Which type of externality is likely to result from a consumer's decision to purchase a solar-powered vehicle instead of a gas-powered vehicle, and how does it arise

Answer the following questions with true or false and provide a brief explanation (2- 3 sentences) a) economies of scale in production give rise to multi-product firms. b) ace hardware corporation is an example of economies of scale in production.

Five times the sum of a number and 27 is greater then or equal to six times the of that number and 26. what is the solution set to this proportion?

As a project manager for a large construction company, shaun decided to make the performance appraisal process as painless as possible for his crew. he spent a considerable amount of time creating performance standards he felt were reasonable, and after six months' time, he scheduled individual appointments with each worker to discuss strengths and weaknesses and areas that needed improvement according to the standards he privately set. some employees were sent to vestibule training, and one even got a promotion with additional compensation. what did he fail to do correctly