time, which we regard as a convenient middle ground between the stochastic … calculus of high theory and the binomial models of classroom fame. In this setting, most of the models we examine are easily …