Distance and location are the important determinants of many choices that economists study. Economists often rely on information about these variables that is self-reported by respondents in surveys, although information can sometimes be obtained from secondary sources. Self-reports are...

The Dynamic Radiation Environment Assimilation Model (DREAM) was developed at Los Alamos National Laboratory to assess, quantify, and predict the hazards from the natural space environment and the anthropogenic environment produced by high altitude nuclear explosions (HANE). DREAM was initially...