Immigration policy can have important net fiscal effects that vary by immigrants' skill level. But mainstream methods to estimate these effects are problematic. Methods based on cash-flow accounting offer precision at the cost of bias; methods based on general equilibrium modeling address bias...

From the Publisher: What's the solution to the world's growing energy problem? PERFECT POWER. Electric usage is rising. Fuel costs are rocketing. Blackouts are happening more frequently. Why? Because our electrical power system-built on a vast network of resources including nuclear energy,...