Which of the following is not a reason for differences in total factor productivity across countries?

A) Differences in the size of population.
B) learning by doing.
C) barriers to the adoption of new technology.
D) inefficient allocation of factors of production across firms in some countries.

A

Economics

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The labor force in the United States is defined as the adult population who are either employed or unemployed

a. True b. False Indicate whether the statement is true or false

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John only works in the summer between semesters. What type of unemployment is he experiencing?

a. Frictional b. Seasonal c. Structural d. Cyclical

Economics