In this paper we estimate the effects of children and the differential effects of sons and daughters on men's labor supply and hourly wage rates. The responses to fatherhood of two cohorts of men from the PSID sample--men born in and before 1950 and men born after 1950--are examined separately, and we use fixed effects estimation to control for unobserved heterogeneity. We find that fatherhood significantly increases the hourly wage rates and annual hours of work for men from both cohorts, and that it is important to allow for heterogeneity and non-linearity in estimating these effects. Most notably, men's labor supply and wage rates increase significantly more in response to the births of sons than to the births of daughters.

Child Labor in City Streets is a book by Edward N. Clopper. It examines and discusses a neglected form of child labor in 20th century America, namely newsboys, bootblacks and peddlers that were common at the time in major cities.

Reviews the history of the movement to protect children's rights and abolish the harsh conditions of child labor in the United States.

At the close of the 19th century, more than 2 million American children under age 16--some as young as 4 or 5--were employed on farms, in mills, canneries, factories, mines and offices, or selling newspapers and fruits and vegetables on the streets. The crusaders of the Progressive Era believed child labor was an evil that maimed the children, exploited the poor and suppressed adult wages. The child should be in school till age 16, they demanded, in order to become a good citizen. The battle for and against child labor was fought in the press as well as state and federal legislatures. Several federal efforts to ban child labor were struck down by the Supreme Court and an attempt to amend the Constitution to ban child labor failed to gain enough support. It took the Great Depression and New Deal legislation to pass the Fair Labor Standards Act of 1938 (and receive the support of the Supreme Court). This history of American child labor details the extent to which children worked in various industries, the debate over health and social effects, and the long battle with agricultural and industrial interests to curtail the practice.