6. structural unemployment is sometimes said to result from a mismatch between the job skills that employers want and the job skills that workers have. to explore this idea, consider an economy with two industries: auto manufacturing and aircraft manufacturing.
a. if workers in these two industries require similar amounts of training, and if workers at the beginning of their careers can choose which industry to train for, what would you expect to happen to the wages in these two industries? how long would this process take? explain.
b. suppose that one day the economy opens itself to international trade and, as a result, starts importing autos and exporting aircraft. what would happen to the demand for labor in these two industries?
c. suppose that workers in one industry cannot be quickly retrained for the other. how would these shifts in demand affect equilibrium wages both in the short run and in the long run?
d. if for some reason wages fail to adjust to the new equilibrium levels, what would occur?

1. revising for conciseness - eliminating flabby expressions,limiting long lead-ins, and dropping unnecessary fillerstime is money in any business environment. people want information communicated quickly and clearly. to make your writing more concise and understandable, avoid flabby expressions, long lead-ins, and unnecessary fillers. your audience will appreciate your brevity.1. if your writing contains a flabby expression like in view of the fact that, replace it with the word because / although / probably .for each of the following two sentences, choose the best revision.2. i am sending you this letter to inform you that we have experienced an unexpected surprise within our expense sheet, but we are positively certain we will solve it.1) we need to inform you that we have experienced an unexpected surprise with our expense sheet, but we are midway to an end result.2) we have identified a problem with our expense sheet, but we will solve it.3) i am sending you this letter to inform you that we have a problem with our expense sheet, but we are positively certain we have a solution.3. it is the user who should contact the center.1) everyone knows that it is the user who should contact the center.2) the user should contact the center.3) if there is a problem, the user should contact the center.read the following passage, and then answer the question.[1] you scheduled seven conference calls for this morning between 10 and 11 a.m. [2] generally, the company limits the number of conference calls to three per hour. [3] i’m letting you know that in the future, we should be more careful about scheduling.4. which revision limits the long lead-in in sentence 3? 1) in the future, we should be more careful about scheduling.2) i’m letting you know so that in the future we are more careful about scheduling calls.3) so that you know in the future, we should be more careful about scheduling.