What is the greatest risk of excavations

Uppose the book-printing industry is competitive and begins in a long-run equilibrium. then hi-tech printing company invents a new process that sharply reduces the cost of printing books. suppose hi-tech's patent prevents other firms from using the new technology. which of the following statements are true about what happens in the short run? check all that apply. hi-tech's average-total-cost curve shifts downward. hi-tech's profits increase. the price of books remains the same. hi-tech's marginal-cost curve remains the same.

Summarize the specific methods used by interest groups in order to influence governmental decisions making in all three branches of government. provide at least two examples from each branch.

John has been working as a tutor for $300 a semester. when the university raises the price it pays tutors to $400, jasmine enters the market and begins tutoring as well. how much does producer surplus rise as a result of this price increase?