Prove that, in a vickrey (second-price sealed-bid) auction, for any false bid bi by any single bidder (that is, if vi is the bidder's private value for the item, then bi≠vi), there exists a vector b−i of bids by all other bidders such that the false bid gives strictly worse utility than bidding the true valuation, that is, ui(bi, b−i)

Suppose the price of frozen yogurt, a substitute for ice cream, increases. what happens to equilibrium price and quantity of ice cream? a. the price and quantity of ice cream both increase b. the price and quantity of ice cream both decrease c. the price of ice cream increases and the quantity decreases d. the price of ice cream decreases and the quantity increases

Cindy recently played in a softball game in which she misplayed a ground ball for an error. later, in the same game, she made a great catch on a very difficult play. according to the self-serving bias, she would attribute her error to and her good catch to her

1. list five staple convenience goods that you or your household buys on a regular basis. (you do not need to use complete sentences. 2.5 points) 2. list three impulse convenience goods that you or someone you know has purchased. (you do not need to use complete sentences. 2.5 points) 3. describe a shopping good that you or someone you know purchased. what kind of research did you or that person do before buying the product? (1-5 sentences. 3.0 points) 4. choose an example of a company you could start, and decide which business structure would make the most sense for that type of company (sole proprietorship, partnership, llc, c corporation, s corporation, or nonprofit corporation). explain why this structure would be good for this type of company. give at least 3 reasons. (3-6 sentences. 6.0 points) 5. if you were starting a new business, describe at least three departments to the company that you would need right away. why are these departments so important? (1-5 sentences. 3.0 points) 6. describe a product that you think has saturated its market. what makes you think it has saturated its market? (1-5 sentences. 3.0 points)