Hughes and Cain (2011)give some credit to which of the following factors for the 1860-1910 increase in the number of people employed,shorter work days and higher real incomes?

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Hughes and Cain credit the increase in employment, shorter work days, and higher real incomes to mechanical power and capital accumulation, which allowed for labor productivity to increase. Option A is incorrect, as a decrease in the number of immigrants would not necessarily lead to an increase in employment, shorter work days, or higher real incomes. Option B is also incorrect, as a closed economy would limit access to resources and potential markets for goods and services, which could impede economic growth. Option D is incorrect, as only option C is cited as the contributing factor.

Hughes and Cain (2011)give Some Credit to Which of the Following