How do import prices respond to exchange rate changes, and does this response vary across products or across time? We document two new and related facts: 1. Individual items with high price change variance have greater exchange rate pass-through. 2. During times when the cross-sectional variance...

When the microeconomic adjustment underlying an aggregate variable is lumpy, conventional VAR procedures often imply less persistence than there really is. This is relevant for non-, semi- and structural models in macroeconomics. The extent to which persistence is underestimated decreases with...