arising from common shocks and network effects. Using monthly grain prices for 1740-1820 our analysis uncovers a secular …

-competitive regulations on farmers' welfare. Tightening revenuesharing rules to increase farm-gate prices, increases farmers' welfare on … average but makes many worse off. Similarly, banning vertical integration raises farm-gate prices but harms most farmers by … enhance efficiency and farmers' welfare. We develop a structural model of agricultural value chains and estimate it using rich …

We study the dual relationship between market structure and prices and between market structure and investment in … mobile telecommunications. Using a uniquely constructed panel of mobile operators’ prices and accounting information across … 33 OECD countries between 2002 and 2014, we document that more concentrated markets lead to higher end user prices …

Prices, and reduces price volatility. Our findings are important for emission trading schemes worldwide, such as California …

firms' revenue, quantity and prices to estimate TFP and TFP-R and decompose the latter into various elements. Our analysis … suggests that the revenue productivity advantage of denser areas is mainly driven by higher prices charged rather than …, despite higher prices. These and other results we document suggest that firms in denser areas are able to charge higher prices …

framework and firm-level prices and quantities data for detailed products allowing us to both measure demand, and its changes …

significantly increased in the municipalities receiving aid. This additional entry decreased average prices. Therefore, the …