Chrono24 hosts a marketplace for used watches. The site has 100 potential buyers of a used Rolex and 100 potential sellers. Buyers value a valid used Rolex at $2000, and value knock-off used Rolexes at $500. There are 3 types of sellers: 20 of them are selling knock-off Rolexes and will sell at any price above $300, 40 of them are selling valid used Rolexes and will sell at any price above $1300, and 40 of them are selling valid Rolexes and will sell at any price above $1800. Buyers cannot differentiate between sellers of valid used Rolexes and sellers of knock-offs. If potential sellers only offer their watches for sale if the price is above their value of the watch, then at what price will the market for used watches stabilize

Astock is selling today for $50 per share. at the end of the year, it pays a dividend of $3 per share and sells for $58. a. what is the total rate of return on the stock? (enter your answer as a whole percent.) b. what are the dividend yield and percentage capital gain? (enter your answers as a whole percent.) c. now suppose the year-end stock price after the dividend is paid is $42. what are the dividend yield and percentage capital gain in this case? (negative amounts should be indicated by a minus sign. enter your answers as a whole percent.)

Ajustification for job training programs is that they improve worker productivity. suppose that you are asked to evaluate whether more job training makes workers more productive. however, rather than having data on individual workers, you have access to data on manufacturing firms in ohio. in particu- lar, for each firm, you have information on hours of job training per worker (training) and number of nondefective items produced per worker hour (output). (i) carefully state the ceteris paribus thought experiment underlying this policy question. (ii) does it seem likely that a firm’s decision to train its workers will be independent of worker characteristics? what are some of those measurable and unmeasurable worker characteristics? (iii) name a factor other than worker characteristics that can affect worker productivity. (iv) if you find a positive correlation between output and training, would you have convincingly established that job training makes workers more productive? explain.

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