An article in the New York Times notes that​ "rising bond yields can ... signal the threat of​ inflation." ​Source: Nelson D.​ Schwartz, "Surprise Increase in Rates Is Credited to Signs of​ Recovery," New York Times​, March​ 18, 2012. If investors expect inflation to be​ higher: A. the yields on bonds will rise because investors will demand more bonds at the current interest rates causing the price of bonds to increase. B. the yields on bonds will fall because the price of bonds will fall due to the higher level of inflation. C. the yields on bonds will rise because investors will need a higher rate of return on the bonds they are purchasing. D. the yields on bonds will fall because the higher inflation rate will reduce the real interest earned on the bonds and causing the yields to decrease.

"in the electricity industry, low average total costs are obtained only through large-scale production. in other words, the initial cost of setting up all the necessary wiring makes it risky and, most likely, unprofitable for competitors to enter the market. throughout much of the 20th century, many people viewed south africa’s de beers group as a monopoly because it controlled a large percentage of diamond production and sales. patents are granted to inventors of a product or process for a certain number of years. the reason for this is to encourage innovation in the economy. without the existence of patents, it is argued, research and development for improved electronics is unlikely to take place, since there’s nothing preventing another firm from stealing the idea, copying the product, and producing it without incurring the devel opment costs."which of the following best explains the barriers to entry that exist in this scenario? increasing returns to scale legal barriers exclusive ownership of a necessary resource