Which of the following is a tax whose yield keeps pace with, or perhaps exceeds, the pace of economic growth or inflation?

Whenever we increase control, we

A) prevent generalization. B) increase the sample size. C) rule out alternative explanations of the obtained results. D) include alternative explanations of the obtained results.

Those with a high-technology perspective assert that

a. clean technology is a misnomer and foolish to pursue. b. there is money to be made cleaning the environment. c. the public concern for so-called ‘green technology' slows real ecological progress. d. genetically created crops are a danger to the environment. e. All of the above are correct.