Derivatives are securities that derive their values from the values of underlying investments

In a 2007 New York Times article Paul Krugman wrote that

a. the infant-industry argument works well as an argument in favor of protection for the U.S. steel industry. b. the negative effects of third world exports on U.S. wages may be increasing. c. there are social gains to the U.S. from free trade. d. high wage countries account for a growing share of U.S. imports of manufactured goods.

In the early 1920s U.S. consumer prices fell, while Germany experienced hyperinflation. According to the ideas of shoeleather costs and menu costs, U.S. households (relative to German households) made _____ frequent trips to the bank and U.S. firms changed prices _____ frequently

Fill in the blank(s) with correct word