When prices of different goods are increasing by different amounts?

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

John is a journalist he went to a product demonstration for a new computer some of what he heard was informative while the rest was meant to persuade consumers to buy the product which two statements in the excerpt are persuasive rather than informative

Which phase describes the income effect