The process of industrialization was accompanied by the switch from household production to firm production. The industrialization process was also a process of population growth, the appearance of general-purpose technologies, and the expansion of international trade. This paper studies the partition of production between households and firms in an analytically tractable general equilibrium model with a continuum of goods. We show that population growth, development of general-purpose technologies, and the opening of international trade increase the percentage of goods produced by firms. However, with the appearance of a technology biased toward home production, the percentage of goods produced by households can increase