Data from the manuscript census of manufacturing are used to estimate the effects of the length of the working day on output and wages. We find that the elasticity of output with respect to daily hours worked was positive but less than one - implying diminishing returns to increases in working...

We use data from the manuscript censuses of manufacturing for 1850, 1860, 1870, and 1880 to study the dispersion of average monthly wages across establishments. We find a marked increased in wage inequality over the period, an increase that cannot be explained by biases in the data or changes in...