... increasingprevalence of two-earner households, therefore, could be partially under-writing the expansion of self-employment.Fourth, the increase of self-employment within traditional sectors of the industrial ... way the plausibility of the post-industrial hypothesis by examining the relationship between changes in the sectoral composition of the labor force and self-employment using the same kind of ... Decomposition of decennial rates of change of self-employment,1940±1990. the 1970s and 1980s, the class-shift component is negligible. Second, the expansion of self-employment in the 1980s is entirely the...