Tariff revenue is an important source of operating revenue for many governments of high income countries

A researcher claims that the slow economic growth of countries located in Africa can be attributed to the geography hypothesis. If the researcher is correct, it implies that economic growth of countries in Africa is greatly affected by:

A) institutional factors such as the availability of credit and finance. B) natural factors such as climate and quality of soil available. C) cultural factors such as work nature of indigenous residents. D) religious factors.

The Congressional Budget Office estimates that the Patient Protection and Affordable Care Act (ACA) will increase government spending

A) by more than the additional taxes and fees enacted under the law will bring in. B) by less than $50 billion over the next decade. C) by about $2 trillion over 10 years. D) by more than $20 trillion dollars over the next 5 years.