Economies of scale are a barrier to entry because: a. New entrants face high unit costs either because they enter at sub-optimal scale, or they make a large-scale entry that initially operates with substantial excess capacity. b. New entrants are positioned at the top of their learning curve. c. New entrants face a risk of retaliation from the incumbents whose large scale of operation allows them to flood the market. d. New entrants are uncertain about their future costs which discourages them from making investments.

Hours to produce one unit worker hours to produce yarn country a 8 hours country b 4 hours worker hours to produce fabric counrty a 12 hours country b 13 hours additional worker hours to produce fabric instead of yarn country a ? country b? which of the follow is true of the trade relationship between country a and country b? country a has an absolute advantage in producing yarn and fabric country b has an absolute advantage in producing yarn and fabric country b has a comparative advantage to country a in producing fabric country a has a comparative advantage to country b in producing fabric

Your grandmother told you a dollar doesn't go as far as it used to. she says the purchasing power of a dollar is much lesser than it used to be. explain what she means. try and use and explain terms like inflation and deflation in your answer.

When sending a claim to an insurance company for services provided by the physician, why are both icd-10 and cpt codes required to be submitted? how are these codes dependent upon each other? what would be the result of not submitting both codes on a medical claim to an insurance company?