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α: calibrated so average coauthorship-adjusted count equals average raw count
This article assesses train speeds in England and Wales 1843–1912. Trains were fast compared with coaches or walking, and the social saving of time saved grew over time to become over 10 percent of national income in 1912. Including fare savings as well, social savings were 14 percent of national income in 1912, with consumer surplus of 6 percent. Time savings dominated fare savings once railways became a new good: travel for the masses. Using the social savings-total factor productivity identity, we show that railways accounted for around a sixth of economy-wide productivity growth in this era.