The U.S. federal government collects about one-half of the taxes in our economy

If the goods' money prices do not change, an appreciation of the dollar against the pound

A) makes British sweaters cheaper in terms of American jeans. B) makes British sweaters more expensive in terms of American jeans. C) doesn't change the relative price of sweaters and jeans. D) makes American jeans cheaper in terms of British sweaters. E) makes British jeans more expensive in Britain.

An economy of 82 million people has twenty percent of them engaged in research and development, where their productivity is 0.003

The economy is on a balanced growth path, when suddenly the productiveness of R&D rises to 0.004. For the one period that begins with this productivity increase, the growth rate of output is ________. [Refer to the instruction above.] A) 8.7% B) 9.4% C) 6.6% D) 7%