The country of Econoland produces two goods:textbooks and widgets. Last year, it
produced at a point inside its production possibilities frontier and currently it is operating at a point on the (same) production possibilities frontier. Which statement best explains the change?
a) Econoland was originally experiencing unemployment but is now employing all its resources.
b )Econoland experienced an improvement in widget-making technology.
c Econoland acquired more resources.
d Econoland experienced a high level of emigration out of the country.