Apsychology professor offers extra credit in a course if students volunteer to participate in his study. there is no opportunity for students who do not volunteer for this particular study to earn the extra credit. is this ethical or unethical?

a. ethical
b. unethical

Sam and ben have discovered some strange animals living in the woods behind their house. ben is excited because he believes they are marsupials, an animal he's never observed in the wild before. his brother is sure it is not. what feature should the boys consider in deciding whether the animals are marsupials?

1. the responsibilities of the u. s. federal reserve system include overseeing the banking system and regulating the quantity of money in the economy setting the level of real interest rates working with congress to devise a financial plan for the country and execute the president's orders calculating and reporting the unemployment rate 2. to increase the supply of money when the economy is weak, the fed closes banks reduces inflation sells bonds buys bonds 3. the federal funds rate is the short-term interest rate that banks charge their best customers when borrowing banks earn on savings accounts with the fed banks charge each other when borrowing or lending to each other the fed charges banks when borrowing 4. when the fed increases the money supply and consequently lowers interest rates, the value of the dollar will rise by more in the market for foreign exchange, all else equal will fall, all else equal is not impacted by fed policy will rise, all else equal

Which of the following is considered a push factory a. available jobs b. unfair treatment c. religious freedom d. affordable land