Zipf's law is a well-known empirical regularity of firm size distribution. To date, it remains a puzzle as to what is the identity of the firms that causes this regularity. We document the multi-plant firm origin of Zipf's law - plants of multi-plant fi rms (exponent close to one) are more...

How does market structure and the presence of intermediaries impact the cropping pattern and agricultural trade within a country? The difference between farm-gate and consumer prices implies large intra-national trade costs but it is difficult to know the contribution of intermediary margins to...