Preface -- Introduction: of ruling classes and underclasses : the laws of social mobility -- Social mobility by time and place -- Sweden : mobility achieved? -- The United States : land of opportunity -- Medieval England : mobility in the feudal age -- Modern England : the deep roots of the...

Exports and the economy of the lower south region, 1720-1770 / Peter C. Mancall, Joshua L. Rosenbloom, and Thomas Weiss -- Quarterly data on the categories and causes of bank distress during the Great Depression, 1929-1933 / Gary Richardson -- On English pygmies and giants : the physical stature...

Introduction / Alexander J. Field -- A Soviet quasi-market for inventions : jet propulsion, 1932-1946 / Mark Harrison -- Network quality in the early telegraph industry / Tomas Nonnenmacher -- The Spanish infrastructure stock, 18441935 / Alfonso Herranz-Lonc(c)Øan -- Have American workers...

Introduction / Alexander J. Field -- From foraging to farming : the so-called "neolithic revolution" / Frederic L. Pryor -- The growth of world agricultural production, 1800-1938 / Giovanni Federico -- The Great Depression as a credit boom gone wrong / Barry Eichengreen, Kris J. Mitchener -- The...

Introduction / Alexander J. Field -- Social-overhead construction in Italys regions, 1861-1913 / Carlo Ciccarelli Stefano Fenoaltea -- Bilateral trade flows in Europe, 1857-1875 : a new dataset / Markus Lampe -- Gender, health and welfare in England and Wales since industrialisation / Bernard...

Technological breakthroughs and productivity growth / Harald Edquist, Magnus Henrekson -- New national bank loan rate estimates, 1887-1975 / Scott A. Redenius -- The net effect of railroads on stature in the postbellum period / Ebru Guven Solakoglu -- Growth in a protected environment :...

Volume 21 of Research in Economic History is a substantial contribution in several respects. Its heft reflects the continuing increase in quality submissions to this series, which invites (although it does not require) authors to take advantage of less stringent space limitations than is...