The London gold fixing is an example of a(n)

Michigan Radio is the state's most listened-to public radio service, attracting approximately 400,000 listeners each week. The on-air fundraiser, which ran during October 2010, generated over 7400 pledges from donors

The money raised helps pay for programming costs at the station, with membership support being the single largest source of income. The 392,600 listeners who did not call and donate can be classified as what? A) free riders B) marginal beneficiaries C) rival consumers D) rationally ignorant

You purchased two stocks that are perfectly negatively correlated

A) Your portfolio is well diversified, so you should face no risk whatsoever. B) Even though you diversified the idiosyncratic risk away, your portfolio is still affected by systemic risks like a stock market crash. C) Even though you diversified the systemic risk away, your portfolio is still affected by idiosyncratic risks like a stock market crash. D) Your portfolio is not diversified; thus you face no systemic risk.