5. Consumers subconsciously screen out stimuli that they find psychologically threatening, even though exposure has already taken place. This is consistent with the perception factor of . Perceptual blocking. Selective exposure. Perceptual organization. Selective attention. Perceptual defense.

Suppose the number of firms you compete with has recently increased. you estimated that as a result of the increased competition, the demand elasticity has increased from –2 to –3 (i. e., you face more elastic demand). you are currently charging $10 for your product. what is the price that you should charge if demand elasticity is -3?

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.

Martha entered into a contract with terry, an art dealer. according to the contract, terry was to supply 18 th century artifacts to martha for the play she was directing, and martha was ready to pay $50,000 for this. another director needed the same artifacts and was ready to pay $60,000. terry decided not to sell the artifacts to martha. in this case, the court may order terry to: