Data underlying journal publications:

“Commodity Price Volatility and World Market Integration since 1700.” (With Kevin H. O’Rourke and Jeffrey G. Williamson)
    Review of Economics and Statistics 93(3), 2011: 800-813.
"Foreign Wars, Domestic Markets: England, 1793-1815."
    European Review of Ecconomic History 15(2), 2011: 277-311.
"Trade Booms, Trade Busts, and Trade Costs." (With C.M. Meissner and D. Novy)
    Journal of International Economics 83(2), 2011: 185-201.
 "Global Trade and the Maritime Transport Revolution." (With K. Pendakur)
    Review of Economics and Statistics 92(4), 2010: 745-755.
 “Trade Costs in the First Wave of Globalization.” (With C.M. Meissner and D. Novy)
    Explorations in Economic History 47(2), 2010: 127-141.
 “On the Death of Distance and Borders: Evidence from the Nineteenth Century.”                   
    Economics Letters 105(3), 2009: 230-233.
 "Stuck on Gold: Real Exchange Rate Volatility and the Rise and Fall of the Gold Standard, 1875-1939." (With N. Chernyshoff and A.M. Taylor)
    Journal of International Economics 77(2), 2009: 195-205.
 "Trade Costs, 1870-2000." (With C.M. Meissner and D. Novy)
    American Economic Review, Papers & Proceedings 98(2), 2008: 529-534.
"Populists versus Theorists: Futures Markets and the Volatility of Prices."   
    Explorations in Economic History 44(2), 2007: 342-362. "Coal and the Industrial Revolution, 1700-1869." (With G. Clark)
    European Review of Economic History 11(1), 2007: 39-72. "New Results on the Tariff-Growth Paradox."
    European Review of Economic History 10(2), 2006: 205-230.
 Monthly wheat prices, 102 American & European cities, 1800-1913
    (please cite the following two papers if used)

"What Drove Nineteenth Century Commodity Market Integration?"
    Explorations in Economic History 43(3), 2006: 383-412.
"Intra- and International Commodity Market Integration in the Atlantic Economy, 1800-1913."
    Explorations in Economic History 42(3), 2005: 381-413.