It is absolutely necessary for at least one trader to have money for barter exchange to take place

Data on productivity gains in the 1990s in the United States strongly suggest that a significant share of those gains was attributable to:

A) improvements in education and training. B) improvements in information technology. C) substantial reductions in labor costs. D) increased demand for goods and services.

Production refers to

A) physically producing material goods only. B) any activity carried on by a firm, whether a corporation, partnership, or sole proprietorship. C) any activity that results in the conversion of resources into goods and services that can be consumed. D) any activity that causes a material conversion of manufactured goods.