Suppose a competitive market has a downward-sloping demand curve and a horizontal supply curve. if the supply curve shifts downward, equilibrium price will equilibrium quantity will consumer surplus will and producer surplus will

Google started as one of many internet search engines, amazon started as an online book seller, and ebay began as a site where people could sell used personal items in auctions. these firms have grown to be so large and dominant that they are facing antitrust scrutiny from competition regulators in the us and elsewhere. did these online giants grow by fairly beating competition, or did they use unfair advantages? are there any clouds on the horizon for these firms -- could they face diseconomies of scale or diseconomies of scope as they continue to grow? if so, what factors may limit their continued growth?

Amanager of a store that sells and installs spas wants to prepare a forecast for january and june of next year. her forecasts are a combination of trend and seasonality. she uses the following equation to estimate the trend component of monthly demand: ft = 30+5t, where t = 1 in january of this year. seasonal relatives are 0.60 for january and 1.50 for june. what demands should she predict for january and june of next year

If big macs were a durable good that could be costlessly transported between countries, which of the following would present an arbitrage opportunity? check all that apply. exporting big macs from argentina to the united states. exporting big macs from the united kingdom to poland. exporting big macs from switzerland to china